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JapanThe weather in May in Nagano
It's warm in May in Nagano with an average temperature of 24°C. Temperatures this month range from a low of 20°C to a high of 27°C. At night, you can expect temperatures between 8°C and 14°C.
Looking for great weather? May is a good time to be in Nagano. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Nagano, Japan. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 34°C in 2019, Nagano reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 11°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 21°C.
Rainfall amount
In May, there is an average of 74 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in May for Nagano
Click on any day in May 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.
May weather comparison
| Nagano | New York | |
|---|---|---|
| Average temperature | 24°C | 22°C |
| Max. temperature | 27°C | 28°C |
| Min. temperature | 8°C | -5°C |
| Total precipitation | 74 mm | 105 mm |
| Rainy days | 11 days | 14 days |
Start of May
The month of May starts in Nagano with warm temps, averaging around 23°C during the day and nights around 10°C.
Mid May
By mid-May, daytime temps rise to around 25°C, with nights around 13°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Nagano is around 26°C, while nighttime temps are about 14°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable trips to Nagano
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.
The typhoon season in Nagano runs from June to November.
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.
Temperature charts
These charts show the average temperatures in May in Nagano, Japan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Nagano
Temperature in May in Nagano over the years
Precipitation charts
These charts show the average amount of precipitation in May in Nagano, Japan. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Nagano
Total precipitation in May in Nagano over the years
Daily UV index in May in Nagano
This chart shows the average daily UV index in May 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.
Weather experiences in May in Nagano
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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.