Suwa Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Suwa, Nagano Prefecture, Japan. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Suwa Nusa Penida experiences both sunny and cloudy or rainy periods, with some seasonal variation. It receives approximately 204 hours of sunshine in January and 142 hours in September, contributing to a total annual sunshine amount of 2178 hours.

Daily hours of sunshine

The difference in daily sunshine hours between January (6.8 hours per day) and September (4.7 hours per day) offers moderate variety for visitors and residents.

Suwa enjoys an average of 2178 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, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

July, Suwa’s wettest month, receives 129 mm (5.1 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 Suwa Precipitation page.