Naoshima Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Naoshima.
Climate overview of Naoshima
The climate in Naoshima, Kagawa, Japan, is marked by significant temperature swings throughout the year. Temperatures range from very warm during the warmest months to cold in the cooler months. It also experiences heavy rainfall and occasional snowfall during winter. The island's world-class contemporary art museums built into the landscape create a unique fusion of nature and culture. The iconic yellow pumpkin sculptures and underground galleries make it a pilgrimage site for art enthusiasts seeking something completely different from traditional Japanese tourism.
Naoshima Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Naoshima - and find the best time to visit.
Monthly Temperature in Naoshima
In Naoshima, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in August to a chilly 8°C (46°F) in the coolest month, January.
Nights vary from 25°C (77°F) in August to around 2°C (36°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Naoshima
Naoshima experiences significant rain/snowfall throughout the year, averaging 1339 mm (53 in) of precipitation annually. The climate in Naoshima shows significant variation throughout the year. Expect heavy snowfall in September, the wettest month, with an average of 233 mm (9.2 in) of precipitation over 14 snowy days.
In contrast, the driest month November offers drier and sunnier days, with around 55 mm (2.2 in) of snowfall over 6 snowy days. For more details, please visit our Naoshima Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Naoshima
Naoshima offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (6.9 hours daily) and February (4.8 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Naoshima by Month
The relative humidity is high throughout the year in Naoshima.
The city experiences its highest humidity in July, reaching 74%. In April, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Naoshima
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, July and October
- Warmest weather: August
- Most sunshine: May and August
- Fewer rainy days: January, February, May, November and December
- Wettest months: June, July, August, September and October, when rainfall is highest.
- Seasonal pattern: Very warm summers and cold winters
Frequently asked questions about the climate in Naoshima
What is the best time to visit Naoshima?
May, June, July and October typically offer the most optimal weather in Naoshima. In contrast, January and February tend to have less optimal conditions. Naoshima has very warm summers and cold winters.
What temperatures can I expect in Naoshima?
Daytime highs range from 8°C (46°F) in January to 31°C (88°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 Naoshima get?
Annual rainfall is around 1339 mm (53 in). September is the wettest month with 233 mm (9.2 in), while November is the driest with 55 mm (2.2 in). In the coldest months, precipitation may fall as snow.
How sunny is Naoshima?
Naoshima receives around 2,041 hours of sunshine per year. May is the sunniest month with 206 hours, while February is the cloudiest with just 144 hours. Overall, Naoshima enjoys abundant sunshine.
Naoshima 3-Day Forecast
Naoshima on the map
Naoshima is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Osaka
32°C (90°F) Tokyo30°C (86°F) Naha
30°C (86°F) Kyoto31°C (88°F) Hakone28°C (82°F) Hakuba26°C (79°F) Sapporo24°C (75°F) Niseko24°C (75°F) 
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