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Kusatsu

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Kusatsu Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Kusatsu year round climate

  • Spring (March–May): Average 50–66°F, mild climate but with relatively high rainfall, especially in April and May. Common activities: Flower viewing, walking in the countryside. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 74–85°F, hot and humid with relatively high rainfall. Common activities: Swimming, sightseeing in summer resorts. Recommended clothing: Light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 66–80°F, comfortable and pleasant climate with decreasing rainfall. Common activities: Hiking, maple leaf viewing. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): Average 41–44°F, low temperatures, dry and with little rainfall. Common activities: Hot spring experience. Recommended clothing: Warm clothing, thick jacket, scarf and gloves.

Kusatsu climatological average

Annual average temperature: approx. 62.6°F / Annual rainfall: approx. 1603 mm / Summer humidity: 70%–80% / Rainiest month: August

Kusatsu monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
41.2°F
47.4
February
43°F
54
March
50.9°F
117.5
April
61.5°F
161.4
May
66.7°F
199.8
June
74.7°F
248.8
July
84°F
176
August
85.1°F
254.7
September
80.8°F
127.3
October
66.4°F
105.2
November
57°F
91.9
December
45°F
19.2

Kusatsu weather for the next seven days

11/30
Sunday
Sunny
60.6°F/44.5°F
12/1
Monday
Overcast
63.3°F/47.9°F
12/2
Tuesday
Patchy rain nearby
61.8°F/48.8°F
12/3
Wednesday
Patchy rain nearby
49.2°F/35.7°F
12/4
Thursday
Patchy rain nearby
46.5°F/35°F
12/5
Friday
Partly Cloudy
47.6°F/41°F
12/6
Saturday
Sunny
50.8°F/38.1°F