🇯🇵 Weather in Kusatsu

Kusatsu sits at approximately 35.0° north latitude, which generally produces a temperate or subtropical climate, with warm summers, mild winters and moderate seasonal variation. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.

Climatically, the best time to visit Kusatsu is generally April to June and September to October (Northern Hemisphere spring and autumn) — outside the extremes of summer heat and winter chill. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or the warmest weather. Check the forecast above before planning a short trip.

In the Northern Hemisphere, summer falls in June–August and winter in December–February. Spring runs March–May and autumn runs September–November. Cities like Kusatsu follow this Northern/Southern Hemisphere pattern based on their latitude, with the strongest seasonal contrast happening the farther they sit from the equator.