Southern Vietnam climate
Before diving into the best time to visit South Vietnam, it’s important to understand its climate and the region itself. South Vietnam is a tropical area known for its consistently warm temperatures, making it a year-round travel destination. This guide focuses on the southern part of the country, including major destinations such as Ho Chi Minh City, the Mekong Delta (Can Tho, Ben Tre, Chau Doc), Phu Quoc, Con Dao, Mui Ne, and Vung Tau. These areas offer a mix of bustling city life, pristine beaches, and lush river landscapes.
Unlike northern and central Vietnam, which experience colder winters or typhoon seasons, South Vietnam has a tropical monsoon climate with two distinct seasons: the dry season and the rainy season. Temperatures remain warm throughout the year, but humidity and rainfall vary depending on the season.
Dry Season (December – April)
The dry season in South Vietnam lasts from December to April and is characterized by warm, sunny days with little to no rain. During these months:
- Temperatures range between 25°C and 35°C (77°F – 95°F), with March and April being the hottest months.
- Humidity is lower, making the weather more comfortable, especially for sightseeing and outdoor activities.
- Skies are mostly clear, providing excellent conditions for beach trips to Phu Quoc, Con Dao, Mui Ne, and Vung Tau.
- Ho Chi Minh City and the Mekong Delta are great for exploring during this period, as streets remain dry, and boat tours run smoothly.
Rainy season (May – November)
The rainy season in South Vietnam lasts from May to November, bringing higher humidity and frequent rain showers. Key characteristics of this season include:
- Temperatures remain warm, usually between 24°C and 32°C (75°F – 90°F).
- Heavy but short-lived downpours occur, often in the afternoon or evening, but they rarely last all day.
- Humidity is high, making the weather feel hotter and more tropical.
- Lush green landscapes in the Mekong Delta and national parks make for stunning scenery.
Best time to visit South Vietnam
The best time to visit South Vietnam is during the dry season, which lasts from December to April. During these months, travelers can enjoy warm, sunny days with little to no rain, making it perfect for exploring cities, beaches, and the Mekong Delta without interruptions from unpredictable weather.
The dry season is the most comfortable time for travel because:
- Rain is minimal, allowing for clear skies and ideal conditions for outdoor activities.
- Humidity is lower, making the heat more manageable compared to the rainy season.
- Beaches in Phu Quoc, Mui Ne, and Con Dao are at their best, with calm waters and sunny days.
- River cruises and boat tours in the Mekong Delta are more enjoyable, as water levels are stable and there is no disruption from heavy rain.
Breakdown of the dry season
- Best months to visit: January & February – These are the most comfortable months, with low humidity, lots of sunshine, and pleasant temperatures ranging between 25°C and 32°C (77°F – 90°F). This is also when the Tet Festival takes place (late January or early February), adding a unique cultural experience.
- Very good months: December & March – December sees the start of the dry season, and the transition into sunny weather makes it an excellent time to visit. March is still dry but slightly hotter, with temperatures beginning to rise.
- Pretty good months: April & late November – April is the hottest month of the year, with temperatures often exceeding 35°C (95°F) in cities like Ho Chi Minh City. However, it’s still dry, making it a good time for beaches and islands. Late November is the transition into the dry season, meaning rainfall decreases significantly, though occasional showers may still occur.
Traveling in South Vietnam during rainy season
While the dry season is the best time to visit South Vietnam, the rainy season, from May to November, still allows for enjoyable travel. However, visitors should expect more humidity, frequent rain showers, and occasional travel disruptions.
The rainy season doesn’t mean constant rain, but rather short, heavy downpours, usually in the afternoon or evening. Despite the rain, most cities, cultural sites, and attractions remain open, and some regions become even more beautiful as the landscapes turn lush and green.
Breakdown of the rainy season
- Wettest months: June, July, August & September – These months experience the most frequent rain, high humidity, and occasional storms. Beaches in Phu Quoc and Con Dao are not ideal, as the sea is rough, and there are fewer sunny days. However, Ho Chi Minh City remains a great destination, as its museums, cafés, and markets are unaffected by the rain.
- Pretty good months: May, October & early November – These months mark the transition between seasons, meaning rain is still common but less intense. Travelers can still enjoy sightseeing and cultural experiences, though beach trips are hit-or-miss depending on the weather.
What’s still possible during the rainy season?
- City travel (Ho Chi Minh City) – The rain doesn’t affect sightseeing in HCMC, and the city remains lively with plenty of indoor attractions, from museums to coffee shops.
- Mekong Delta tours – The Delta is especially green and beautiful during this time, though heavy rain may occasionally disrupt boat trips.
- Cultural sites and temples – Places like the Cu Chi Tunnels, pagodas, and historical landmarks are open year-round.
What’s less ideal in the rainy season?
- Outdoor activities – Trekking and cycling trips are more challenging due to muddy paths and sudden rain showers.
- Beach vacations – Islands like Phu Quoc and Con Dao experience frequent storms and rough seas, making them less enjoyable.
