Climate averages 1991–2020
Cao Bằng weather
in January.
A mild, moderately wet month: the coolest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a mild month in Cao Bằng: daytime highs average 17.2°C and nights cool to about 11.3°C. By daytime temperature it is the coolest month of the year.
Expect about 66 mm of rain on roughly 13 days, which makes January a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 55 min on an average January day.
The nearest other city in this atlas is Pingxiang, China (81 km away). In January its highs average 16.4°C, 0.8°C cooler than Cao Bằng, with 39 mm of rain.
Among the 136 cities listed in Vietnam, Cao Bằng ranks joint 135th of 136 for the warmest January highs and 112th of 136 for the driest January (rainfall, lowest first). The mean January high of those 136 cities is 24.8°C; Cao Bằng is 7.6°C cooler than that mean.
From January to February, average highs rise by 2.2°C to 19.4°C, and monthly rainfall falls from 66 mm to 53 mm.
The annual picture
January 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
Cao Bằng climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 17.2°C11.3°C | 11.3°C | 66 | 13.3 | 10.911 h |
| February | 19.4°C13.0°C | 13.0°C | 53 | 11.6 | 11.411 h |
| March | 22.8°C16.3°C | 16.3°C | 89 | 16.0 | 12.012 h |
| April | 26.9°C20.0°C | 20.0°C | 111 | 17.1 | 12.713 h |
| May | 29.2°C22.5°C | 22.5°C | 213 | 22.3 | 13.213 h |
| June | 30.5°C24.3°C | 24.3°C | 293 | 25.2 | 13.513 h |
| July | 30.5°C24.6°C | 24.6°C | 302 | 26.4 | 13.413 h |
| August | 30.6°C24.2°C | 24.2°C | 268 | 24.4 | 12.913 h |
| September | 29.4°C22.5°C | 22.5°C | 156 | 16.8 | 12.312 h |
| October | 26.9°C19.7°C | 19.7°C | 87 | 12.0 | 11.612 h |
| November | 23.3°C15.8°C | 15.8°C | 69 | 9.7 | 11.111 h |
| December | 18.9°C11.8°C | 11.8°C | 50 | 9.4 | 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
January in nearby cities
- Pingxiang, China in JanuaryChina · 81 kmHigh 16.4°C · Low 10.0°C · 39 mm rain
- Lạng Sơn in JanuaryVietnam · 104 kmHigh 17.2°C · Low 10.8°C · 57 mm rain
- Chongzuo in JanuaryChina · 118 kmHigh 17.5°C · Low 10.7°C · 44 mm rain
- Thái Nguyên in JanuaryVietnam · 126 kmHigh 18.6°C · Low 12.9°C · 59 mm rain
- Thị Trấn Đại Từ in JanuaryVietnam · 131 kmHigh 19.5°C · Low 14.2°C · 49 mm rain
- Thành phố Sông Công in JanuaryVietnam · 139 kmHigh 18.9°C · Low 13.2°C · 59 mm rain
- Baise in JanuaryChina · 141 kmHigh 16.4°C · Low 9.6°C · 76 mm rain
- Tuyên Quang in JanuaryVietnam · 142 kmHigh 19.1°C · Low 13.7°C · 32 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 Cao Bằng) is explained once on the Cao Bằng year overview and on the Sources, method and limits page.