Average annual temperature is 18.7 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 146 days
Number of rainy days: 218 days
Number of snow days: 1 day
Look at detailed online map of Sumu
* Weather data for Sumu China is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 22.7 | 20.6 | 26.5 | 30.5 | 32.8 | 34.0 | 35.1 | 35.9 | 34.4 | 29.5 | 28.0 | 23.7 |
| Average daytime temperature (°C) | 12.5 | 12.3 | 18.8 | 22.8 | 26.6 | 29.7 | 32.7 | 32.2 | 29.6 | 24.7 | 19.7 | 13.1 |
| Average temperature (°C) | 7.5 | 8.6 | 14.3 | 18.5 | 22.8 | 26.1 | 29.2 | 28.3 | 25.8 | 20.2 | 14.5 | 8.2 |
| Average night temperature (°C) | 2.5 | 5.3 | 10.1 | 14.7 | 19.5 | 23.0 | 26.3 | 24.7 | 22.6 | 16.6 | 10.4 | 3.8 |
| Absolute minimum temperature (°C) | -4.3 | 0.1 | 5.3 | 6.0 | 13.0 | 18.6 | 24.6 | 19.9 | 18.9 | 11.4 | 4.0 | -3.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.6 | 3.8 | 5.2 | 6.8 | 7.4 | 8.0 | 9.5 | 10.2 | 7.7 | 6.3 | 7.0 | 6.1 |
| Precipitation (mm) | 30 | 101 | 127 | 195 | 261 | 237 | 138 | 108 | 63 | 42 | 35 | 24 |
| Sunny days | 20 | 12 | 10 | 10 | 7 | 8 | 7 | 7 | 8 | 17 | 19 | 21 |
| Rainy days | 10 | 16 | 21 | 20 | 24 | 22 | 24 | 24 | 22 | 14 | 11 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sumu during the most sunny months:
The largest precipitation sum in Sumu is at