Koshu Weather in August

Thinking of visiting Koshu in August? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 19°C (66°F) at night. Heavy showers are common during the rainy season.

Rainfall in Koshu in August

As part of the rainy season, Koshu sees around 19 days of rain in August, with an average of 192 mm (7.6 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Koshu in August

August in Koshu brings typical temperatures with highs around 27°C (81°F) and lows of 19°C (66°F). This month falls in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 19°C (66°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.

Sunshine in Koshu in August

Expect a lot of sunshine this month, with about 201 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

If your ideal day consists of dry skies and pleasant temperatures, May typically offers the best circumstances for Koshu.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Koshu's climate page.

Koshu Temperature in August

Min Temperature 19°C (66°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 64%  

Precipitation 192 mm (7.6 in)  

Rainy days 19 days  

Humidity 70% *  

Sunshine 201 hours *  

Percentage Sunshine *  

* Data from: Yamanashi, Japan (4 KM, 2 Miles).

What to Wear in Koshu in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Koshu in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Koshu's climate page.

More climate data for Koshu

Temperature Rainfall Sunshine Humidity

See the full Koshu climate overview or explore weather in Japan.