Average annual temperature is 8.6 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -15.8 °C
Number of sunny days: 148 days
Number of rainy days: 192 days
Number of snow days: 25 days
Look at detailed online map of Köstem
* Weather data for Köstem 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) | 10.1 | 11.5 | 14.1 | 15.2 | 22.1 | 23.5 | 30.0 | 34.0 | 24.8 | 21.8 | 17.8 | 11.6 |
| Average daytime temperature (°C) | 4.9 | 1.0 | 6.4 | 9.7 | 13.8 | 18.0 | 22.4 | 26.1 | 20.5 | 16.4 | 9.6 | 7.0 |
| Average temperature (°C) | 0.8 | -2.5 | 2.4 | 5.3 | 9.5 | 13.9 | 17.5 | 20.0 | 14.9 | 11.3 | 6.1 | 3.2 |
| Average night temperature (°C) | -2.5 | -6.6 | -1.8 | 1.2 | 5.5 | 9.4 | 11.9 | 14.2 | 9.9 | 6.5 | 3.0 | 0.4 |
| Absolute minimum temperature (°C) | -5.9 | -15.8 | -13.1 | -5.1 | -1.5 | 5.1 | 8.3 | 11.1 | 5.9 | 1.9 | -7.1 | -4.6 |
| 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 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 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) | 6.8 | 5.9 | 5.5 | 7.3 | 8.8 | 12.0 | 12.9 | 11.8 | 10.8 | 8.8 | 4.8 | 6.1 |
| Precipitation (mm) | 32 | 62 | 152 | 153 | 167 | 129 | 76 | 75 | 23 | 50 | 160 | 83 |
| Sunny days | 19 | 10 | 5 | 4 | 4 | 7 | 15 | 21 | 19 | 19 | 8 | 17 |
| Rainy days | 6 | 3 | 23 | 26 | 27 | 23 | 16 | 10 | 11 | 12 | 21 | 14 |
| Snow days | 6 | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Köstem during the most sunny months:
The largest precipitation sum in Köstem is at