The 3-day, 2-night tour I originally joined was cancelled due to insufficient participants, so I opted for a 2-day, 1-night tour that didn't include Kanazawa. The tour bus was a small 20-seat vehicle, and the driver had a bit of trouble loading the luggage. The first day's itinerary was Kamikochi, and the weather was fantastic, the scenery picturesque, and it was definitely worth visiting. The second day was Tateyama Kurobe Alpine Route, which was before the mountain closed for the season, so there were very few tourists. Seeing the snow-covered Murodo was incredibly exciting, even more beautiful than in summer. Our guide, Ame, was very helpful; she took photos with us along the way, recommended good restaurants, and was very attentive.
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Nagano City Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Nagano City year round climate
Spring (March–May): Average 6–17°C, mild climate, but early spring can still be cold, with occasional rain. Cherry blossoms start blooming in March, and April to May is the best time to see them. Common activities: Cherry blossom viewing, hiking, hot spring trips. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 21–27°C, hot and humid, with more rainfall, especially in July, which is the rainiest month. Common activities: Outdoor activities, mountain climbing, visits to summer resorts. Recommended clothing: Breathable clothing, light shorts or skirts, sun hat, rain gear.
Autumn (September–November): Average 9–16°C, cool and comfortable, with vibrant autumn colors, making it a great season for viewing autumn leaves. Occasional rain, but the overall climate is pleasant. Common activities: Viewing autumn leaves, hot springs, mountain climbing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Winter (December–February): Average -0.3–2.6°C, cold and dry, with occasional snowfall. It's the season for skiing and enjoying winter sports. Common activities: Skiing, hot springs, winter festivals. Recommended clothing: Warm jacket, hat, gloves, scarf, thermal underwear.
Nagano City climatological average
Annual average temperature: approx. 13°C / Annual rainfall: approx. 1004 mm / Summer humidity: 70%–80% / Rainiest month: July
Nagano City monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-0.3°C
37.7
February
0.9°C
43.3
March
6°C
76.7
April
12.9°C
83.7
May
16.6°C
108.3
June
21.3°C
94.7
July
25.7°C
141.3
August
27°C
115
September
23.9°C
138.7
October
15.1°C
64
November
9.2°C
70.7
December
2.6°C
30.7
Nagano City weather for the next seven days
12/21
Sunday
Moderate rain
14.1°C/2.2°C
12/22
Monday
Heavy snow
2.4°C/-2.5°C
12/23
Tuesday
Sunny
6.7°C/-5.6°C
12/24
Wednesday
Moderate rain
5.8°C/-2.8°C
12/25
Thursday
Moderate rain
5.6°C/1.1°C
12/26
Friday
Patchy heavy snow
1.2°C/-7.4°C
12/27
Saturday
Partly Cloudy
0.2°C/-7.7°C
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