Hakone Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hakone.
Climate overview of Hakone
Hakone, located in the mountains of Kanagawa Prefecture, Japan, is well known for its hot springs, lake views, and close-up sights of Mount Fuji. The weather changes noticeably with the seasons. Summers are warm and inviting, while winters can get quite cold and snowy. Rainfall is frequent throughout the year, helping maintain the region’s greenery. Let’s take a closer look at the local climate.
Hakone Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hakone - and find the best time to visit.
Monthly Temperature in Hakone
In Hakone, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in August to a chilly 9°C (48°F) in the coolest month, January.
Nights vary from 23°C (73°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 Hakone
Hakone experiences significant rain/snowfall throughout the year, averaging 2221 mm (87 in) of precipitation annually. The climate in Hakone shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 272 mm (11 in) of precipitation over 19 rainy days.
In contrast, the driest month December offers drier and sunnier days, with around 94 mm (3.7 in) of rainfall over 8 rainy days. For more details, please visit our Hakone Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Hakone by Month
The relative humidity is high throughout the year in Hakone.
The city experiences its highest humidity in July, reaching 79%. In December, the humidity drops to its lowest level at 47%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Hakone
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and August
- Warmest weather: July and August
- Fewest rainy days: January and December
- Seasonal pattern: A distinct rainy season from March to October, with warm summers and cold winters
Frequently asked questions about the climate in Hakone
What is the best time to visit Hakone?
May and August typically offer the most optimal weather in Hakone. In contrast, January, February, March, April, September and October tend to have less optimal conditions. Hakone has a distinct rainy season from March to October, with warm summers and cold winters.
What temperatures can I expect in Hakone?
Daytime highs range from 9°C (48°F) in January to 29°C (84°F) in August. Nighttime lows range from 2°C (36°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Hakone get?
Annual rainfall is around 2221 mm (87 in). September is the wettest month with 272 mm (11 in), while December is the driest with 94 mm (3.7 in).
Hakone 3-Day Forecast
Hakone on the map
Hakone 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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