Tehran Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Tehran, Iran. The figures are based on a 30-year period (1990–2020) 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

For those who appreciate different seasons, Tehran serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 11.6 hours of sunshine daily, and embrace the darker days in December, offering only 5.7 hours of daily sunlight.

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, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

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

March, Tehran’s wettest month, receives 3.8 mm (0.1 in) of rainfall and has a maximum daytime temperature of 12°C (54°F). During the driest month August you can expect a temperature of 34°C (93°F).

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.