Tokyo Weather Guide

Kusatsu Onsen Weather & What to Wear

Kusatsu, Yubatake, Sainokawara

One of Japan's best-known hot spring towns, with steam rising from the Yubatake (hot water field) in the center of town. At about 1,200 m above sea level, it's snow country, with about 70–90 cm of snow on the ground in winter. Summers are cool, with highs around 24°C.

January low
−7.8℃
August high
24.2℃
Max snow depth
94cm
Search by dates and destination
Forecast

Forecast: Today & the Next 7 Days

JMA forecast issued Oct 22, 11 AM

Every 3 Hours: Today & Tomorrow

  1. Today
    3 PM
    Sunny
    ☂ 10%
    6–9m/s
  2. 6 PM
    Sunny
    ☂ 0%
    3–5m/s
  3. 9 PM
    Sunny
    ☂ 0%
    3–5m/s
  4. Tomorrow
    12 AM
    Sunny
    ☂ 0%
    3–5m/s
  5. 3 AM
    Sunny
    ☂ 0%
    3–5m/s
  6. 6 AM
    Sunny
    ☂ 0%
    0–2m/s
  7. 9 AM
    Sunny
    ☂ 0%
    3–5m/s
  8. 12 PM
    Sunny
    ☂ 0%
    3–5m/s
  9. 3 PM
    Sunny
    ☂ 0%
    3–5m/s
  10. 6 PM
    Sunny
    ☂ 0%
    0–2m/s
  11. 9 PM
    Cloudy
    ☂ 0%
    0–2m/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.

  1. Today
    10/22(Thu)
    Sunny
    ☂ 10%
  2. Tomorrow
    10/23(Fri)
    Sunny
    ☂ 0%
  3.  
    10/24(Sat)
    Cloudy, rain at times
    ☂ 80%
  4.  
    10/25(Sun)
    Cloudy, rain at times
    ☂ 60%
    Reliability B
  5.  
    10/26(Mon)
    Cloudy, rain at times
    ☂ 70%
    Reliability A
  6.  
    10/27(Tue)
    Cloudy, rain at times
    ☂ 60%
    Reliability B
  7.  
    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)
  • There is no temperature forecast point for this area, so temperatures are not shown.
  • Source: Japan Meteorological Agency (weather forecast)
Best Season

Best Time to Visit Kusatsu Onsen

For snowy hot springs and skiing

In January and February you can enjoy the Yubatake in the snow, and the ski resort near the hot spring town is at its peak.

For a cool summer

Even in midsummer, highs are only about 23–24°C. Humidity is low too, so you can enjoy hot springs and highland walks.

Climate

Kusatsu Onsen Temperature & Snow Through the Year

Monthly high / low temperature (°C)

HighLow
-10-5051015202530JanFebMarAprMayJunJulAugSepOctNovDec24.2℃−7.8℃Jan High −0.4℃ / Low −7.8℃Feb High 0.7℃ / Low −7.8℃Mar High 4.7℃ / Low −4.5℃Apr High 11.5℃ / Low 1.1℃May High 17.0℃ / Low 6.5℃Jun High 19.6℃ / Low 11.1℃Jul High 23.4℃ / Low 15.5℃Aug High 24.2℃ / Low 16.2℃Sep High 19.8℃ / Low 12.3℃Oct High 14.5℃ / Low 6.0℃Nov High 9.1℃ / Low 0.4℃Dec High 2.9℃ / Low −4.8℃

Monthly max snow depth (cm)

020406080100Jan 73cmJanFeb 94cmFebMar 77cmMarApr 31cmAprMayJunJulAugSepOctNov 3cmNovDec 37cmDec94cm
Month by Month

Month-by-Month Weather & What to Wear

MonthHighLowPrecip.Max snow depthWhat to wear
Jan−0.4℃−7.8℃68.5mm73cmFull winter gearDown coat, thermal layers, gloves, hat, snow boots
Feb0.7℃−7.8℃66.1mm94cmFull winter gearDown coat, thermal layers, gloves, hat, snow boots
Mar4.7℃−4.5℃90.6mm77cmWinter coatDown or heavy coat, gloves, waterproof shoes
Apr11.5℃1.1℃106.2mm31cmWarm jacketLight down or winter coat, sweater
May17.0℃6.5℃150.7mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
Jun19.6℃11.1℃218.3mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
Jul23.4℃15.5℃263.5mm—T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings
Aug24.2℃16.2℃236.8mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Sep19.8℃12.3℃254.6mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
Oct14.5℃6.0℃162.5mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
Nov9.1℃0.4℃63.9mm3cmWarm jacketLight down or winter coat, sweater
Dec2.9℃−4.8℃60.4mm37cmWinter 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 Kusatsu OnsenPR

Prices and availability are shown on Agoda.

Seasons

Kusatsu Onsen Through the Seasons

🌸

Spring

Mar–May

The snow melts by around April. Spring skiing is sometimes possible until early April.

☀️

Summer

Jun–Aug

Highs of about 20–24°C — a cool highland climate where even in summer you'll want long sleeves in the morning and evening.

🍁

Autumn

Sep–Nov

The surrounding mountains turn color from mid to late October. By November, morning temperatures drop to around 0°C.

❄️

Winter

Dec–Feb

Snow depth can top 90 cm at its deepest. A beautiful season for open-air baths in the snow and the Yubatake lit up at night.

Onsen

Onsen towns in Kusatsu Onsen

♨ Onsen

Kusatsu Onsen

Tokyo & Around ・ Kusatsu, Gunma

♨ Day use Adults ¥800, children (age 3 to elementary school) ¥400 (as of October 2026)

Private baths
♨ Onsen

Ikaho Onsen

Tokyo & Around ・ Shibukawa, Gunma

♨ Day use Adults ¥800, children ¥400 (as of October 2026)

Attractions

Attractions in Kusatsu Onsen

Photo coming soonZoo

Kusatsu Tropical Wonderland

Tokyo & Around ・ Kusatsu Onsen

This privately run zoo in the Kusatsu Onsen hot spring town is known as the highest-altitude zoo in Japan. Inside a 15 m-tall dome heated by hot spring water, a subtropical climate lets you see tropical plants and animals even in chilly Kusatsu.

Travel Passes

Travel passes you can use in Kusatsu Onsen

🚄 JR

Japan 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 Kusatsu Onsen TripPR

Other Areas

Weather in Other Areas

Back to the Tokyo Weather Guide (all months & areas) →

Source: Japan Meteorological Agency (climate normals 1991-2020). Compiled by tripuuu.log. Temperature and snow figures are normals from the Kusatsu station; actual weather varies from year to year.