Average annual temperature is 18.7 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: -8.3 °C
Number of sunny days: 295 days
Number of rainy days: 69 days
Number of snow days: 1 day
Look at detailed online map of Rāhnūyeh
* Weather data for Rāhnūyeh 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) | 13.9 | 18.2 | 22.4 | 27.0 | 36.2 | 39.0 | 40.9 | 39.2 | 38.3 | 31.9 | 23.6 | 18.9 |
| Average daytime temperature (°C) | 8.3 | 13.7 | 18.5 | 23.9 | 29.9 | 36.2 | 38.6 | 35.6 | 34.0 | 27.5 | 19.3 | 16.1 |
| Average temperature (°C) | 3.3 | 8.4 | 12.3 | 17.2 | 23.0 | 29.1 | 31.3 | 28.6 | 26.9 | 20.9 | 13.2 | 9.7 |
| Average night temperature (°C) | -1.3 | 3.1 | 5.3 | 9.7 | 14.9 | 20.4 | 22.5 | 20.5 | 18.4 | 12.8 | 6.7 | 3.3 |
| Absolute minimum temperature (°C) | -8.3 | -3.1 | 0.7 | 2.2 | 9.5 | 18.3 | 18.7 | 17.0 | 14.2 | 8.8 | 3.3 | -0.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.7 | 14.0 | 13.9 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.8 | 8.0 | 9.8 | 11.0 | 12.0 | 12.9 | 12.4 | 11.6 | 11.1 | 10.3 | 9.3 | 8.8 |
| Precipitation (mm) | 71 | 121 | 38 | 8 | 11 | 1 | 0 | 0 | 0 | 0 | 31 | 7 |
| Sunny days | 18 | 15 | 19 | 20 | 27 | 29 | 31 | 30 | 30 | 30 | 21 | 25 |
| Rainy days | 12 | 13 | 12 | 10 | 4 | 1 | 0 | 1 | 0 | 1 | 9 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rāhnūyeh is at