JapanAverage weather for Nagano in May
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.
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. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
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.
Because temperatures drop in the evening, wearing layers is recommended.
In May, there is an average of 74 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the South.
Nagano in May |
New York | ||
|---|---|---|---|
 Average temperature |
24°C | 22°C | |
 Max. temperature |
27°C | 28°C | |
| Min. temperature |
20°C | -5°C | |
 Total precipitation |
74 mm | 105 mm | |
| Rainy days |
8 days | 14 days | |
April
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 May a good time to visit Nagano?
Looking for great weather? May is a good time to be in Nagano. The temperatures are nice, and there’s not too much rain.
The typhoon season in Nagano runs from June to November.
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.
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 May in Nagano
This chart shows the average daily high and low temperatures in May 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 May in Nagano
The chart below shows the average daily precipitation in May 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 May, you can expect about 8 days of precipitation in Nagano.
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.
Temperature in May in Nagano over the years
This chart shows the average temperature in May in Nagano, measured in degrees Celsius, over the past few years.
Total precipitation in May in Nagano over the years
This chart shows the average precipitation in May in Nagano, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
Weather experiences in May in Nagano
Have you been to Nagano in May?
Share your weather experience in May 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.
