Yamaguchi Weather & Climate: Best Time to Visit
The climate in Yamaguchi, Yamaguchi, Japan, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in August to 10°C (50°F) in January.
With around 1731 mm (68 in) of annual rain/snowfall, Yamaguchi has a notably wet climate. The wettest month is July. The most sunshine falls in May, with an average of 6.9 hours of daily sunshine.
Monthly Temperature in Yamaguchi
In Yamaguchi, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 32°C (90°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).
At night, temperatures range from around 24°C (75°F) in August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Yamaguchi
Yamaguchi experiences significant rain/snowfall throughout the year, averaging 1731 mm (68 in) of precipitation annually. Yamaguchi can be quite wet during July, receiving approximately 278 mm (11 in) of precipitation over 18 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 71 mm (2.8 in) of precipitation spread across 20 rainy days days. For more details, please visit our Yamaguchi 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 Yamaguchi
Yamaguchi can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.9 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 3.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Yamaguchi 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Yamaguchi
The best time to visit Yamaguchi is during April, October and November, when the weather provides comfortable temperatures between 18°C (65°F) and 24°C (75°F). With rainfall of 79 mm (3.1 in) to 142 mm (5.6 in), you can expect pleasant weather during your visit in these months.Be prepared for heavier rainfall during June, July, August and September, the wettest period of the year. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
