Climate & Weather in Vietnam
Vietnam spans over 1,600 km north to south, resulting in dramatically different climates by region.
Regional Climates
Southern Vietnam (HCMC, Mekong Delta)
- Tropical monsoon
- Two seasons: dry (Nov-Apr) and wet (May-Oct)
- Hot year-round: 25-35°C (77-95°F)
- Humidity: 70-85%
- Wet season: Heavy afternoon rain, then clears
Central Vietnam (Da Nang, Hoi An, Hue)
- Transitional climate
- Wettest: Sep-Dec (opposite to south)
- Best weather: Feb-May
- Can be cooler and windy
Northern Vietnam (Hanoi, Sapa)
- Humid subtropical
- Four distinct seasons
- Winter: Dec-Feb, 10-17°C (50-63°F), can feel cold
- Summer: Jun-Aug, 28-38°C (82-100°F), humid
- Best time: Oct-Nov, Mar-Apr
Monthly Overview
| Month | HCMC | Hanoi | Da Nang |
|---|---|---|---|
| Jan | Dry, 26°C | Cold, 17°C | Cool, 22°C |
| Feb | Dry, 27°C | Cool, 18°C | Pleasant, 23°C |
| Mar | Hot, 29°C | Warming, 20°C | Warming, 25°C |
| Apr | Hot, 30°C | Warm, 24°C | Hot, 28°C |
| May | Rainy, 29°C | Hot, 28°C | Hot, 30°C |
| Jun | Rainy, 28°C | Hot, humid, 30°C | Hot, 30°C |
| Jul | Rainy, 28°C | Hot, 30°C | Hot, 30°C |
| Aug | Rainy, 28°C | Hot, 30°C | Hot, 30°C |
| Sep | Rainy, 27°C | Cooling, 28°C | Rainy, 27°C |
| Oct | Rainy, 27°C | Pleasant, 25°C | Rainy, 25°C |
| Nov | Dry, 27°C | Cool, 22°C | Rainy, 24°C |
| Dec | Dry, 26°C | Cold, 18°C | Cool, 22°C |
Living with the Climate
Air Conditioning
- Essential in southern Vietnam
- Electricity costs increase significantly
- Most apartments include AC units
- Northern Vietnam: heating may be needed in winter
Rainy Season (South: May-Oct)
- Short, heavy afternoon downpours
- Usually clears within 1-2 hours
- Life continues normally
- Umbrella/rain jacket useful but not disruptive
Best Time to Visit/Live
Overall: November-April
- Dry season in south
- Pleasant in north (not too cold)
- Best beach weather
Budget: May-October
- Rainy season discounts
- Fewer tourists
- Still enjoyable (rain is brief)
Avoid:
- Tet holiday (late Jan/early Feb): Everything closes
- September in Da Nang/Central: Typhoon season
Natural Events
Typhoons: Central coast, Sep-Nov
Flooding: Mekong Delta, Central Vietnam in monsoon
Haze: Occasional from regional fires
Pro Tips
- •HCMC is hot year-round—AC is essential, budget for electricity
- •Rainy season storms are intense but brief—life continues normally
- •Hanoi winters feel cold (10-17°C)—bring layers if visiting/living there
- •Central Vietnam (Da Nang) has opposite wet season—Sep-Dec is wettest
- •Avoid traveling during Tet (late Jan/Feb)—everything closes
Have questions about climate & weather in Vietnam?