JapanAverage weather for Nagano in August
It's hot in August in Nagano with an average temperature of 31°C. Temperatures this month range from a low of 28°C to a high of 34°C. At night, you can expect temperatures between 20°C and 24°C.
Start of August
The month of August starts in Nagano with hot temps, averaging around 33°C during the day and nights around 24°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid August
By mid-August, daytime temps drop to around 31°C, with nights around 23°C. There’s a high chance of precipitation during this time.
End of August
By the end of August, the average daytime temperature in Nagano is around 31°C, while nighttime temps are about 22°C. A shower might pop up, but overall, the weather will be dry and sunny.
In August, there is an average of 125 mm of precipitation, spread over 12 days. The wind speed is around 3 Bft, mostly coming from the South.
Nagano in August |
New York | ||
|---|---|---|---|
 Average temperature |
31°C | 30°C | |
 Max. temperature |
34°C | 31°C | |
| Min. temperature |
28°C | -5°C | |
 Total precipitation |
125 mm | 79 mm | |
| Rainy days |
12 days | 13 days | |
July
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Nagano?
Looking for sun? August isn’t a good month to be in Nagano. The temperature is nice, but there’s too much chance of rain.
The typhoon season in Nagano runs from June to November.
Temperature records
With 38°C in 2018, Nagano reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 21°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 28°C.
Check out the climate of Nagano for all months and discover the best travel time
Curious about the weather in other parts of Japan? Check out the climate and weather for spots like Tokyo, Kyōto, Osaka, or explore other destinations in Japan.
Daily Temperature in August in Nagano
This chart shows the average daily high and low temperatures in August for Nagano, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Nagano
The chart below shows the average daily precipitation in August for Nagano, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 12 days of precipitation in Nagano.
Daily UV index in August in Nagano
This chart shows the average daily UV index in August in Nagano, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Nagano over the years
This chart shows the average temperature in August in Nagano, measured in degrees Celsius, over the past few years.
Total precipitation in August in Nagano over the years
This chart shows the average precipitation in August in Nagano, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Nagano
Click on any day in August to get detailed info about the usual weather on that day in Nagano. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Nagano
Have you been to Nagano in August?
Share your weather experience in August in Nagano.
Average weather in Nagano by month
Click on a month below to see detailed weather info for Nagano. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
