Koshu 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 Koshu, Yamanashi, Japan. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Koshu experiences sunny spells throughout the year. The sunniest month, August, sees up to 201 hours of sunshine, while June, the least sunny month, still provides a respectable 150 hours. The total annual sunshine amounts to 2097 hours.

Daily hours of sunshine

The difference in daily sunshine hours between August (6.7 hours per day) and June (5.0 hours per day) offers moderate variety for visitors and residents.

Koshu enjoys an average of 2097 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

September, Koshu’s wettest month, receives 192 mm (7.6 in) of rainfall and has a maximum daytime temperature of 23°C (73°F). During the driest month December you can expect a temperature of 7°C (45°F).

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