Our tour guide, Mr. Guo, provided excellent service. He was friendly and professional throughout the trip, and his explanations of the attractions were very detailed and engaging. The overall itinerary was very smooth, with ample time and no rushing, allowing us to have a very enjoyable and unforgettable experience. I highly recommend this tour!
Anonymous User
Family
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
4/18
Saturday
Sunny
18.6°C/14°C
4/19
Sunday
Partly Cloudy
22.5°C/16.1°C
4/20
Monday
Partly Cloudy
19.5°C/15.9°C
4/21
Tuesday
Patchy rain nearby
20.3°C/15.7°C
4/22
Wednesday
Sunny
19.6°C/15.2°C
4/23
Thursday
Patchy rain nearby
20.4°C/14.6°C
4/24
Friday
Moderate rain
15.3°C/13.4°C
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