Chase the autumn leaves in Japan
Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.
Yamaguchi Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Yamaguchi.
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10-day forecastForecast
Climate overview of Yamaguchi
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. However, this rain/snowfall is not evenly distributed, the city has very warm summers and cold winters. The wettest month is July. The most sunshine falls in May, with an average of 6.9 hours of daily sunshine.
Yamaguchi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Yamaguchi - and find the best time to visit.
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. 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
Data from: Kitakyushu, Japan (74 KM, 46 Miles).
Daily hours of sunshine
Data from: Kitakyushu, Japan (74 KM, 46 Miles).
Best Time to Visit Yamaguchi
Conditions in Yamaguchi are generally most comfortable in April, May, October and November. They are typically least comfortable in January, June and July.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
mixed
Mar
mixed
Apr
very good
May
very good
Jun
very wet
Jul
very wet
Aug
mixed
Sep
good
Oct
very good
Nov
very good
Dec
mixed
- Best overall: April, May, October and November
- Warmest weather: July and August
- Most sunshine: May and August
- Fewer rainy days: April, May, August, October and November
- Wettest months: May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: Very warm summers and cold winters
Frequently asked questions about the climate in Yamaguchi
What is the best time to visit Yamaguchi?
April, May, October and November typically offer the most optimal weather in Yamaguchi. In contrast, January, June and July tend to have less optimal conditions. Yamaguchi has very warm summers and cold winters.
What temperatures can I expect in Yamaguchi?
Daytime highs range from 10°C (50°F) in January to 32°C (90°F) in August. Nighttime lows range from 2°C (36°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Yamaguchi get?
Annual rainfall is around 1731 mm (68 in). July is the wettest month with 278 mm (11 in), while December is the driest with 71 mm (2.8 in).
How sunny is Yamaguchi?
Yamaguchi receives around 1,856 hours of sunshine per year. May is the sunniest month with 207 hours, while January is the cloudiest with just 104 hours.
Yamaguchi 3-Day Forecast
Yamaguchi on the map
Yamaguchi is highlighted - select any city to see its climate.
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