Hamadān Weather & Climate: Best Time to Visit

Visitors to Hamadān can expect significant temperature changes throughout the year. Average daytime temperatures reach a very hot 35°C (95°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).

At night, temperatures range from around 19°C (66°F) in July to -6°C (21°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Hamadān's climate is marked by below-average rain/snowfall, accumulating 441 mm (17 in) of precipitation yearly. Hamadān can be quite wet during March, receiving approximately 78 mm (3.1 in) of precipitation over 13 rainy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 1.7 mm (0.1 in) of precipitation spread across a single rainy day. For more details, please visit our Hamadān Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Hamadān can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.3 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 4.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is moderate throughout the year in Hamadān.

The city experiences its highest humidity in January, reaching 77%. In August, the humidity drops to its lowest level at 35%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year