Climate averages 1991–2020
Lào Cai weather
in December.
A mild, wet month: the 11th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Lào Cai: daytime highs average 20.0°C and nights cool to about 13.2°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 92 mm of rain on roughly 14 days, which makes December a wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 47 min on an average December day.
The nearest other city in this atlas is Bắc Quang (92 km away). In December its highs average 20.2°C, about as warm as Lào Cai, with 71 mm of rain.
Among the 136 cities listed in Vietnam, Lào Cai ranks 131st of 136 for the warmest December highs and 106th of 136 for the driest December (rainfall, lowest first). The mean December high of those 136 cities is 25.0°C; Lào Cai is 5.0°C cooler than that mean.
From December to January, average highs fall by 1.1°C to 18.9°C, and monthly rainfall rises from 92 mm to 96 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
Lào Cai climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.9°C12.1°C | 12.1°C | 96 | 18.1 | 10.911 h |
| February | 21.4°C13.3°C | 13.3°C | 88 | 17.1 | 11.411 h |
| March | 25.5°C16.7°C | 16.7°C | 126 | 19.0 | 12.012 h |
| April | 29.3°C20.6°C | 20.6°C | 129 | 17.6 | 12.713 h |
| May | 31.1°C23.5°C | 23.5°C | 199 | 19.7 | 13.213 h |
| June | 31.8°C25.1°C | 25.1°C | 242 | 22.0 | 13.513 h |
| July | 31.3°C24.8°C | 24.8°C | 261 | 23.2 | 13.413 h |
| August | 31.2°C24.5°C | 24.5°C | 268 | 22.4 | 12.913 h |
| September | 29.8°C23.5°C | 23.5°C | 165 | 18.1 | 12.312 h |
| October | 26.9°C21.2°C | 21.2°C | 118 | 16.6 | 11.612 h |
| November | 23.9°C17.2°C | 17.2°C | 88 | 13.8 | 11.111 h |
| December, selected | 20.0°C13.2°C | 13.2°C | 92 | 14.1 | 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
- Bắc Quang in DecemberVietnam · 92 kmHigh 20.2°C · Low 14.1°C · 71 mm rain
- Wenshan City in DecemberChina · 102 kmHigh 16.6°C · Low 7.8°C · 23 mm rain
- Mengzi in DecemberChina · 115 kmHigh 16.6°C · Low 8.5°C · 27 mm rain
- Thị Trấn Thuận Châu in DecemberVietnam · 120 kmHigh 21.4°C · Low 12.9°C · 38 mm rain
- Gejiu in DecemberChina · 128 kmHigh 15.6°C · Low 7.8°C · 18 mm rain
- Yên Bái in DecemberVietnam · 129 kmHigh 19.7°C · Low 14.7°C · 41 mm rain
- Sơn La in DecemberVietnam · 129 kmHigh 21.0°C · Low 12.4°C · 23 mm rain
- Tuyên Quang in DecemberVietnam · 148 kmHigh 20.7°C · Low 14.3°C · 28 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 Lào Cai) is explained once on the Lào Cai year overview and on the Sources, method and limits page.