Best Time to Visit Kusatsu
Best time: Oct, May.
Aug is warmest (31.8°C high); Jun is rainiest (236 mm).
Kusatsu weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 8.1 | -0.2 | 71 | 3.5 |
| Feb | 8.6 | 0 | 80 | 4.4 |
| Mar | 12.2 | 2.4 | 112 | 5.9 |
| Apr | 18.6 | 7.7 | 145 | 7.3 |
| May | 23.3 | 12.8 | 151 | 8.2 |
| Jun | 26.4 | 17.6 | 236 | 7.5 |
| Jul | 30.4 | 22 | 225 | 7.8 |
| Aug | 31.8 | 22.8 | 149 | 8.1 |
| Sep | 27.5 | 18.7 | 202 | 6.1 |
| Oct | 21.8 | 12.2 | 122 | 5.2 |
| Nov | 16.2 | 6.4 | 80 | 3.9 |
| Dec | 10.9 | 1.7 | 59 | 3.3 |
Average high temperature
Best months by activity
Overall: OctMay
Beaches: AugJul
Hiking: NovMay
Sightseeing: NovOctMay
Kusatsu quick facts
What to pack
Cold months (Jan, Feb, Mar, Dec): warm layers and a coat.
Wet months (Mar, Apr, May, Jun, Jul, Aug, Sep, Oct): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Kusatsu?
Oct, May.
What is the rainiest month?
Jun, about 236 mm.
What is the warmest month?
Aug, with average highs of 31.8°C.
Where to stay
See Kusatsu hotels · Book Kusatsu tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.