Average annual temperature is 14.5 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: -8.4 °C
Number of sunny days: 268 days
Number of rainy days: 91 days
Number of snow days: 6 days
Look at detailed online map of Bī Nahr-e ‘Olyā
* Weather data for Bī Nahr-e ‘Olyā 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) | 9.4 | 16.7 | 20.9 | 23.7 | 28.8 | 36.0 | 40.5 | 39.1 | 36.7 | 27.7 | 22.3 | 16.5 |
| Average daytime temperature (°C) | 6.3 | 8.4 | 15.1 | 18.8 | 24.4 | 31.0 | 36.8 | 36.4 | 32.4 | 23.6 | 16.6 | 12.7 |
| Average temperature (°C) | 1.3 | 1.7 | 8.7 | 11.7 | 17.0 | 23.1 | 27.7 | 27.8 | 23.1 | 15.4 | 9.8 | 6.1 |
| Average night temperature (°C) | -2.9 | -3.8 | 2.9 | 4.8 | 9.2 | 13.7 | 18.1 | 18.8 | 14.5 | 8.5 | 4.3 | 1.2 |
| Absolute minimum temperature (°C) | -6.5 | -8.4 | -2.8 | -5.0 | 0.5 | 10.3 | 14.1 | 14.4 | 11.2 | 6.3 | -2.4 | -2.2 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 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) | 6.9 | 8.8 | 8.3 | 10.9 | 11.5 | 13.4 | 13.0 | 11.8 | 11.5 | 8.9 | 8.1 | 7.3 |
| Precipitation (mm) | 97 | 17 | 96 | 67 | 14 | 1 | 0 | 0 | 0 | 12 | 53 | 45 |
| Sunny days | 18 | 18 | 12 | 20 | 20 | 29 | 31 | 31 | 30 | 23 | 16 | 20 |
| Rainy days | 11 | 6 | 19 | 10 | 11 | 1 | 0 | 0 | 0 | 8 | 14 | 11 |
| Snow days | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bī Nahr-e ‘Olyā during the most sunny months:
The largest precipitation sum in Bī Nahr-e ‘Olyā is at