Festivals and Holidays in Southern Vietnam
While the weather is the main factor when choosing the best time to visit southern Vietnam, local festivals and holidays can also impact your experience. Some events offer unique cultural experiences, while others may lead to crowds, closures, or increased prices. Here are the key festivals to consider when planning your trip.
Tet Nguyen Dan (Vietnamese Lunar New Year) (Late January or February)
The biggest holiday in Vietnam, marking the lunar new year with family reunions, temple visits, and festive markets. In the days before Tet, cities are vibrant, but on Tet itself, many businesses close, and transportation can be fully booked or expensive. Best for experiencing local culture, but plan ahead.
Tet Nguyen Tieu (First Full Moon Festival) (February or March)
A major event for the Chinese-Vietnamese community, celebrated in Ho Chi Minh City’s Chinatown (Cholon) with lion dances, temple rituals, and colorful street performances. Great for cultural experiences, but expect crowds in Chinatown.
Ba Thien Hau Temple Festival (February or March)
Held at Ba Thien Hau Temple in Ho Chi Minh City, this event honors the sea goddess Thien Hau with incense-filled processions and performances. A good time to visit Cholon’s temples, but it can be crowded.
Whale Worshiping Festival (Cau Ngu Festival) (February – April, varies by location)
A fishermen’s festival held in coastal towns like Vung Tau, Phu Quoc, and the Mekong Delta, where locals pray for protection at sea. Interesting if you’re visiting fishing villages, but not a major tourist attraction.
Hung Kings’ Commemoration Day (March or April, Lunar March 10)
A national holiday honoring Vietnam’s legendary founders. While not widely celebrated in the south, some government offices and businesses close for the day. Minimal impact on travel.
Chol Chnam Thmay (Khmer New Year) (April 13-15)
A Khmer New Year celebration in the Mekong Delta with temple ceremonies, water blessings, and cultural performances. Best experienced in Khmer-majority provinces like Soc Trang and Tra Vinh.
Southern Liberation & Reunification Day (April 30) & International Workers’ Day (May 1)
A two-day public holiday marking the end of the Vietnam War, with parades and fireworks in Ho Chi Minh City. Expect higher domestic travel demand, making it a busy and expensive time for hotels and transport.
Buddha’s Birthday (Vesak) (May, Lunar April 15)
Celebrated at Buddhist temples across southern Vietnam, including Vinh Trang Pagoda (My Tho) and Xa Loi Pagoda (HCMC). A peaceful time to visit temples, but expect larger crowds of worshippers.
Duyen Hai Whale Festival (June, varies by year)
A local fishermen’s festival in Tra Vinh, with processions, offerings, and cultural performances. Not a major tourist event but interesting for those visiting the Mekong Delta.
Vu Lan Festival (Hungry Ghost Festival) (August or September, Lunar July 15)
A Buddhist holiday honoring ancestors, with temple ceremonies and vegetarian offerings. A spiritually rich time to visit pagodas, but no major travel disruptions.
Independence Day (September 2)
A national holiday with fireworks, parades, and celebrations in major cities. Ho Chi Minh City can be crowded, and transport/accommodation prices may increase due to domestic travel.
Mid-Autumn Festival (Tet Trung Thu) (September or October, Lunar August 15)
A festival for children, featuring lanterns, mooncakes, and lion dances, most visible in Ho Chi Minh City’s Chinatown (Cholon). A fun cultural event, but popular areas get crowded.
Kate Festival (Cham New Year) (October, Lunar September 1)
A Cham ethnic festival celebrating their new year with ceremonies, music, and dance at Cham towers in Ninh Thuan and Binh Thuan. Best for travelers interested in Cham culture.
Ooc Om Boc Festival (Khmer Water Festival & Boat Racing) (October or November, Lunar October 15)
A Khmer festival in the Mekong Delta, featuring moon worship and boat races in Soc Trang. An exciting event for travelers visiting the region.
Christmas (December 24-25)
Celebrated with decorations, lights, and church services in cities like Ho Chi Minh City, particularly in Dong Khoi Street, Notre-Dame Cathedral, and Phu My Hung. Festive atmosphere but expect big crowds on Christmas Eve.
New Year’s Eve (December 31)
One of the biggest celebrations of the year, with fireworks, concerts, and countdown parties in Ho Chi Minh City and Phu Quoc. Expect road closures, crowded areas, and increased hotel prices.
South Vietnam weather by month
The best time to visit South Vietnam depends on each traveler’s preferences and schedule. While the dry season is generally ideal, some visitors may need to plan their trip around work holidays, school vacations, or personal availability. That’s why it’s important to understand what each month offers in terms of weather, travel conditions, and experiences.
In the following breakdown, we’ll go month by month to help you know what to expect—whether you’re looking for the sunniest days, the greenest landscapes, or simply the best time that fits your travel plans.
January
January is one of the best months to visit South Vietnam, as it falls in the peak of the dry season. The weather is warm, with low humidity and almost no rain, making it ideal for outdoor activities.
