Koshu Weather in June

In Koshu, June brings high daytime temperatures around 22°C (72°F), with nights cooling to 14°C (57°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in Koshu in June

Koshu is in the rainy season in June, with rain on around 20 days and an average of 223 mm (8.8 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 June

Temperatures in Koshu in June top out at 22°C (72°F) and drop to 14°C (57°F) overnight. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Koshu in June

The area enjoys a moderate level of sunlight, with around 150 hours. It's a good balance between sunny and rainy days.

If you prefer dry days with pleasant temperatures, May typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Koshu Temperature in June

Min Temperature 14°C (57°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 66%  

Precipitation 223 mm (8.8 in)  

Rainy days 20 days  

Humidity 72% *  

Sunshine 150 hours *  

Percentage Sunshine *  

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

What to Wear in Koshu in June

Comfortable temperatures call for an easy wardrobe in June. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Koshu in June

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

Swimming

6/10

Camping

6/10

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.