Climate averages 1991–2020
Gejiu weather
in December.
A mild, fairly dry month: the 11th warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Gejiu: daytime highs average 15.6°C and nights cool to about 7.8°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 18 mm of rain on roughly 3 days, which makes December a fairly dry month (one of the driest months 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 Mengzi (23 km away). In December its highs average 16.6°C, 1.0°C warmer than Gejiu, with 27 mm of rain.
Among the 884 cities listed in China, Gejiu ranks joint 141st of 884 for the warmest December highs and joint 429th of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Gejiu is 8.1°C warmer than that mean.
From December to January, average highs fall by 0.3°C to 15.3°C, and monthly rainfall rises from 18 mm to 25 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
Gejiu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.3°C7.4°C | 7.4°C | 25 | 3.5 | 10.911 h |
| February | 17.8°C8.7°C | 8.7°C | 18 | 3.9 | 11.411 h |
| March | 21.6°C11.6°C | 11.6°C | 37 | 6.9 | 12.012 h |
| April | 23.9°C14.3°C | 14.3°C | 52 | 10.4 | 12.713 h |
| May | 24.7°C16.3°C | 16.3°C | 113 | 15.3 | 13.313 h |
| June | 24.6°C17.8°C | 17.8°C | 166 | 22.3 | 13.514 h |
| July | 23.9°C17.7°C | 17.7°C | 255 | 25.7 | 13.413 h |
| August | 23.8°C17.3°C | 17.3°C | 266 | 26.1 | 12.913 h |
| September | 22.8°C16.1°C | 16.1°C | 135 | 19.7 | 12.312 h |
| October | 20.7°C14.1°C | 14.1°C | 61 | 11.5 | 11.612 h |
| November | 18.4°C10.6°C | 10.6°C | 27 | 3.7 | 11.011 h |
| December, selected | 15.6°C7.8°C | 7.8°C | 18 | 2.6 | 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
- Mengzi in DecemberChina · 23 kmHigh 16.6°C · Low 8.5°C · 27 mm rain
- Kaiyuan (Yunnan), China in DecemberChina · 40 kmHigh 18.1°C · Low 8.4°C · 15 mm rain
- Wenshan City in DecemberChina · 112 kmHigh 16.6°C · Low 7.8°C · 23 mm rain
- Miyang in DecemberChina · 120 kmHigh 16.4°C · Low 7.4°C · 16 mm rain
- Yuxi in DecemberChina · 127 kmHigh 16.2°C · Low 7.5°C · 20 mm rain
- Lào Cai in DecemberVietnam · 128 kmHigh 20.0°C · Low 13.2°C · 92 mm rain
- Zhongshu in DecemberChina · 143 kmHigh 14.2°C · Low 5.5°C · 18 mm rain
- Haikou, China in DecemberChina · 168 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 Gejiu) is explained once on the Gejiu year overview and on the Sources, method and limits page.