Shiojiri Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Shiojiri, Nagano Prefecture, Japan. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Across the seasons, sunshine hours in Shiojiri vary. From a high of 209 hours in May, to a low of 128 hours in January, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 1951 hours.

Daily hours of sunshine

Enjoy up to 7.0 hours of daily sun in May, and experience slightly darker atmosphere in January, with about 4.3 hours of daily sunlight.

Shiojiri enjoys an average of 1951 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, 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.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

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

July, Shiojiri’s wettest month, receives 159 mm (6.3 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 5°C (41°F).

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