Average annual temperature is 6.8 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -27.4 °C
Number of sunny days: 253 days
Number of rainy days: 80 days
Number of snow days: 32 days
Look at detailed online map of Ih Sum
* Weather data for Ih Sum 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) | 5.9 | 10.0 | 18.0 | 23.1 | 29.7 | 35.6 | 35.0 | 34.7 | 32.0 | 21.9 | 19.6 | 6.5 |
| Average daytime temperature (°C) | -7.1 | -0.6 | 6.9 | 12.5 | 20.3 | 27.9 | 29.0 | 28.7 | 23.1 | 15.0 | -0.7 | -7.3 |
| Average temperature (°C) | -11.7 | -5.9 | 1.0 | 6.5 | 14.7 | 21.7 | 22.8 | 22.4 | 16.8 | 8.5 | -5.2 | -11.3 |
| Average night temperature (°C) | -16.6 | -11.7 | -4.4 | 0.1 | 9.2 | 15.0 | 17.1 | 16.0 | 10.8 | 2.4 | -9.8 | -15.6 |
| Absolute minimum temperature (°C) | -27.4 | -18.0 | -10.8 | -6.8 | 1.6 | 6.2 | 12.3 | 8.5 | 0.9 | -3.2 | -19.0 | -27.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 8.7 | 10.4 | 9.1 | 9.7 | 12.0 | 10.5 | 11.2 | 10.1 | 9.0 | 7.2 | 7.0 |
| Precipitation (mm) | 3 | 3 | 0 | 15 | 23 | 8 | 48 | 22 | 12 | 7 | 12 | 6 |
| Sunny days | 25 | 23 | 28 | 18 | 19 | 22 | 9 | 18 | 19 | 28 | 19 | 25 |
| Rainy days | 0 | 0 | 0 | 6 | 12 | 8 | 22 | 13 | 11 | 3 | 4 | 1 |
| Snow days | 6 | 5 | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 5 |
The best time to visit Ih Sum during the most sunny months:
The largest precipitation sum in Ih Sum is at