Average annual temperature is 18.9 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 287 days
Number of rainy days: 74 days
Number of snow days: 4 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) | 11.0 | 18.3 | 24.4 | 30.6 | 37.7 | 40.6 | 41.8 | 40.9 | 39.3 | 30.7 | 23.7 | 18.7 |
| Average daytime temperature (°C) | 7.1 | 11.0 | 19.2 | 25.1 | 30.5 | 36.1 | 38.9 | 37.0 | 32.9 | 25.9 | 19.1 | 14.6 |
| Average temperature (°C) | 2.1 | 4.7 | 13.1 | 18.7 | 24.2 | 29.8 | 32.9 | 31.3 | 27.0 | 19.6 | 13.2 | 8.9 |
| Average night temperature (°C) | -1.7 | -0.6 | 7.1 | 11.4 | 16.5 | 21.8 | 25.3 | 23.8 | 19.7 | 13.0 | 7.7 | 3.9 |
| Absolute minimum temperature (°C) | -5.3 | -4.9 | 2.9 | 2.4 | 8.4 | 16.1 | 21.5 | 21.0 | 15.9 | 9.9 | 1.0 | 0.2 |
| 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 | 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) | 7.1 | 8.7 | 8.6 | 10.7 | 12.0 | 12.7 | 12.8 | 12.1 | 11.1 | 9.7 | 8.7 | 8.1 |
| Precipitation (mm) | 44 | 35 | 80 | 19 | 8 | 7 | 0 | 0 | 0 | 34 | 29 | 3 |
| Sunny days | 20 | 17 | 15 | 22 | 24 | 24 | 31 | 30 | 29 | 26 | 24 | 25 |
| Rainy days | 9 | 9 | 16 | 8 | 7 | 6 | 0 | 1 | 1 | 5 | 6 | 6 |
| Snow days | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rey during the most sunny months:
The largest precipitation sum in Rey is at