Nagano weather in April
Temperature, rain and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Fair
Best time to visit: May – June, October
What is the weather like in Nagano in April?
In April, Nagano is cool: daytime highs average 16 °C, and nights cool down to about 4 °C. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 124 mm. Snow falls on about 2 days. All in all, April is a so-so month for a holiday in Nagano.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 6 min05:15 – 18:20
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 64 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 2 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %75 %
- Sunshineweight 20 %60 %
- Few rainy daysweight 30 %21 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Hat, scarf & gloves
- Rain jacket or umbrella
Nagano in April: quick answers
Is Nagano hot in April?
No. In April, Nagano is cool: daytime highs average 16 °C and nights drop to about 4 °C.
Does it rain much in Nagano in April?
It rains often – on about 15 days, adding up to 124 mm.
Nagano month by month
The whole year in NaganoAll destinations: JapanWhere to go in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences