Nagano weather in June
Temperature, rain and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Good
Best time to visit: May – June, October
What is the weather like in Nagano in June?
In June, Nagano is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. Expect around 6 hours of sunshine a day. It rains often – on about 16 days, adding up to 165 mm. All in all, June is a good month for a holiday in Nagano.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 14 h 39 min04:28 – 19:07
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 4 daysdew point 18 °C or moreAll months
- Wind
- 10 km/haverage daily peakAll months
- Cloud cover
- 77 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 30 %11 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Nagano in June: quick answers
Is Nagano hot in June?
Warm rather than hot: in June, daytime highs in Nagano average 25 °C and nights cool to about 15 °C.
Does it rain much in Nagano in June?
It rains often – on about 16 days, adding up to 165 mm.
Nagano month by month
The whole year in NaganoAll destinations: JapanWhere to go in June
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