Average annual temperature is 19.5 °C
Absolute maximum temperature: 42.8 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 291 days
Number of rainy days: 69 days
Number of snow days: 5 days
Look at detailed online map of Rey
* Weather data for Rey 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) | 11.7 | 20.0 | 26.7 | 32.0 | 38.5 | 41.3 | 42.8 | 41.9 | 39.6 | 32.6 | 23.9 | 19.6 |
| Average daytime temperature (°C) | 7.8 | 11.7 | 20.3 | 26.7 | 31.5 | 37.0 | 39.6 | 37.7 | 33.5 | 27.1 | 19.6 | 14.9 |
| Average temperature (°C) | 2.6 | 5.6 | 14.3 | 20.4 | 25.1 | 30.2 | 33.0 | 31.9 | 27.0 | 20.8 | 13.7 | 9.0 |
| Average night temperature (°C) | -1.8 | 0.0 | 8.3 | 12.9 | 17.2 | 21.8 | 24.6 | 24.8 | 19.5 | 14.1 | 7.8 | 3.2 |
| Absolute minimum temperature (°C) | -4.6 | -4.8 | 4.2 | 3.7 | 9.2 | 16.8 | 20.2 | 20.8 | 15.6 | 11.3 | 0.6 | 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 | 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 8.9 | 8.5 | 10.7 | 11.9 | 12.6 | 12.6 | 11.9 | 11.0 | 9.7 | 8.7 | 8.1 |
| Precipitation (mm) | 45 | 25 | 65 | 12 | 7 | 10 | 0 | 0 | 0 | 8 | 29 | 6 |
| Sunny days | 20 | 17 | 15 | 26 | 22 | 25 | 31 | 31 | 29 | 23 | 25 | 27 |
| Rainy days | 8 | 9 | 16 | 4 | 9 | 5 | 0 | 0 | 1 | 8 | 5 | 4 |
| Snow days | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rey is at