Average annual temperature is 17.6 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 165 days
Number of rainy days: 198 days
Number of snow days: 2 days
Look at detailed online map of Bolu
* Weather data for Bolu 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) | 19.6 | 22.0 | 26.9 | 32.0 | 35.0 | 34.5 | 36.8 | 35.6 | 33.3 | 27.6 | 30.5 | 24.1 |
| Average daytime temperature (°C) | 10.6 | 11.6 | 17.8 | 22.3 | 26.7 | 30.2 | 32.8 | 31.5 | 29.3 | 24.4 | 18.9 | 11.2 |
| Average temperature (°C) | 5.5 | 7.4 | 12.6 | 17.1 | 21.9 | 25.8 | 29.0 | 27.5 | 25.3 | 19.3 | 13.3 | 6.1 |
| Average night temperature (°C) | 0.9 | 3.6 | 8.4 | 12.7 | 18.0 | 22.4 | 26.3 | 24.4 | 22.2 | 15.1 | 8.6 | 1.9 |
| Absolute minimum temperature (°C) | -7.8 | -2.8 | 1.9 | 6.0 | 8.7 | 19.0 | 24.5 | 19.4 | 19.0 | 10.4 | 3.0 | -6.8 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 10.2 |
| 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) | 6.8 | 5.4 | 5.7 | 7.1 | 7.0 | 6.6 | 7.7 | 9.7 | 7.7 | 7.7 | 7.7 | 6.8 |
| Precipitation (mm) | 77 | 74 | 78 | 59 | 109 | 314 | 241 | 222 | 153 | 13 | 29 | 30 |
| Sunny days | 22 | 13 | 15 | 12 | 12 | 6 | 5 | 4 | 10 | 22 | 22 | 22 |
| Rainy days | 8 | 15 | 16 | 18 | 19 | 24 | 26 | 27 | 20 | 9 | 8 | 8 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Bolu during the most sunny months:
The largest precipitation sum in Bolu is at