The beaches of Phu Quoc and Mui Ne are in perfect condition, offering clear skies and calm seas. In Ho Chi Minh City, preparations for Tet (Vietnamese New Year) bring a festive atmosphere with colorful decorations and bustling markets. The Mekong Delta is vibrant, with pleasant boat trips along the floating markets.
Read the full guide: South Vietnam in January.
February
February is another excellent month for traveling in South Vietnam, with dry, sunny weather and warm temperatures. The humidity remains low, making sightseeing and beach activities comfortable.
Tet often falls in February, meaning lively celebrations across the region, but also some temporary closures. Phu Quoc remains a top beach destination, while Ho Chi Minh City hosts vibrant flower markets. The Mekong Delta is a great place to experience Tet traditions and floating markets.
Read the full guide: South Vietnam in February.
March
March is still within the dry season, making it a great time to visit. The weather remains warm, with little rainfall and clear skies.
Beach destinations like Phu Quoc and Mui Ne offer perfect conditions for swimming and sunbathing, while Ho Chi Minh City remains ideal for sightseeing. The Mekong Delta’s rivers and canals are great for boat trips, and Con Dao’s diving conditions improve as visibility increases.
Read the full guide: South Vietnam in March.
April
April marks the end of the dry season, with temperatures rising and humidity increasing. Rain showers start appearing later in the month, signaling the upcoming transition to the rainy season.
Despite the heat, April is still a good time for beach destinations like Mui Ne, which remains dry. Ho Chi Minh City gets hotter, but the city’s indoor attractions and rooftop bars provide relief. Reunification Day (April 30) brings celebrations and fireworks.
Read the full guide: South Vietnam in April.
May
May is a transition month, marking the start of the rainy season. While it’s still possible to experience sunny days, short but heavy rain showers become more frequent.
Phu Quoc begins to see rougher seas, making island-hopping more difficult. However, Con Dao is still in its diving season, with relatively calm waters and good visibility. Mui Ne remains one of the driest places in Vietnam, making it a good alternative. The Mekong Delta is lush, and its floating markets continue to operate as usual.
Read the full guide: South Vietnam in May.
June
June is fully into the rainy season, with frequent downpours and high humidity. Despite this, travel is still manageable, as rain showers are often short.
The Mekong Delta is particularly lush, and fruit orchards are at their peak. Con Dao is a good destination for turtle nesting season, and diving remains possible on the sheltered side of the island. Ho Chi Minh City remains a busy urban hub with plenty of indoor attractions.
Read the full guide: South Vietnam in June.
July
July sees continued rain across South Vietnam, with high humidity and frequent storms affecting beach destinations.
Mui Ne remains a drier option compared to other coastal areas, while the Mekong Delta’s floating markets remain active. Con Dao continues its turtle nesting season, making it a unique wildlife destination despite occasional rough seas. Diving conditions can still be good in sheltered spots.
Read the full guide: South Vietnam in July.
August
August remains deep in the rainy season, bringing regular rain showers and rough sea conditions.
The Mekong Delta remains a good cultural destination, and fruit orchards are abundant. Ho Chi Minh City remains lively, with plenty of indoor activities such as museums, shopping malls, and cafes to explore between rain showers. Con Dao is still a nesting ground for turtles, offering a special experience for nature lovers.
Read the full guide: South Vietnam in August.
September
September is still within the rainy season, but rainfall gradually begins to decrease towards the end of the month.
The Mekong Delta is particularly beautiful, as high water levels make boat trips even more scenic. Con Dao sees the beginning of turtle hatching season, offering a rare wildlife experience. Mui Ne is still not in peak beach season but tends to have fewer prolonged storms than Phu Quoc.
Read the full guide: South Vietnam in September.
October
October marks the transition from the rainy season to the dry season, with rainfall decreasing and temperatures becoming more comfortable.
Mui Ne starts seeing more sunny days, making it a great early-season beach destination, while Phu Quoc can still be a bit of a gamble. Since Mui Ne is on the mainland, it’s easier to adjust travel plans if rain disrupts beach days. The Mekong Delta is lush, and Ho Chi Minh City becomes more pleasant for sightseeing.
Read the full guide: South Vietnam in October.
November
November is one of the best months to visit South Vietnam, as the dry season is fully returning.
Phu Quoc and Mui Ne begin their best beach season, while Ho Chi Minh City enjoys clear skies and warm but comfortable temperatures. The Mekong Delta is ideal for boat trips, with stable water levels and pleasant weather.
Read the full guide: South Vietnam in November.
December
December is one of the best months to explore South Vietnam, as it falls in the peak of the dry season.
Phu Quoc, Mui Ne, and Con Dao offer perfect beach weather, with clear skies and calm seas. Ho Chi Minh City is lively, especially during Christmas and New Year’s Eve celebrations. The Mekong Delta remains a fantastic destination for river cruises and floating markets. Booking accommodations early is recommended due to the holiday season.
Read the full guide: South Vietnam in December.
