Climate averages 1991–2020
Heyuan weather
in December.
A mild, fairly dry month: the 11th warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Heyuan: daytime highs average 19.1°C and nights cool to about 9.9°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 36 mm of rain on roughly 4 days, which makes December a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 42 min on an average December day.
The nearest other city in this atlas is Huizhou (74 km away). In December its highs average 20.2°C, 1.1°C warmer than Heyuan, with 33 mm of rain.
Among the 884 cities listed in China, Heyuan ranks joint 89th of 884 for the warmest December highs and joint 613th of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Heyuan is 11.6°C warmer than that mean.
From December to January, average highs fall by 1.3°C to 17.8°C, and monthly rainfall rises from 36 mm to 48 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
Heyuan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.8°C9.0°C | 9.0°C | 48 | 6.2 | 10.811 h |
| February | 19.4°C11.1°C | 11.1°C | 59 | 9.4 | 11.311 h |
| March | 22.5°C14.5°C | 14.5°C | 122 | 13.6 | 12.012 h |
| April | 26.0°C19.0°C | 19.0°C | 168 | 15.4 | 12.713 h |
| May | 28.5°C22.4°C | 22.4°C | 240 | 20.1 | 13.313 h |
| June | 29.8°C24.5°C | 24.5°C | 295 | 23.3 | 13.614 h |
| July | 31.1°C25.3°C | 25.3°C | 211 | 21.7 | 13.413 h |
| August | 31.1°C25.2°C | 25.2°C | 236 | 21.1 | 13.013 h |
| September | 30.2°C23.7°C | 23.7°C | 150 | 14.3 | 12.312 h |
| October | 28.0°C19.9°C | 19.9°C | 44 | 5.5 | 11.612 h |
| November | 24.1°C15.1°C | 15.1°C | 35 | 5.2 | 11.011 h |
| December, selected | 19.1°C9.9°C | 9.9°C | 36 | 4.3 | 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
- Huizhou in DecemberChina · 74 kmHigh 20.2°C · Low 10.8°C · 33 mm rain
- Luoyang, China in DecemberChina · 76 kmHigh 20.2°C · Low 11.1°C · 41 mm rain
- Pingshan in DecemberChina · 82 kmHigh 20.6°C · Low 11.2°C · 31 mm rain
- Licheng in DecemberChina · 100 kmHigh 20.0°C · Low 10.9°C · 40 mm rain
- Anliu in DecemberChina · 101 kmHigh 19.1°C · Low 10.0°C · 40 mm rain
- Huacheng in DecemberChina · 102 kmHigh 18.9°C · Low 9.4°C · 37 mm rain
- Danshui, China in DecemberChina · 106 kmHigh 20.2°C · Low 12.4°C · 31 mm rain
- Hengbei in DecemberChina · 107 kmHigh 19.0°C · Low 9.7°C · 36 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 Heyuan) is explained once on the Heyuan year overview and on the Sources, method and limits page.