Joetsu Weather in August

During August, Joetsu experiences very high daytime temperatures of 30°C (86°F) and cooler nights around 23°C (73°F). Expect quite a bit of rainfall. Around 159 mm (6.3 in) is typical.

Rainfall in Joetsu in August

Rain is expected on roughly 17 days, totalling around 159 mm (6.3 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Joetsu in August

Temperatures in Joetsu in August top out at 30°C (86°F) and drop to 23°C (73°F) overnight. It's usually most comfortable outside during the morning and later in the day. With overnight lows of 23°C (73°F), evenings stay pleasantly warm. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.

Sunshine in Joetsu in August

The days are predominantly sunny, with an estimated total of around 197 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer enjoying temperate temperatures and rain-free days, May, June and October typically offer 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.

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 Joetsu's climate page.

Joetsu Temperature in August

Min Temperature 23°C (73°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 58%  

Precipitation 159 mm (6.3 in)  

Rainy days 17 days  

Humidity 77%  

Sunshine 197 hours  

Percentage Sunshine  

What to Wear in Joetsu in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Joetsu in August

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

Swimming

7/10

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 Joetsu's climate page.

More climate data for Joetsu

Temperature Rainfall Sunshine Humidity

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