Karuizawa Sunshine Hours by Month

The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in Karuizawa, Nagano Prefecture, Japan. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Karuizawa Nusa Penida experiences both sunny and cloudy or rainy periods, with some seasonal variation. It receives approximately 209 hours of sunshine in May and 128 hours in January, contributing to a total annual sunshine amount of 1951 hours.

Daily hours of sunshine

The difference in daily sunshine hours between May (7.0 hours per day) and January (4.3 hours per day) offers moderate variety for visitors and residents.

Karuizawa 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, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

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

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

July, Karuizawa’s wettest month, receives 211 mm (8.3 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 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 Karuizawa Precipitation page.