Tachikawa 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 Tachikawa, Tokyo Prefecture, Japan. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Tachikawa experiences sunny spells throughout the year. The sunniest month, January, sees up to 202 hours of sunshine, while June, the least sunny month, still provides a respectable 127 hours. The total annual sunshine amounts to 2031 hours.

Daily hours of sunshine

This means you will experience moderate variation in sunshine hours throughout the year. With 6.7 hours daily sunshine in January, it dips to 4.2 hours in June.

Tachikawa enjoys an average of 2031 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.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

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

September, Tachikawa’s wettest month, receives 172 mm (6.8 in) of rainfall and has a maximum daytime temperature of 27°C (81°F). During the driest month December you can expect a temperature of 12°C (54°F).

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