Zao Onsen 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 Zao Onsen, Yamagata, Japan. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Across the seasons, sunshine hours in Zao Onsen vary. From a high of 195 hours in April, to a low of 124 hours in July, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 1843 hours.

Daily hours of sunshine

Enjoy up to 6.5 hours of daily sun in April, and experience slightly darker atmosphere in July, with about 4.1 hours of daily sunlight.

Average percent of sunshine

On average the sun shines 51% of the time during the day in March, the highest percentage of any month. July has the lowest percentage at 28%.

Zao Onsen enjoys an average of 1843 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.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

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

July, Zao Onsen’s wettest month, receives 162 mm (6.4 in) of rainfall and has a maximum daytime temperature of 27°C (81°F). During the driest month November you can expect a temperature of 12°C (54°F).

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