What’s the climate like in Nagano?
The current climate of Nagano features average monthly temperatures ranging from highs of 31°C during the day to lows of 4°C. The average yearly temperature is around 19°C. At night, temperatures in the colder months average around -3°C and in the warmer months around 22°C.
The highest temperature recorded in Nagano in recent years was 38°C in August 2018. The lowest daytime temperature recorded was -5°C in January 2023.
On average, Nagano gets 1052 mm of precipitation each year. Of this, about 219 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
The typhoon season in Nagano runs from June to November.
Curious about the climate in other parts of Japan? Check out the weather and climate in places like Tokyo, Kyōto, Osaka, or have a look at other destinations in Japan.
Best time to visit Nagano?
The best time to visit Nagano for sunny weather is April through June and October. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Nagano. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Nagano
The climate table of Nagano shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 4 | 6 | 12 | 18 | 24 | 26 | 30 | 31 | 26 | 20 | 14 | 7 |
| Temp. min (°C) | -3 | -3 | 1 | 6 | 11 | 16 | 22 | 22 | 18 | 11 | 5 | 0 |
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| Precipitation (mm) | 70 | 49 | 58 | 70 | 74 | 116 | 146 | 125 | 127 | 110 | 44 | 63 |
| Snow (cm) | 82 | 53 | 19 | 3,5 | 0 | 0 | 0 | 0 | 0 | 0 | 8,2 | 52 |
| UV Index | 4 | 5 | 6 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 19°C
- Highest temperature: 31°C in August
- Lowest temperature: 4°C in January
- Precipitation*: 1052 mm per year, averaging 88 mm per month
- Snowfall: 219 cm per year
- Driest months: 44 mm in November, 49 mm in February and 58 mm in March
- Wettest months: 146 mm in July, 127 mm in September and 125 mm in August
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Nagano
This graph shows the average maximum temperatures per month in Nagano, Japan. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Nagano
This graph shows how much precipitation Nagano, Japan, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Nagano
This graph shows how much snow Nagano, Japan, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Nagano
This graph shows the average UV index per month in Nagano, Japan. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Nagano
This graph shows the average yearly temperature in Nagano, Japan. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Nagano
This chart shows the total yearly precipitation in Nagano, Japan, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Nagano
This chart shows the total yearly snowfall in Nagano, Japan, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences 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.
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