June · Japan
Best time to visit Nagano in June Weather, crowds & prices
Weather in Nagano in June
Average temperature 21°C, 147 mm of rain, about 25 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
June score
8.0/10
Ranked #3 of 12 months
- Avg temp
- 21°C
- Rainfall
- 147 mm
- Humidity
- 77%
- Days with 6h+ sun
- 25
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
June in Nagano scores 8.0/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 21°C, 147 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.
Nagano's Olympic legacy, mountain temples and ski fields fill the Japanese Alps' gateway.
June holds up well in Nagano — 3rd best month
Trail conditions at 21°C (69°F) favour early starts and shaded routes in June; midday is for water breaks, not for exposed climbs.
147 mm of rain makes this a wet month here, though with about 25 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 8/10 on the same scale — 3rd of 12 months, versus 8.7/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Nagano in June?
- In June, Nagano averages 21°C, 147 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
- Is June a good time to visit Nagano?
- June earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Nagano in June?
- Expect about 147 mm of rain in June. Average humidity is 77% and there are about 25 days with 6+ hours of sunshine.
Curated in Nagano
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Nagano, Japan. Live activities and tours from GetYourGuide, matched to this destination.