Average annual temperature is 15.6 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: -2.4 °C
Number of sunny days: 157 days
Number of rainy days: 208 days
Look at detailed online map of Bollu
* Weather data for Bollu Turkey is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.9 | 22.2 | 22.8 | 23.3 | 24.0 | 27.1 | 40.1 | 34.3 | 29.0 | 28.8 | 28.0 | 21.4 |
| Average daytime temperature (°C) | 12.5 | 10.7 | 12.7 | 15.8 | 17.9 | 23.3 | 28.5 | 29.0 | 25.8 | 22.5 | 18.2 | 14.3 |
| Average temperature (°C) | 8.7 | 7.2 | 9.3 | 12.0 | 14.8 | 20.1 | 24.2 | 25.3 | 22.2 | 18.2 | 14.4 | 10.5 |
| Average night temperature (°C) | 5.4 | 3.8 | 6.3 | 8.9 | 11.9 | 16.7 | 19.6 | 21.8 | 18.8 | 14.4 | 10.7 | 7.1 |
| Absolute minimum temperature (°C) | 0.5 | -2.4 | 0.4 | 4.5 | 8.0 | 13.3 | 15.4 | 19.6 | 14.5 | 11.0 | 3.0 | 1.5 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.4 | 7.0 | 5.1 | 8.0 | 8.5 | 12.0 | 12.5 | 11.7 | 10.8 | 8.5 | 5.6 | 5.4 |
| Precipitation (mm) | 34 | 87 | 172 | 171 | 76 | 78 | 63 | 26 | 58 | 106 | 251 | 127 |
| Sunny days | 12 | 8 | 9 | 6 | 10 | 12 | 21 | 21 | 17 | 20 | 7 | 14 |
| Rainy days | 19 | 20 | 22 | 24 | 21 | 18 | 10 | 10 | 13 | 11 | 23 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bollu during the most sunny months:
The largest precipitation sum in Bollu is at