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Karuizawa

Karuizawa 1
Travel Info
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Travel Info

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Karuizawa Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Karuizawa year round climate

  • Spring (March–May): Average 37–54°F, mild and comfortable climate, but with a large temperature difference between morning and evening, occasional showers. Cherry blossoms bloom in some areas in March and April. Common activities: Cherry blossom viewing, hiking, cycling. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 62–71°F, cool and comfortable climate, a summer resort, but with more rainfall in June and July. Common activities: Outdoor activities, camping, visiting Karuizawa attractions. Recommended clothing: Light and breathable clothing, rain gear.
  • Autumn (September–November): Average 51–66°F, pleasant climate, colorful autumn leaves are a major feature of autumn, rainfall gradually decreases. Common activities: Maple leaf viewing, hiking, hot springs. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average -2.8–-32.4°F, cold climate, less snowfall. Common activities: Skiing (requires going to nearby areas), enjoying the quiet snow scenery. Recommended clothing: Warm coat, hat, scarf, gloves.

Karuizawa climatological average

Annual average temperature: approx. 48.7°F / Annual rainfall: approx. 1270 mm / Summer humidity: 70%–80% / Rainiest month: June

Karuizawa monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
27°F
10.7
February
28.4°F
47.2
March
37.2°F
91
April
48.6°F
116.5
May
54.3°F
158.8
June
62.6°F
197.6
July
71.1°F
174.5
August
71.2°F
131.8
September
66.9°F
154.3
October
52°F
103.2
November
42.6°F
70.6
December
31.6°F
14

Karuizawa weather for the next seven days

8/10
Monday
Patchy rain nearby
83.7°F/63.2°F
8/11
Tuesday
Patchy rain nearby
76.2°F/54.1°F
8/12
Wednesday
Light rain shower
73.8°F/60.9°F
8/13
Thursday
Fog
72.8°F/60.3°F
8/14
Friday
Moderate rain
73.1°F/61.1°F
8/15
Saturday
Light rain shower
74.1°F/64.2°F
8/16
Sunday
Patchy rain nearby
82.5°F/63.6°F

Karuizawa Frequently Asked Questions and Useful Information for Travel

Why is Karuizawa famous?

Karuizawa gained fame as a villa area when missionary Alexander Croft Shaw visited in 1886. Impressed by its beautiful nature and comfortable climate, he introduced it globally as a desirable summer retreat.

Is Karuizawa a good day trip from Tokyo?

Yes, Karuizawa is an excellent destination for a day trip from Tokyo. With frequent train services and a compact area filled with attractions like quaint shopping streets, waterfalls, art museums, and outlet malls, it offers a refreshing escape.

Who visited Karuizawa historically?

Since the 19th century, Karuizawa has been a popular destination for wealthy urbanites seeking respite in its natural surroundings.

Is Karuizawa worth visiting?

Karuizawa is absolutely worth visiting. While renowned as a summer and winter destination, its pristine natural beauty captivates visitors year-round, drawing people from across Japan and the world.

What kind of attractions can you find in Karuizawa?

Karuizawa offers a diverse range of attractions including beautiful natural landscapes like waterfalls, charming shopping streets, art museums, and popular outlet malls, making it a well-rounded destination for all visitors.