Average annual temperature is 19.8 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 301 days
Number of rainy days: 59 days
Number of snow days: 5 days
Look at detailed online map of Ostūj
* Weather data for Ostūj 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) | 12.8 | 19.8 | 28.0 | 31.6 | 37.3 | 41.7 | 43.1 | 42.7 | 39.5 | 33.6 | 26.1 | 20.8 |
| Average daytime temperature (°C) | 7.5 | 11.3 | 21.0 | 26.6 | 32.0 | 37.2 | 39.8 | 38.2 | 34.1 | 27.5 | 20.4 | 15.6 |
| Average temperature (°C) | 2.8 | 5.6 | 14.6 | 20.0 | 25.0 | 30.5 | 33.6 | 31.9 | 27.6 | 21.1 | 14.4 | 9.7 |
| Average night temperature (°C) | -0.9 | 0.9 | 9.0 | 12.9 | 17.7 | 23.4 | 26.2 | 24.7 | 20.4 | 14.9 | 8.8 | 4.6 |
| Absolute minimum temperature (°C) | -4.1 | -3.3 | 6.0 | 4.9 | 12.2 | 17.9 | 22.9 | 20.5 | 15.6 | 12.1 | 3.4 | 0.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 8.9 | 8.9 | 10.7 | 11.7 | 12.6 | 12.6 | 11.9 | 11.1 | 9.6 | 8.7 | 8.3 |
| Precipitation (mm) | 39 | 28 | 34 | 14 | 3 | 1 | 0 | 0 | 0 | 3 | 17 | 11 |
| Sunny days | 20 | 19 | 19 | 24 | 21 | 26 | 31 | 30 | 30 | 27 | 27 | 27 |
| Rainy days | 8 | 7 | 12 | 6 | 10 | 4 | 0 | 1 | 0 | 4 | 3 | 4 |
| Snow days | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ostūj is at