Average annual temperature is 11.6 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -19.1 °C
Number of sunny days: 235 days
Number of rainy days: 104 days
Number of snow days: 26 days
Look at detailed online map of Lanzhou
* Weather data for Lanzhou 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) | 12.1 | 13.8 | 22.4 | 28.7 | 32.0 | 33.7 | 35.9 | 34.5 | 32.9 | 22.4 | 19.9 | 14.4 |
| Average daytime temperature (°C) | 1.8 | 6.4 | 15.2 | 18.0 | 23.7 | 28.8 | 30.5 | 30.1 | 25.5 | 17.2 | 9.8 | 4.3 |
| Average temperature (°C) | -3.9 | 0.5 | 8.2 | 11.4 | 17.4 | 22.2 | 24.1 | 23.9 | 19.5 | 12.1 | 4.0 | -1.1 |
| Average night temperature (°C) | -9.4 | -4.6 | 2.0 | 5.1 | 11.6 | 16.2 | 18.4 | 18.2 | 14.7 | 7.9 | -1.2 | -5.9 |
| Absolute minimum temperature (°C) | -19.1 | -10.9 | -2.1 | -4.5 | 6.3 | 12.0 | 13.2 | 13.8 | 8.9 | 3.0 | -6.5 | -13.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.1 | 7.2 | 9.1 | 8.3 | 8.0 | 9.4 | 10.4 | 10.6 | 9.0 | 7.8 | 8.2 | 8.1 |
| Precipitation (mm) | 2 | 18 | 4 | 18 | 30 | 20 | 66 | 20 | 74 | 78 | 4 | 1 |
| Sunny days | 25 | 17 | 23 | 18 | 14 | 19 | 21 | 17 | 12 | 16 | 25 | 28 |
| Rainy days | 0 | 2 | 6 | 10 | 17 | 11 | 10 | 14 | 18 | 15 | 1 | 0 |
| Snow days | 6 | 9 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 |
The largest precipitation sum in Lanzhou is at