Kusatsu Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kusatsu.
Climate overview of Kusatsu
Kusatsu, Shiga, Japan, experiences significant temperature variation throughout the year. Summers bring daytime highs of 33°C (91°F) in August, while winters cool to 9°C (48°F) in January.
With around 1537 mm (61 in) of annual rain/snowfall, Kusatsu has a notably wet climate. The wettest month is June. Sunshine peaks in May, when the city sees around 6.2 hours of sunshine per day.
Kusatsu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kusatsu — and find the best time to visit.
Monthly Temperature in Kusatsu
Depending on the time of the year, temperatures range from very warm to chilly in Kusatsu. Average daytime temperatures reach a very warm 33°C (91°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).
At night, temperatures range from around 24°C (75°F) in August to 0°C (32°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kusatsu
Kusatsu has a relatively rain/snowy climate with high precipitation levels, averaging 1537 mm (61 in) of rain/snowfall annually. Kusatsu can be quite wet during June, receiving approximately 198 mm (7.8 in) of precipitation over 18 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 68 mm (2.7 in) of precipitation spread across 18 rainy days days. For more details, please visit our Kusatsu Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Kusatsu
Kusatsu experiences moderate variation in sunshine hours across the seasons. With 6.2 hours daily sunshine in May, it dips to 4.0 hours in February, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Kusatsu by Month
The relative humidity is high throughout the year in Kusatsu.
The city experiences its highest humidity in July, reaching 70%. In April, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Kusatsu
Rainfall during this time ranges from 77 mm (3 in) in November to 152 mm (6 in) in October. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during June, July and September, bringing heavy precipitation. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
Frequently asked questions about the climate in Kusatsu
What is the best time to visit Kusatsu?
May, September and October typically offer the most optimal weather in Kusatsu. In contrast, January, February, July and August tend to have less optimal conditions.
What temperatures can I expect in Kusatsu?
Daytime highs range from 9°C (48°F) in January to 33°C (91°F) in August. Nighttime lows range from 0°C (32°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Kusatsu get?
Annual rainfall is around 1537 mm (61 in). June is the wettest month with 198 mm (7.8 in), while December is the driest with 68 mm (2.7 in).
How sunny is Kusatsu?
Kusatsu receives around 1,805 hours of sunshine per year. May is the sunniest month with 185 hours, while February is the cloudiest with just 120 hours.
Kusatsu 3-Day Forecast
Kusatsu 3-Day Forecast
Kusatsu on the map
Kusatsu is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Osaka
32°C (90°F) Tokyo30°C (86°F) Naha
30°C (86°F) Kyoto31°C (88°F) Hakone28°C (82°F) Hakuba26°C (79°F) Sapporo24°C (75°F) Niseko24°C (75°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Chase the autumn leaves in Japan
Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.
Walk the 88 temple circuit
We recommend walking the 88 temple circuit from April til October. Although June, July and August can be a bit wet, hot and humid.
The famous bamboo forests of Arashiyama
The famous bamboo forests of Arashiyama lie just outside the city center of Kyoto and is unique in the world. If you look at photos of this bamboo forest, it looks like you have landed in a fairy-tale world.
10 reasons why you should visit Japan in winter
Here are 10 reasons why you should plan a winter trip to Japan. During this period, popular sights are less busy and prices for flights and hotels much cheaper.