Lake🍁 Typical peakTokyo Weather Guide
Karuizawa Weather & What to Wear
Karuizawa, Kyu-Karuizawa, Shiraito Falls
A highland resort at about 1,000 m above sea level, around 1 hour from Tokyo by shinkansen (bullet train). It's known as a cool summer retreat with highs around 25°C, while winter mornings drop to around -8°C. It also gets little rain and lots of sunny days.
- January low
- −8.2℃
- August high
- 26.3℃
- Max snow depth
- 28cm
Forecast
Forecast: Today & the Next 7 Days
JMA forecast issued Oct 22, 11 AM
Every 3 Hours: Today & Tomorrow
- Today3 PMSunny☂ 0%6–9m/s
- 6 PMSunny☂ 0%6–9m/s
- 9 PMSunny☂ 0%0–2m/s
- Tomorrow12 AMSunny☂ 0%0–2m/s
- 3 AMSunny☂ 0%0–2m/s
- 6 AMSunny☂ 0%0–2m/s
- 9 AMSunny☂ 0%0–2m/s
- 12 PMSunny☂ 0%6–9m/s
- 3 PMSunny☂ 0%6–9m/s
- 6 PMCloudy☂ 0%6–9m/s
- 9 PMCloudy☂ 0%6–9m/s
Weather and wind are for the wider area; temperature is for the main forecast point. Chance of rain is for the 6-hour period. There is no 3-hourly temperature forecast for this area, so temperatures are not shown.
- Today10/22(Thu)Cloudy, then sunny15°/9°Observed: 9°☂ 0%
- Tomorrow10/23(Fri)Sunny15°/2°☂ 0%
- 10/24(Sat)Cloudy, rain at times—/—☂ 90%
- 10/25(Sun)Cloudy, rain at times—/—☂ 70%Reliability A
- 10/26(Mon)Cloudy, rain at times—/—☂ 70%Reliability A
- 10/27(Tue)Cloudy, rain at times—/—☂ 60%Reliability B
- 10/28(Wed)Cloudy, sunny at times—/—☂ 30%Reliability A
- ☂ Chance of rain
- From day 3, the weekly forecast covers a wider prefecture-level area.
- Reliability of the weekly forecast (A: high, B: fairly high, C: fairly low)
- "Observed" is the temperature measured so far today by JMA weather stations (AMeDAS), not a forecast.
- Temperatures from day 3 are not shown because the weekly forecast has no point for this area.
- Source: Japan Meteorological Agency (weather forecast)
Best Season
Best Time to Visit Karuizawa
To escape the summer heat
Even in midsummer, highs are only about 25–26°C. Mornings and evenings drop to around 17°C — a world away from the heat of central Tokyo.
Climate
Karuizawa Temperature & Snow Through the Year
Monthly high / low temperature (°C)
HighLow
Monthly max snow depth (cm)
Month by Month
Month-by-Month Weather & What to Wear
| Month | High | Low | Precip. | Max snow depth | What to wear |
|---|---|---|---|---|---|
| Jan | 2.3℃ | −8.2℃ | 36.8mm | 25cm | Winter coatDown or heavy coat, gloves, waterproof shoes |
| Feb | 3.5℃ | −8.0℃ | 36.8mm | 28cm | Winter coatDown or heavy coat, gloves, waterproof shoes |
| Mar | 7.8℃ | −4.5℃ | 68.3mm | 21cm | Winter coatDown or heavy coat, gloves, waterproof shoes |
| Apr | 14.3℃ | 0.6℃ | 81mm | 6cm | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| May | 19.2℃ | 6.3℃ | 108.8mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Jun | 21.5℃ | 11.8℃ | 154.6mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| Jul | 25.3℃ | 16.4℃ | 191.8mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Aug | 26.3℃ | 17.1℃ | 141.6mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Sep | 21.7℃ | 13.0℃ | 193.5mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| Oct | 16.2℃ | 6.3℃ | 151.1mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Nov | 11.2℃ | −0.2℃ | 52.5mm | 1cm | Warm jacketLight down or winter coat, sweater |
| Dec | 5.3℃ | −5.3℃ | 29.6mm | 12cm | Winter coatDown or heavy coat, gloves, waterproof shoes |
Clothing tips are based on the normal high temperature and snow depth. Bring an extra layer for mornings and evenings.
Where to Stay · Agoda
Places to Stay near KaruizawaPR
PR8.7軽井沢プリンスホテル ウエスト
★★★★Check rates on Agoda10,524 reviews1.3 km from center
PR8.1アパホテル 軽井沢駅前軽井沢荘
★★★★Check rates on Agoda9,731 reviews1.7 km from center
PR9.1ホテルインディゴ軽井沢 by IHG
★★★★★Check rates on Agoda3,447 reviews1.9 km from center
PR8.6ホテル サイプレス軽井沢
★★★★Check rates on Agoda4,238 reviews0.8 km from center
PR9.1トゥインラインホテル 軽井沢
★★★★Check rates on Agoda2,358 reviews1.6 km from center
PR9.0ホテルグランヴェール旧軽井沢
★★★Check rates on Agoda2,537 reviews1.3 km from center
Prices and availability are shown on Agoda.
Seasons
Karuizawa Through the Seasons
🌸
Spring
Mar–MayCherry blossoms around late April. May is a lovely time for walks in the fresh green forest, though mornings and evenings are still chilly.
☀️
Summer
Jun–AugPeak season for this cool summer retreat. Around Obon (a mid-August holiday period in Japan), roads and shops get crowded.
🍁
Autumn
Sep–NovAutumn leaves peak from late October. In November, some mornings drop below 0°C.
❄️
Winter
Dec–FebMornings drop to around -8°C. There isn't much snow, but watch out for icy roads. The town comes alive for the Christmas season.
Autumn Leaves
Autumn Leaves in Karuizawa
Lake🍁 Typical peakTravel Passes
Travel passes you can use in Karuizawa
🚄 JR
🚄 JRJapan Rail Pass
Nationwide ・ Three types: 7, 14 or 21 days. The period of use cannot be extended or changed
From ¥50,000
Plan Your Trip
Plan Your Karuizawa TripPR
Other Areas
Weather in Other Areas
Source: Japan Meteorological Agency (climate normals 1991-2020). Compiled by tripuuu.log. Temperature and snow figures are normals from the Karuizawa station; actual weather varies from year to year.
