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Average Monthly Sunshine hours in Nagano

This graph shows the average number of hours per month that Nagano receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.


  • On average, May is the sunniest month with 209 hours of sunshine.
  • January has on average the lowest amount of sunshine with 128 hours.
  • On average, the total annual amount of sun is 1940 hours.

Forecast: is it sunny in Nagano?

Fri   Nov 15
19°C | 11°C
NE 18 km/h
7 mm
partly cloudy and rain

partly cloudy and rain

Sat   Nov 16
20°C | 10°C
SW 14 km/h
broken clouds and no rain

broken clouds and no rain

Sun   Nov 17
22°C | 11°C
N 14 km/h
11 mm
partly cloudy and rain

partly cloudy and rain

Interested in more climate information?

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