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Kusatsu weather in December 2025
Expect daytime maximum temperatures of 3°C in Kusatsu, Japan in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall, which might fall as snow.
- 3°C max day temperature
3 - 5 hours of sunshine per day
- 18 days with some rainfall
18 - -7°C min night temperature
-7 - 10 hours of daylight per day
10 - No heat & humidity
0 - 39 mm of monthly rainfall
39 - 2 (Low) UV index
2
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Kusatsu by month
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Recommended for Japan
The December weather guide for Japan (Kusatsu) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Japan
How warm is it in Kusatsu in December?
Daytime temperatures usually reach 12°C in Kusatsu in December, falling to 3°C at night.
How sunny is it in Kusatsu in December?
There are normally 6 hours of bright sunshine each day in Kusatsu in December - that's 57% of daylight hours.
How warm is the sea around Kusatsu in December?
The average sea temperature around Kusatsu in December is 17°C.
Does it rain in Kusatsu in December?
There are usually 9 days with some rain in Kusatsu in December and the average monthly rainfall is 44mm.
Kusatsu December sunrise & sunset times
Browse the sunrise and sunset times for Kusatsu in December 2025. Select a month to view Kusatsu sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st December 2025 | 06:39 | 16:30 |
| Tuesday, 16th December 2025 | 06:51 | 16:31 |
| Wednesday, 31st December 2025 | 06:58 | 16:40 |
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