Hamadān Weather & Climate: Best Time to Visit
Hamadān, Iran, sees big temperature differences between seasons, with July peaking at 35°C (95°F) and January dropping to 3°C (37°F).
With around 441 mm (17 in) of annual rain/snowfall, Hamadān has a fairly dry climate. However, it has a distinct dry season from June to October. The wettest month is March, while August sees the least rain. The most sunshine falls in July, with an average of 11.3 hours of daily sunshine.
Monthly Temperature in Hamadān
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
Rainfall in Hamadān
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 days. For more details, please visit our Hamadān Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Hamadān
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
Humidity in Hamadān by Month
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
Hamadān 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Hamadān
During May, September and October, Hamadān experiences its most favorable weather, with temperatures between 22°C (71°F) and 30°C (86°F). These mild conditions make it an excellent time for a visit.The weather does bring rainfall during this period, between 3 mm (0.1 in) and 41 mm (1.6 in). Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.