0 to 27°C
temperature
2961 hours
sunshine per day
723 mm
rain
108 days
dry
193 days
rain
64 days
snow

Climate of Nagano

Nagano has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Nagano is 14° degrees and there is about 722 mm of rain in a year. It is dry for 104 days a year with an average humidity of 82% and an UV-index of 3.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 0°C and 27°C
  • Night:the average nighttime temperature is between -7°C and 18°C
  • Rain: it rains 193 days and there is a total of approximately 723 mm rainfall
  • Snow: it snows an average of 64 days per year
  • Sun hours: throughout the year there are 2961 sun hours
Maximum temperature: between 0°C and 27°C
Warmest month: 27°C in August
Coldest month: 0°C in January
Night temperature: between -7°C and 18°C
Dry days: 108 days
Days with rain: 193 days
Days with snow: 64 days
Total rain sum: 723 mm
Hours of sunshine: 2961 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Nagano.

Precipitation graph

This graph shows the average amount of rainfall per month for Nagano.

Climate table of Nagano

In this climate table you can see at a glance what the average weather per month is for Nagano. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Nagano might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 0 1 6 12 19 22 26 27 22 17 10 4
Night temp. (°C) -7 -6 -3 2 8 12 17 18 13 7 2 -3
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 56 42 49 45 50 68 107 88 67 48 45 58
Days with rain 9 10 14 14 15 19 24 23 17 16 16 16
Days with snow 21 15 10 2 - - - - - - 1 15
Dry days 1 3 7 14 16 11 7 8 13 15 13 -
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 5 5 7 10 11 10 10 11 9 7 6 5
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 2 2 2 3 4 5 6 5 4 3 2 2

Best time to visit Nagano

The best time to visit Nagano in Japan is from May and June and August and September. In this period you have a warm temperature and little precipitation. The highest average temperature in Nagano is 27°C in August and the lowest is 0°C in January.

Climate of Nagano by month

What is the average climate in a given month for Nagano? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Nagano weather experiences

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