Average Monthly Sunshine in Joetsu

The graphs on this page shows the average number of hours per month and per day that Joetsu receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Joetsu. Expect long, bright days with 198 hours in May and darker periods with just 67 hours in January. The total annual amount of sun is 1602 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Joetsu. While May receives considerable daily sunshine with up to 6.6 hours, January marks the darkest time of the year, where sunshine is scarce with only 2.2 hours of sunlight per day.

Joetsu’s total hours of sunshine compared to other major cities

Joetsu enjoys an average of 1602 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

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

Other climate information

January, Joetsu’s wettest month, receives 159 mm of snow/rainfall and has a maximum daytime temperature of 6°C. During the driest month May you can expect a temperature of 21°C.

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