Climate averages 1991–2020
Mengzi weather
in December.
A mild, fairly dry month: one of the coolest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Mengzi: daytime highs average 16.6°C and nights cool to about 8.5°C. By daytime temperature it is one of the coolest months of the year.
Expect about 27 mm of rain on roughly 6 days, which makes December a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 44 min on an average December day.
The nearest other city in this atlas is Gejiu (23 km away). In December its highs average 15.6°C, 1.0°C cooler than Mengzi, with 18 mm of rain.
Among the 884 cities listed in China, Mengzi ranks joint 125th of 884 for the warmest December highs and joint 510th of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Mengzi is 9.1°C warmer than that mean.
From December to January, average highs fall by 0.1°C to 16.6°C, and monthly rainfall rises from 27 mm to 36 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
Mengzi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.6°C8.4°C | 8.4°C | 36 | 7.6 | 10.911 h |
| February | 19.4°C10.2°C | 10.2°C | 28 | 7.1 | 11.411 h |
| March | 23.5°C13.4°C | 13.4°C | 58 | 11.5 | 12.012 h |
| April | 25.9°C16.2°C | 16.2°C | 91 | 16.0 | 12.713 h |
| May | 26.7°C18.0°C | 18.0°C | 164 | 20.4 | 13.313 h |
| June | 26.5°C19.5°C | 19.5°C | 230 | 24.5 | 13.514 h |
| July | 25.9°C19.5°C | 19.5°C | 281 | 27.1 | 13.413 h |
| August | 25.9°C19.2°C | 19.2°C | 273 | 26.4 | 12.913 h |
| September | 24.8°C17.9°C | 17.9°C | 143 | 20.1 | 12.312 h |
| October | 22.3°C15.5°C | 15.5°C | 84 | 15.1 | 11.612 h |
| November | 19.9°C11.9°C | 11.9°C | 39 | 7.3 | 11.011 h |
| December, selected | 16.6°C8.5°C | 8.5°C | 27 | 5.8 | 10.711 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
- Gejiu in DecemberChina · 23 kmHigh 15.6°C · Low 7.8°C · 18 mm rain
- Kaiyuan (Yunnan), China in DecemberChina · 38 kmHigh 18.1°C · Low 8.4°C · 15 mm rain
- Wenshan City in DecemberChina · 89 kmHigh 16.6°C · Low 7.8°C · 23 mm rain
- Lào Cai in DecemberVietnam · 115 kmHigh 20.0°C · Low 13.2°C · 92 mm rain
- Miyang in DecemberChina · 115 kmHigh 16.4°C · Low 7.4°C · 16 mm rain
- Zhongshu in DecemberChina · 134 kmHigh 14.2°C · Low 5.5°C · 18 mm rain
- Yuxi in DecemberChina · 139 kmHigh 16.2°C · Low 7.5°C · 20 mm rain
- Haikou, China in DecemberChina · 177 kmHigh 13.9°C · Low 6.7°C · 16 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 Mengzi) is explained once on the Mengzi year overview and on the Sources, method and limits page.