Kawaguchi Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kawaguchi.
Climate overview of Kawaguchi
Kawaguchi, Saitama, Japan, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in August, while winters cool to 10°C (50°F) in January.
The city receives considerable rain/snowfall, with around 1497 mm (59 in) annually. October is the wettest month. The most sunshine falls in January, with an average of 6.7 hours of daily sunshine.
Kawaguchi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kawaguchi — and find the best time to visit.
Monthly Temperature in Kawaguchi
Depending on the time of the year, temperatures range from very warm to chilly in Kawaguchi. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in August to a chilly 10°C (50°F) in the coolest month, January.
Nights vary from 25°C (77°F) in August to around 1°C (34°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kawaguchi
Kawaguchi has a relatively rain/snowy climate with high precipitation levels, averaging 1497 mm (59 in) of rain/snowfall annually. The climate in Kawaguchi shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 205 mm (8.1 in) of precipitation over 16 rainy days.
In contrast, the driest month December offers drier and sunnier days, with around 58 mm (2.3 in) of rainfall over 9 rainy days. For more details, please visit our Kawaguchi 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 Kawaguchi
Kawaguchi offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between January (6.7 hours daily) and June (4.2 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
Best Time to Visit Kawaguchi
Rainfall during this time ranges from 89 mm (3.5 in) in November to 158 mm (6.2 in) in July. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during June, September and October, bringing heavy precipitation. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Kawaguchi
What is the best time to visit Kawaguchi?
April, May, June and November typically offer the most optimal weather in Kawaguchi. In contrast, January tends to have less optimal conditions.
What temperatures can I expect in Kawaguchi?
Daytime highs range from 10°C (50°F) in January to 32°C (90°F) in August. Nighttime lows range from 1°C (34°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Kawaguchi get?
Annual rainfall is around 1497 mm (59 in). October is the wettest month with 205 mm (8.1 in), while December is the driest with 58 mm (2.3 in).
How sunny is Kawaguchi?
Kawaguchi receives around 2,031 hours of sunshine per year. January is the sunniest month with 202 hours, while June is the cloudiest with just 127 hours. Overall, Kawaguchi enjoys abundant sunshine.
Kawaguchi 3-Day Forecast
Kawaguchi 3-Day Forecast
Kawaguchi on the map
Kawaguchi 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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