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 11.5–19.3°C, 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 23.1–28.4°C, 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 19.3–14.8°C, 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 9.1–7.4°C, 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. 17.5°C / Annual rainfall: approx. 1659 mm / Summer humidity: 70%–80% / Rainiest month: June
Kitasaku Karuizawa monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.6°C
26.2
February
7.4°C
71
March
11.5°C
169.3
April
16.3°C
159.6
May
19.3°C
203.3
June
23.1°C
231.1
July
28°C
120.3
August
28.4°C
225.4
September
26.1°C
206
October
19.3°C
127
November
14.8°C
87.7
December
9.1°C
32.4
Kitasaku Karuizawa weather for the next seven days
1/1
Thursday
Patchy rain nearby
8.4°C/6.7°C
1/2
Friday
Patchy rain nearby
7.7°C/3.1°C
1/3
Saturday
Sunny
8.4°C/3.5°C
1/4
Sunday
Sunny
9.7°C/5.7°C
1/5
Monday
Sunny
12.8°C/6.6°C
1/6
Tuesday
Partly Cloudy
8.8°C/5.1°C
1/7
Wednesday
Partly Cloudy
12.6°C/6.6°C
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