Nagano weather in July
Temperature, rain and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Fair
Best time to visit: May – June, October
What is the weather like in Nagano in July?
In July, Nagano is hot: daytime highs average 28 °C, and nights cool down to about 20 °C. Expect around 5 hours of sunshine a day. It rains often – on about 22 days, adding up to 244 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Nagano.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 14 h 27 min04:40 – 19:06
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 25 daysdew point 18 °C or moreAll months
- Wind
- 9 km/haverage daily peakAll months
- Cloud cover
- 76 %on averageAll months
- Hot days
- 8 days30 °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 %91 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Nagano in July: quick answers
Is Nagano hot in July?
Yes. In July, Nagano is hot: daytime highs average 28 °C and nights stay around 20 °C. On about 8 days the thermometer climbs to 30 °C or more.
Does it rain much in Nagano in July?
It rains often – on about 22 days, adding up to 244 mm.
Nagano month by month
The whole year in NaganoAll destinations: JapanWhere to go in July
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