The temperatures in Nagano in July are comfortable with low of 13°C and and high up to 27°C.
There’s going to be many days of rain during the month of July in Nagano.
Nagano should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Nagano in July 2025.
If you’re planning to visit Nagano in the near future, we highly recommend that you review the 14 day weather forecast for Nagano before you arrive.
Temperatures
27° / 13°
Rainy Days
17
Snowy Days
0
Dry Days
14
Rainfall
393
mm
Sun Hours
10.5
Hrs
