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.
Yamagata Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Yamagata.
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Climate overview of Yamagata
Temperatures in Yamagata, Yamagata, Japan, vary greatly throughout the year. August is the hottest month at 28°C (82°F), while January is the coldest at 3°C (37°F).
With around 1496 mm (59 in) of annual rain/snowfall, Yamagata has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and cold winters. The wettest month is July. Sunshine peaks in April, when the city sees around 6.5 hours of sunshine per day.
Yamagata Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Yamagata - and find the best time to visit.
Monthly Temperature in Yamagata
The climate in Yamagata is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 28°C (82°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).
At night, temperatures range from around 20°C (68°F) in August to -5°C (23°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Yamagata
Yamagata has a notably wet climate with abundant precipitation, recording 1496 mm (59 in) of rain/snowfall per year. Yamagata experiences moderate seasonal variation in rainfall, with monthly averages ranging from 192 mm (7.6 in) in July, the wettest month, and 93 mm (3.7 in) in November, the driest month. For more details, please visit our Yamagata 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 Yamagata
Yamagata experiences moderate variation in sunshine hours across the seasons. With 6.5 hours daily sunshine in April, it dips to 4.1 hours in July, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Sendai, Japan (48 KM, 30 Miles).
Daily hours of sunshine
Data from: Sendai, Japan (48 KM, 30 Miles).
Daily percentage of sunshine
Data from: Sendai, Japan (48 KM, 30 Miles).
Humidity in Yamagata by Month
The relative humidity is high throughout the year in Yamagata.
The city experiences its highest humidity in July, reaching 84%. In March, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Sendai, Japan (48 KM, 30 Miles).
Best Time to Visit Yamagata
Conditions in Yamagata are generally most comfortable in May. They are typically least comfortable in January, February, March and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
wet
Apr
mixed
May
excellent
Jun
very good
Jul
good
Aug
very good
Sep
very good
Oct
good
Nov
mixed
Dec
wet
- Best overall: May
- Warmest weather: July and August
- Most sunshine: April and May
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Yamagata
What is the best time to visit Yamagata?
May typically offers the most optimal weather in Yamagata. In contrast, January, February, March and December tend to have less optimal conditions. Yamagata has warm summers and cold winters.
What temperatures can I expect in Yamagata?
Daytime highs range from 3°C (37°F) in January to 28°C (82°F) in August. Nighttime lows range from -5°C (23°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Yamagata get?
Annual rainfall is around 1496 mm (59 in). July is the wettest month with 192 mm (7.6 in), while November is the driest with 93 mm (3.7 in).
How sunny is Yamagata?
Yamagata receives around 1,843 hours of sunshine per year. April is the sunniest month with 195 hours, while July is the cloudiest with just 124 hours.
Yamagata 3-Day Forecast
Yamagata on the map
Yamagata is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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