Average annual temperature is 9.1 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -20.0 °C
Number of sunny days: 213 days
Number of rainy days: 130 days
Number of snow days: 22 days
Look at detailed online map of Gūlān
* Weather data for Gūlān 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) | 3.6 | 9.2 | 14.0 | 18.7 | 22.9 | 30.2 | 33.1 | 32.0 | 31.3 | 20.0 | 15.7 | 9.6 |
| Average daytime temperature (°C) | -0.5 | -0.2 | 9.5 | 13.8 | 18.1 | 24.6 | 27.7 | 28.4 | 22.3 | 15.7 | 10.7 | 5.4 |
| Average temperature (°C) | -4.0 | -5.9 | 4.3 | 7.8 | 12.0 | 18.2 | 21.3 | 22.2 | 16.3 | 9.8 | 5.1 | 0.9 |
| Average night temperature (°C) | -7.8 | -11.2 | -0.4 | 2.1 | 5.8 | 11.6 | 14.5 | 15.6 | 10.5 | 4.9 | 0.8 | -2.6 |
| Absolute minimum temperature (°C) | -15.7 | -20.0 | -5.0 | -4.4 | -2.2 | 8.3 | 11.0 | 11.1 | 6.3 | 1.5 | -4.5 | -7.2 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.1 | 8.6 | 8.6 | 10.4 | 11.4 | 13.4 | 13.4 | 12.0 | 11.2 | 9.8 | 8.2 | 7.4 |
| Precipitation (mm) | 15 | 16 | 74 | 51 | 57 | 15 | 4 | 9 | 7 | 23 | 27 | 21 |
| Sunny days | 24 | 19 | 15 | 11 | 3 | 12 | 24 | 28 | 21 | 18 | 18 | 20 |
| Rainy days | 0 | 0 | 15 | 18 | 28 | 18 | 7 | 3 | 9 | 13 | 11 | 8 |
| Snow days | 7 | 9 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Gūlān during the most sunny months:
The largest precipitation sum in Gūlān is at