Average Monthly Sunshine in Tehran

The graphs on this page shows the average number of hours per month and per day that Tehran receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Sunshine in Tehran varies greatly throughout the year. The sunniest month, June, reaches an impressive 349 hours, while December, the darkest month, offers only 171 hours. The total annual amount of sun is 3024 hours.

Daily hours of sunshine

In Tehran, summer days are longer and more sunny, with daily sunshine hours peaking at 11.6 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.7 hours per day.

Tehran’s total hours of sunshine compared to other major cities

Tehran enjoys an average of 3024 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

Other climate information

March, Tehran’s wettest month, receives 3.8 mm of rainfall and has a maximum daytime temperature of 12°C. During the driest month August you can expect a temperature of 34°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Tehran Precipitation page.