Average annual temperature is 16.1 °C
Absolute maximum temperature: 42.4 °C
Absolute minimum temperature: -2.7 °C
Number of sunny days: 164 days
Number of rainy days: 201 days
Look at detailed online map of İzmit
* Weather data for İzmit 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) | 20.6 | 22.6 | 23.2 | 25.6 | 28.0 | 30.2 | 42.4 | 37.3 | 33.9 | 29.3 | 29.6 | 23.4 |
| Average daytime temperature (°C) | 13.4 | 11.3 | 14.2 | 17.5 | 20.6 | 25.7 | 31.6 | 32.8 | 28.4 | 23.8 | 19.1 | 15.4 |
| Average temperature (°C) | 9.1 | 7.1 | 10.0 | 12.8 | 16.1 | 20.9 | 25.2 | 26.3 | 22.4 | 18.1 | 14.1 | 10.5 |
| Average night temperature (°C) | 5.4 | 3.2 | 6.5 | 8.6 | 12.4 | 16.8 | 18.6 | 20.8 | 17.7 | 13.4 | 9.2 | 6.4 |
| Absolute minimum temperature (°C) | 1.9 | -2.7 | -0.4 | 4.5 | 9.1 | 14.3 | 13.2 | 18.3 | 13.7 | 9.3 | 0.2 | -0.5 |
| 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 | 10.7 | 11.9 | 13.3 | 14.5 | 15.0 | 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) | 6.1 | 6.6 | 5.4 | 8.1 | 8.4 | 11.4 | 12.9 | 11.2 | 10.8 | 8.4 | 5.6 | 5.8 |
| Precipitation (mm) | 40 | 105 | 185 | 131 | 75 | 99 | 48 | 21 | 35 | 70 | 191 | 101 |
| Sunny days | 14 | 10 | 9 | 8 | 8 | 11 | 20 | 20 | 16 | 21 | 8 | 19 |
| Rainy days | 17 | 18 | 22 | 22 | 23 | 19 | 11 | 11 | 14 | 10 | 22 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit İzmit during the most sunny months:
The largest precipitation sum in İzmit is at