Climate averages 1991–2020
Tân An weather
in December.
A hot, moderately wet month: the coolest and the joint 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Tân An: daytime highs average 29.8°C and nights cool to about 22.6°C. By daytime temperature it is the coolest month of the year.
Expect about 70 mm of rain on roughly 10 days, which makes December a moderately wet month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 31 min on an average December day.
The nearest other city in this atlas is Mỹ Tho (20 km away). In December its highs average 29.4°C, about as warm as Tân An, with 76 mm of rain.
Among the 136 cities listed in Vietnam, Tân An ranks joint 19th of 136 for the warmest December highs and joint 90th of 136 for the driest December (rainfall, lowest first). The mean December high of those 136 cities is 25.0°C; Tân An is 4.7°C warmer than that mean.
From December to January, average highs rise by 0.6°C to 30.4°C, and monthly rainfall falls from 70 mm to 28 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Tân An climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C22.4°C | 22.4°C | 28 | 4.2 | 11.612 h |
| February | 31.6°C23.0°C | 23.0°C | 11 | 2.0 | 11.812 h |
| March | 32.9°C24.3°C | 24.3°C | 25 | 4.5 | 12.112 h |
| April | 33.4°C25.3°C | 25.3°C | 70 | 11.9 | 12.412 h |
| May | 32.4°C25.3°C | 25.3°C | 194 | 24.5 | 12.613 h |
| June | 30.9°C24.8°C | 24.8°C | 237 | 27.3 | 12.713 h |
| July | 30.3°C24.4°C | 24.4°C | 238 | 29.0 | 12.713 h |
| August | 30.4°C24.4°C | 24.4°C | 260 | 28.9 | 12.512 h |
| September | 30.3°C24.1°C | 24.1°C | 294 | 28.1 | 12.212 h |
| October | 30.0°C23.5°C | 23.5°C | 287 | 27.3 | 11.912 h |
| November | 30.0°C23.3°C | 23.3°C | 139 | 16.7 | 11.712 h |
| December, selected | 29.8°C22.6°C | 22.6°C | 70 | 9.8 | 11.512 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Mỹ Tho in DecemberVietnam · 20 kmHigh 29.4°C · Low 22.8°C · 76 mm rain
- Cần Giuộc in DecemberVietnam · 29 kmHigh 29.7°C · Low 22.7°C · 71 mm rain
- Bến Tre in DecemberVietnam · 33 kmHigh 29.1°C · Low 23.1°C · 75 mm rain
- Gò Công in DecemberVietnam · 33 kmHigh 29.0°C · Low 23.4°C · 66 mm rain
- Quận Sáu in DecemberVietnam · 35 kmHigh 30.1°C · Low 22.5°C · 64 mm rain
- Cai Lậy in DecemberVietnam · 36 kmHigh 29.8°C · Low 22.6°C · 67 mm rain
- Quận Mười in DecemberVietnam · 38 kmHigh 30.0°C · Low 22.6°C · 64 mm rain
- Ho Chi Minh City in DecemberVietnam · 40 kmHigh 30.3°C · Low 22.6°C · 64 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tân An) is explained once on the Tân An year overview and on the Sources, method and limits page.