Climate averages 1991–2020
Ba Vì weather
in December.
A mild, fairly dry month: the 11th warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Ba Vì: daytime highs average 18.5°C and nights cool to about 12.8°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 32 mm of rain on roughly 6 days, which makes December a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 53 min on an average December day.
The nearest other city in this atlas is Sơn Tây (14 km away). In December its highs average 20.6°C, 2.1°C warmer than Ba Vì, with 29 mm of rain.
Among the 136 cities listed in Vietnam, Ba Vì ranks 136th of 136 for the warmest December highs and joint 26th of 136 for the driest December (rainfall, lowest first). The mean December high of those 136 cities is 25.0°C; Ba Vì is 6.5°C cooler than that mean.
From December to January, average highs fall by 1.2°C to 17.3°C, and monthly rainfall rises from 32 mm to 37 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
Ba Vì climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.3°C12.0°C | 12.0°C | 37 | 7.6 | 11.011 h |
| February | 19.5°C13.5°C | 13.5°C | 24 | 6.6 | 11.411 h |
| March | 22.9°C16.4°C | 16.4°C | 51 | 9.0 | 12.012 h |
| April | 26.9°C19.8°C | 19.8°C | 104 | 11.1 | 12.613 h |
| May | 29.0°C22.2°C | 22.2°C | 244 | 18.3 | 13.113 h |
| June | 30.3°C23.8°C | 23.8°C | 231 | 19.0 | 13.413 h |
| July | 29.9°C23.8°C | 23.8°C | 278 | 21.1 | 13.313 h |
| August | 29.2°C23.3°C | 23.3°C | 330 | 22.9 | 12.913 h |
| September | 27.9°C22.2°C | 22.2°C | 236 | 18.4 | 12.312 h |
| October | 25.6°C19.9°C | 19.9°C | 133 | 12.0 | 11.712 h |
| November | 22.5°C16.5°C | 16.5°C | 58 | 7.4 | 11.211 h |
| December, selected | 18.5°C12.8°C | 12.8°C | 32 | 6.3 | 10.911 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
- Sơn Tây in DecemberVietnam · 14 kmHigh 20.6°C · Low 14.7°C · 29 mm rain
- Việt Trì in DecemberVietnam · 27 kmHigh 20.5°C · Low 14.6°C · 29 mm rain
- Hòa Bình in DecemberVietnam · 30 kmHigh 20.8°C · Low 15.2°C · 30 mm rain
- Vĩnh Yên in DecemberVietnam · 34 kmHigh 20.8°C · Low 14.5°C · 29 mm rain
- Phúc Yên in DecemberVietnam · 37 kmHigh 20.7°C · Low 14.1°C · 31 mm rain
- Bắc Từ Liêm in DecemberVietnam · 38 kmHigh 20.8°C · Low 14.1°C · 33 mm rain
- Phú Thọ in DecemberVietnam · 39 kmHigh 20.5°C · Low 14.7°C · 28 mm rain
- Tây Hồ in DecemberVietnam · 44 kmHigh 20.9°C · Low 14.0°C · 33 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 Ba Vì) is explained once on the Ba Vì year overview and on the Sources, method and limits page.