The weather in Nagano in April is very cold with temperatures between 3°C and 15°C, warm clothes are a must.
You can expect rain for roughly half of the month of April in Nagano. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Nagano can expect a few days of snow in April.
Our weather forecast can give you a great sense of what weather to expect in Nagano in April 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
15° / 3°
Rainy Days
10
Snowy Days
1
Dry Days
19
Rainfall
54
mm
Sun Hours
2.5
Hrs
