Nanao Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Nanao.

Climate overview of Nanao

Nanao, Ishikawa, Japan, sees big temperature differences between seasons, with August peaking at 32°C (90°F) and January dropping to 8°C (46°F).

Rain/snowfall is high, totalling around 1927 mm (76 in) per year. July is the wettest month and May the driest. The city also experiences a distinct rainy season from June to September, with very warm summers and cold winters. The most sunshine falls in May, with an average of 7.0 hours of daily sunshine.

Nanao Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Nanao - and find the best time to visit.

Monthly Temperature in Nanao

Visitors to Nanao can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 32°C (90°F) in August, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.

At night, you can expect temperatures ranging from 25°C (77°F) in August to around 2°C (36°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Nanao

Nanao is known for its substantial rain/snowfall, with annual precipitation reaching 1927 mm (76 in). While rainfall varies throughout the year, each season offers its own charm. July brings wetter days averaging 248 mm (9.8 in) of precipitation, spread over 18 rainy days.

In contrast, the driest month May experiences a drier climate, with about 122 mm (4.8 in) of rainfall spread across 16 rainy days. For more details, please visit our Nanao Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Nanao

Seasonal changes in sunshine hours are quite dramatic in Nanao. While May receives considerable daily sunshine with up to 7.0 hours, January marks the darkest time of the year, where sunshine is scarce with only 1.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Wajima, Japan (37 KM, 23 Miles).

Daily hours of sunshine

Data from: Wajima, Japan (37 KM, 23 Miles).

Humidity in Nanao by Month

Best Time to Visit Nanao

For comfortable weather, consider visiting Nanao in May, June and October. Conditions are usually least favourable in January, February, March, July and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May, June and October
  • Warmest weather: August
  • Most sunshine: May and August
  • Seasonal pattern: A distinct rainy season from June to September, with very warm summers and cold winters

Frequently asked questions about the climate in Nanao

What is the best time to visit Nanao?

May, June and October typically offer the most optimal weather in Nanao. In contrast, January, February, March, July and December tend to have less optimal conditions. Nanao has a distinct rainy season from June to September, with very warm summers and cold winters.

What temperatures can I expect in Nanao?

Daytime highs range from 8°C (46°F) in January to 32°C (90°F) in August. Nighttime lows range from 2°C (36°F) to 25°C (77°F). Temperatures vary considerably through the year.

How much rain does Nanao get?

Annual rainfall is around 1927 mm (76 in). July is the wettest month with 248 mm (9.8 in), while May is the driest with 122 mm (4.8 in).

How sunny is Nanao?

Nanao receives around 1,587 hours of sunshine per year. May is the sunniest month with 211 hours, while January is the cloudiest with just 43 hours.

Nanao 3-Day Forecast

Nanao on the map

Nanao is highlighted - select any city to see its climate.

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