Average Monthly Sunshine in Katmandu

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

Monthly hours of sunshine

Sunshine in Katmandu varies greatly throughout the year. The sunniest month, March, reaches an impressive 260 hours, while September, the darkest month, offers only 133 hours. The total annual amount of sun is 2547 hours.

Daily hours of sunshine

In Katmandu, summer days are longer and more sunny, with daily sunshine hours peaking at 8.7 hours in March. As the darker season arrives, the brightness of the sun becomes less. September sees a soft sun for only 4.4 hours per day.

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

Katmandu enjoys an average of 2547 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

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.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

Other climate information

July, Katmandu’s wettest month, receives 463 mm of rainfall and has a maximum daytime temperature of 26°C. During the driest month December you can expect a temperature of 18°C.

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