Climate averages 1991–2020
Yên Bái weather
in December.
A mild, moderately wet 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 Yên Bái: daytime highs average 19.7°C and nights cool to about 14.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 41 mm of rain on roughly 8 days, which makes December a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 50 min on an average December day.
The nearest other city in this atlas is Tuyên Quang (33 km away). In December its highs average 20.7°C, 0.9°C warmer than Yên Bái, with 28 mm of rain.
Among the 136 cities listed in Vietnam, Yên Bái ranks 132nd of 136 for the warmest December highs and joint 43rd of 136 for the driest December (rainfall, lowest first). The mean December high of those 136 cities is 25.0°C; Yên Bái is 5.3°C cooler than that mean.
From December to January, average highs fall by 1.5°C to 18.3°C, and monthly rainfall rises from 41 mm to 43 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
Yên Bái climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.3°C13.6°C | 13.6°C | 43 | 9.0 | 11.011 h |
| February | 20.4°C14.9°C | 14.9°C | 33 | 7.3 | 11.411 h |
| March | 24.0°C17.9°C | 17.9°C | 70 | 10.5 | 12.012 h |
| April | 27.9°C21.3°C | 21.3°C | 126 | 13.1 | 12.613 h |
| May | 30.0°C23.7°C | 23.7°C | 294 | 20.0 | 13.213 h |
| June | 31.2°C25.1°C | 25.1°C | 398 | 23.1 | 13.413 h |
| July | 30.9°C25.1°C | 25.1°C | 407 | 25.6 | 13.313 h |
| August | 30.6°C24.9°C | 24.9°C | 415 | 25.0 | 12.913 h |
| September | 29.5°C24.0°C | 24.0°C | 229 | 19.6 | 12.312 h |
| October | 27.1°C22.0°C | 22.0°C | 115 | 12.5 | 11.712 h |
| November | 23.8°C18.5°C | 18.5°C | 64 | 8.0 | 11.111 h |
| December, selected | 19.7°C14.7°C | 14.7°C | 41 | 7.9 | 10.811 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
- Tuyên Quang in DecemberVietnam · 33 kmHigh 20.7°C · Low 14.3°C · 28 mm rain
- Phú Thọ in DecemberVietnam · 48 kmHigh 20.5°C · Low 14.7°C · 28 mm rain
- Việt Trì in DecemberVietnam · 67 kmHigh 20.5°C · Low 14.6°C · 29 mm rain
- Thị Trấn Đại Từ in DecemberVietnam · 76 kmHigh 21.1°C · Low 14.6°C · 38 mm rain
- Bắc Quang in DecemberVietnam · 85 kmHigh 20.2°C · Low 14.1°C · 71 mm rain
- Vĩnh Yên in DecemberVietnam · 85 kmHigh 20.8°C · Low 14.5°C · 29 mm rain
- Ba Vì in DecemberVietnam · 86 kmHigh 18.5°C · Low 12.8°C · 32 mm rain
- Sơn Tây in DecemberVietnam · 89 kmHigh 20.6°C · Low 14.7°C · 29 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 Yên Bái) is explained once on the Yên Bái year overview and on the Sources, method and limits page.