Shimo-suwa 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 Shimo-suwa, Nagano Prefecture, Japan. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Across the seasons, sunshine hours in Shimo-suwa vary. From a high of 204 hours in January, to a low of 142 hours in September, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 2178 hours.

Daily hours of sunshine

This means you can enjoy sunny spells year-round. January sees up to 6.8 hours of daily sunshine, perfect for a sunny trip. September, the least sunny month, still offers a generous 4.7 hours of sun despite this cloudier / rainier time of the year.

Shimo-suwa enjoys an average of 2178 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

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

July, Shimo-suwa’s wettest month, receives 133 mm (5.2 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 6°C (43°F).

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