Climate averages 1991–2020
Heshan weather
in January.
A cool, moderately wet month: the coolest and the joint 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cool month in Heshan: daytime highs average 9.0°C and nights cool to about 2.2°C. By daytime temperature it is the coolest month of the year.
Expect about 75 mm of rain on roughly 11 days, which makes January a moderately wet month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 33 min on an average January day.
The nearest other city in this atlas is Changsha (74 km away). In January its highs average 9.7°C, 0.7°C warmer than Heshan, with 74 mm of rain.
Among the 884 cities listed in China, Heshan ranks joint 298th of 884 for the warmest January highs and joint 815th of 884 for the driest January (rainfall, lowest first). The mean January high of those 884 cities is 5.9°C; Heshan is 3.2°C warmer than that mean.
From January to February, average highs rise by 2.7°C to 11.7°C, and monthly rainfall rises from 75 mm to 88 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
Heshan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 9.0°C2.2°C | 2.2°C | 75 | 11.1 | 10.511 h |
| February | 11.7°C4.4°C | 4.4°C | 88 | 11.9 | 11.211 h |
| March | 16.1°C8.2°C | 8.2°C | 156 | 15.8 | 12.012 h |
| April | 22.0°C13.8°C | 13.8°C | 183 | 16.1 | 12.813 h |
| May | 26.2°C18.4°C | 18.4°C | 225 | 15.5 | 13.614 h |
| June | 29.0°C22.5°C | 22.5°C | 295 | 16.7 | 13.914 h |
| July | 32.0°C25.6°C | 25.6°C | 216 | 15.2 | 13.814 h |
| August | 31.5°C25.0°C | 25.0°C | 154 | 15.0 | 13.213 h |
| September | 27.7°C20.8°C | 20.8°C | 92 | 10.2 | 12.412 h |
| October | 22.7°C15.3°C | 15.3°C | 75 | 8.7 | 11.512 h |
| November | 17.0°C9.6°C | 9.6°C | 76 | 9.3 | 10.811 h |
| December | 11.4°C4.2°C | 4.2°C | 51 | 8.3 | 10.410 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
- Changsha in JanuaryChina · 74 kmHigh 9.7°C · Low 2.7°C · 74 mm rain
- Shaoshan in JanuaryChina · 74 kmHigh 9.4°C · Low 2.5°C · 68 mm rain
- Changde in JanuaryChina · 82 kmHigh 9.2°C · Low 2.0°C · 67 mm rain
- Xiangxiang in JanuaryChina · 95 kmHigh 9.8°C · Low 3.1°C · 73 mm rain
- Xiangtan in JanuaryChina · 97 kmHigh 10.0°C · Low 3.1°C · 77 mm rain
- Loudi in JanuaryChina · 99 kmHigh 9.1°C · Low 2.4°C · 74 mm rain
- Zhuzhou in JanuaryChina · 114 kmHigh 10.2°C · Low 3.3°C · 82 mm rain
- Yueyang in JanuaryChina · 115 kmHigh 9.0°C · Low 2.1°C · 65 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 Heshan) is explained once on the Heshan year overview and on the Sources, method and limits page.