Weather in Ho Chi Minh City in March
Vietnam · 20-year averages, March
The month to avoid. March is the month most people should skip in Ho Chi Minh City. Daytime highs average 38 °C and the afternoon is not negotiable — outdoor plans move to early morning or evening.
March ranks 11 of 12 — near the bottom of Ho Chi Minh City's year. December is the month that works, and the swing between the two is 42 points, which is a different holiday rather than a slightly better one.
Rain falls on only 2 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for heat management rather than style: shade, water, and a schedule that gives up on the middle of the day.
What the averages hide
Averages flatten a month, and this one hides a few things: 28 days of the month clear 35 °C — that is not a heatwave, it is the month. Across the twenty years measured, the hottest March day reached 41.4 °C and the coldest night fell to 18.8 °C.
This is the volatile part. March rainfall has ranged from 0 mm to 46 mm across the twenty years measured — a 46 mm spread around an average of 13 mm. The average is real but almost no individual March looks like it, so treat the figure as the middle of a wide range rather than a forecast.
Wind is light at 10.2 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 59%.
How March sits in the year
Temperatures hold steady either side: 36.1 °C in February, 38 here, 37.9 in April. Nothing about the timing within the month matters much.
Daylight in March
Ho Chi Minh City sits close enough to the equator that daylight barely moves all year — 12.1 hours in March, against a range of just 1.3 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.
Sea temperature
The sea sits at about 26.7 °C in March — warm enough to stay in as long as you like. The sea peaks at 29.9 °C in May and bottoms out at 25.3 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.
How busy it gets
Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
March in Ho Chi Minh City versus nearby
If Ho Chi Minh City is one option among several, the nearby comparison is worth making. Vũng Tàu is a better bet in March — 4 °C cooler, 1 day more rain. Cần Thơ is a better bet in March — within a degree on temperature, 2 days more rain.
So: March is a compromise. December is 42 points better and is what Ho Chi Minh City is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Ho Chi Minh City
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 33 | 21.4 | 2 | 11 | 71 | 11.6 | 25.3 | 70 |
| February | 36.1 | 22.3 | 1 | 7 | 62 | 11.8 | 25.4 | 48 |
| March | 38 | 24.4 | 2 | 13 | 59 | 12.1 | 26.7 | 30 |
| April | 37.9 | 26 | 6 | 41 | 61 | 12.4 | 28.6 | 30 |
| May | 34.4 | 26 | 18 | 155 | 74 | 12.6 | 29.9 | 32 |
| June | 31.3 | 24.8 | 22 | 212 | 84 | 12.8 | 29.5 | 42 |
| July | 30.4 | 24.3 | 24 | 207 | 87 | 12.7 | 28.7 | 43 |
| August | 30.3 | 24.2 | 22 | 191 | 88 | 12.5 | 28.6 | 43 |
| September | 30.2 | 24.2 | 23 | 190 | 88 | 12.2 | 28.8 | 43 |
| October | 30.4 | 23.9 | 23 | 215 | 87 | 11.9 | 28.7 | 43 |
| November | 30.9 | 23 | 14 | 100 | 84 | 11.6 | 27.8 | 52 |
| December | 31.1 | 21.8 | 5 | 32 | 79 | 11.5 | 26.5 | 72 |
See all twelve months in Ho Chi Minh City, or where else to go in March.
Planning the rest of the trip
- Flight time to Ho Chi Minh City how long you are actually in the air
- Ho Chi Minh City time zone and the difference from home
- Days until your trip count down to the departure date