Average annual temperature is 16.0 °C
Absolute maximum temperature: 28.7 °C
Absolute minimum temperature: -2.7 °C
Number of sunny days: 165 days
Number of rainy days: 200 days
Look at detailed online map of Giresun
* Weather data for Giresun 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) | 17.9 | 19.6 | 22.0 | 22.6 | 22.7 | 24.9 | 28.4 | 28.7 | 27.0 | 26.2 | 25.3 | 21.0 |
| Average daytime temperature (°C) | 11.8 | 9.9 | 12.4 | 15.8 | 16.8 | 22.1 | 24.6 | 26.5 | 23.2 | 20.5 | 19.3 | 14.9 |
| Average temperature (°C) | 8.8 | 6.6 | 9.5 | 12.8 | 14.4 | 20.1 | 23.4 | 25.3 | 21.9 | 18.6 | 16.5 | 13.0 |
| Average night temperature (°C) | 5.4 | 2.9 | 6.8 | 9.3 | 11.6 | 17.8 | 21.8 | 24.0 | 20.5 | 17.0 | 14.0 | 11.2 |
| Absolute minimum temperature (°C) | 2.0 | -2.7 | 2.2 | 2.6 | 8.0 | 15.9 | 19.4 | 22.2 | 17.6 | 13.9 | 6.7 | 5.0 |
| 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) | 7.0 | 5.3 | 5.6 | 7.6 | 9.4 | 10.4 | 12.1 | 10.9 | 10.2 | 7.8 | 6.3 | 4.6 |
| Precipitation (mm) | 48 | 138 | 167 | 172 | 80 | 165 | 145 | 32 | 35 | 167 | 128 | 109 |
| Sunny days | 20 | 12 | 7 | 8 | 11 | 6 | 18 | 22 | 17 | 18 | 10 | 16 |
| Rainy days | 11 | 16 | 24 | 22 | 20 | 24 | 13 | 9 | 13 | 13 | 20 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Giresun during the most sunny months:
The largest precipitation sum in Giresun is at