Oshino Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Oshino.
Climate overview of Oshino
Temperatures in Oshino, Yamanashi, Japan, vary greatly throughout the year. August is the hottest month at 29°C (84°F), while January is the coldest at 7°C (45°F).
The city receives considerable rain/snowfall, with around 2076 mm (82 in) annually. September is the wettest month. It has a distinct rainy season from April to October, with warm summers and cold winters.
Oshino Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Oshino - and find the best time to visit.
Monthly Temperature in Oshino
The climate in Oshino is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in August to a chilly 7°C (45°F) in the coolest month, January.
Nights vary from 20°C (68°F) in August to around -3°C (27°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Oshino
Oshino has a notably wet climate with abundant precipitation, recording 2076 mm (82 in) of rain/snowfall per year. The climate in Oshino shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 266 mm (10 in) of precipitation over 19 rainy days.
In contrast, the driest month December offers drier and sunnier days, with around 82 mm (3.2 in) of rainfall over 10 rainy days. For more details, please visit our Oshino 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 Oshino by Month
The relative humidity is high throughout the year in Oshino.
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 Oshino
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May
- Warmest weather: July and August
- Fewest rainy days: January, November and December
- Seasonal pattern: A distinct rainy season from April to October, with warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Oshino
What is the best time to visit Oshino?
May typically offers the most optimal weather in Oshino. In contrast, January, February, March, September and December tend to have less optimal conditions. Oshino has a distinct rainy season from April to October, with warm summers and cold winters.
What temperatures can I expect in Oshino?
Daytime highs range from 7°C (45°F) in January to 29°C (84°F) in August. Nighttime lows range from -3°C (27°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Oshino get?
Annual rainfall is around 2076 mm (82 in). September is the wettest month with 266 mm (10 in), while December is the driest with 82 mm (3.2 in).
Oshino 3-Day Forecast
Oshino on the map
Oshino is highlighted - select any city to see its climate.
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