Average annual temperature is 10.6 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -18.1 °C
Number of sunny days: 257 days
Number of rainy days: 92 days
Number of snow days: 16 days
Look at detailed online map of Rīv
* Weather data for Rīv 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) | 4.5 | 10.6 | 14.8 | 18.1 | 22.9 | 29.6 | 35.5 | 34.0 | 31.7 | 22.0 | 16.2 | 12.0 |
| Average daytime temperature (°C) | -0.9 | 1.5 | 9.9 | 13.6 | 18.3 | 25.0 | 31.3 | 30.9 | 27.1 | 18.7 | 11.6 | 7.7 |
| Average temperature (°C) | -5.3 | -4.1 | 4.6 | 8.0 | 12.9 | 19.2 | 24.6 | 24.4 | 20.3 | 12.5 | 6.2 | 2.5 |
| Average night temperature (°C) | -9.8 | -9.8 | -0.2 | 2.0 | 6.7 | 12.7 | 17.7 | 17.6 | 13.8 | 6.9 | 1.5 | -1.6 |
| Absolute minimum temperature (°C) | -17.0 | -18.1 | -7.2 | -7.8 | 1.0 | 8.5 | 14.2 | 12.9 | 10.6 | 4.0 | -7.0 | -5.9 |
| 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 | 10.3 | 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) | 6.1 | 7.8 | 7.8 | 10.8 | 11.8 | 13.5 | 13.0 | 11.8 | 11.4 | 9.1 | 7.7 | 7.0 |
| Precipitation (mm) | 97 | 47 | 172 | 105 | 36 | 2 | 0 | 0 | 0 | 13 | 65 | 62 |
| Sunny days | 17 | 17 | 11 | 16 | 18 | 28 | 31 | 30 | 30 | 22 | 15 | 22 |
| Rainy days | 6 | 3 | 20 | 14 | 13 | 2 | 0 | 1 | 0 | 9 | 15 | 9 |
| Snow days | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rīv during the most sunny months:
The largest precipitation sum in Rīv is at