Average annual temperature is 9.4 °C
Absolute maximum temperature: 28.0 °C
Absolute minimum temperature: -14.5 °C
Number of sunny days: 153 days
Number of rainy days: 193 days
Number of snow days: 19 days
Look at detailed online map of Tetlī
* Weather data for Tetlī Iran is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.5 | 10.7 | 19.0 | 21.9 | 26.4 | 27.6 | 28.0 | 24.4 | 25.2 | 24.2 | 18.1 | 15.1 |
| Average daytime temperature (°C) | 0.1 | 2.3 | 11.3 | 14.9 | 17.4 | 18.7 | 18.9 | 21.4 | 16.9 | 16.1 | 13.9 | 9.5 |
| Average temperature (°C) | -2.8 | -1.5 | 6.7 | 10.2 | 12.9 | 15.0 | 15.9 | 17.4 | 13.3 | 11.7 | 8.9 | 4.6 |
| Average night temperature (°C) | -5.7 | -5.4 | 2.4 | 5.4 | 8.4 | 10.9 | 12.9 | 13.4 | 10.5 | 7.3 | 4.9 | 0.6 |
| Absolute minimum temperature (°C) | -12.4 | -14.5 | -2.6 | -4.8 | -0.5 | 7.2 | 10.3 | 10.7 | 6.6 | 4.4 | -2.5 | -5.2 |
| 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 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 5.7 | 8.0 | 7.8 | 10.3 | 10.3 | 10.4 | 7.7 | 10.3 | 7.4 | 8.3 | 7.8 | 7.3 |
| Precipitation (mm) | 97 | 67 | 302 | 61 | 132 | 118 | 110 | 65 | 112 | 95 | 62 | 29 |
| Sunny days | 16 | 18 | 15 | 10 | 6 | 8 | 9 | 19 | 5 | 10 | 19 | 18 |
| Rainy days | 4 | 4 | 16 | 19 | 25 | 22 | 22 | 12 | 25 | 21 | 11 | 12 |
| Snow days | 11 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Tetlī is at