Kusatsu City Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Kusatsu City year round climate
Spring (March–May): Average 10.5–19.3°C, the climate shifts from cool to warm, with increasing rainfall. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 23.7–29.5°C, hot and humid, with higher rainfall. Common activities: Swimming, water activities, resort travel. Recommended clothing: Light and breathable clothing, short sleeves, sun protection clothing.
Autumn (September–November): Average 19.1–27.1°C, pleasant and comfortable climate, with decreased rainfall. Common activities: Maple viewing, outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 5.1–7.2°C, cold and dry, with low rainfall. Common activities: Hot spring experiences, indoor activities. Recommended clothing: Warm clothing, thick jacket, scarf, gloves.
Kusatsu City climatological average
Annual average temperature: approx. 17.2°C / Annual rainfall: approx. 1603 mm / Summer humidity: 70%–80% / Rainiest month: August
Kusatsu City monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.1°C
47.4
February
6.1°C
54
March
10.5°C
117.5
April
16.4°C
161.4
May
19.3°C
199.8
June
23.7°C
248.8
July
28.9°C
176
August
29.5°C
254.7
September
27.1°C
127.3
October
19.1°C
105.2
November
13.9°C
91.9
December
7.2°C
19.2
Kusatsu City weather for the next seven days
4/11
Saturday
Patchy rain nearby
21.2°C/11.4°C
4/12
Sunday
Overcast
17.8°C/8.6°C
4/13
Monday
Sunny
22.9°C/9.6°C
4/14
Tuesday
Sunny
21.4°C/11.9°C
4/15
Wednesday
Patchy rain nearby
22.5°C/14.2°C
4/16
Thursday
Cloudy
20.5°C/12.3°C
4/17
Friday
Partly Cloudy
19.2°C/12.9°C
KKday App
Your Best Travel Buddy
Use the code APP5OFF to enjoy an exclusive in-app deal of 5% off (cap at USD$3) on your 1st orderScan here to download the app