Average annual temperature is 18.4 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: -11.4 °C
Number of sunny days: 256 days
Number of rainy days: 92 days
Number of snow days: 17 days
Look at detailed online map of Najjār
* Weather data for Najjār 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) | 14.9 | 19.2 | 23.9 | 26.4 | 30.9 | 38.4 | 43.1 | 41.3 | 40.5 | 30.7 | 24.5 | 20.9 |
| Average daytime temperature (°C) | 9.0 | 8.8 | 17.6 | 20.8 | 26.2 | 33.0 | 39.4 | 39.0 | 35.3 | 26.2 | 19.0 | 15.8 |
| Average temperature (°C) | 3.5 | 3.3 | 12.1 | 15.4 | 20.5 | 27.2 | 32.4 | 32.3 | 28.2 | 20.4 | 14.0 | 10.6 |
| Average night temperature (°C) | -0.9 | -2.7 | 7.1 | 9.5 | 13.9 | 19.3 | 24.2 | 24.2 | 20.6 | 14.5 | 9.2 | 6.1 |
| Absolute minimum temperature (°C) | -8.1 | -11.4 | 0.8 | -0.6 | 7.4 | 16.2 | 20.8 | 20.7 | 17.9 | 10.6 | -1.5 | 2.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 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) | 6.6 | 8.0 | 8.0 | 10.6 | 11.6 | 13.4 | 13.0 | 11.9 | 11.4 | 9.0 | 7.8 | 7.4 |
| Precipitation (mm) | 132 | 68 | 205 | 121 | 42 | 0 | 0 | 0 | 0 | 9 | 109 | 73 |
| Sunny days | 16 | 17 | 10 | 16 | 19 | 28 | 31 | 31 | 29 | 23 | 15 | 21 |
| Rainy days | 8 | 2 | 21 | 13 | 12 | 2 | 0 | 0 | 1 | 8 | 15 | 10 |
| Snow days | 7 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Najjār during the most sunny months:
The largest precipitation sum in Najjār is at