Kitasaku Karuizawa Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Kitasaku Karuizawa year round climate
Spring (March–May): Average 52–66°F, mild climate but with relatively high rainfall, especially in March and April. Common activities: flower viewing, hiking, walking. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 73–83°F, hot and humid, with more rainfall in June and August. Common activities: outdoor swimming, camping, mountain climbing. Recommended clothing: light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 66–58°F, comfortable and pleasant climate, cool and dry. Common activities: viewing autumn leaves, hiking, cycling. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
Winter (December–February): Average 48–45°F, cold and dry, with low rainfall. Common activities: skiing, hot springs, indoor leisure activities. Recommended clothing: warm jacket, hat, gloves, scarf.
Kitasaku Karuizawa climatological average
Annual average temperature: approx. 63.5°F / Annual rainfall: approx. 1659 mm / Summer humidity: 70%–80% / Rainiest month: June
Kitasaku Karuizawa monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
43.9°F
26.2
February
45.3°F
71
March
52.7°F
169.3
April
61.3°F
159.6
May
66.7°F
203.3
June
73.6°F
231.1
July
82.4°F
120.3
August
83.1°F
225.4
September
79°F
206
October
66.7°F
127
November
58.6°F
87.7
December
48.4°F
32.4
Kitasaku Karuizawa weather for the next seven days
1/1
Thursday
Patchy rain nearby
47.1°F/44.1°F
1/2
Friday
Patchy rain nearby
45.9°F/37.5°F
1/3
Saturday
Sunny
47.1°F/38.3°F
1/4
Sunday
Sunny
49.4°F/42.2°F
1/5
Monday
Sunny
55.1°F/43.8°F
1/6
Tuesday
Partly Cloudy
47.9°F/41.1°F
1/7
Wednesday
Partly Cloudy
54.7°F/43.9°F
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