Cool
Average highs are around 0°C, so pack for cooler days.
February verdict
Poor for holiday weather
Average highs are around 0°C, so pack for cooler days. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 50mm, which is relatively low for holiday planning.

Monthly averages
Temp
0°C
Rain
50mm
Sun
5.2h
Weather score
28
Poor
Cool
Average highs are around 0°C, so pack for cooler days.
Drier
Rainfall averages 50mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Map
Compare Karuizawa, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
February0°C average high
February has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
February50mm average rain
February sits on the drier side of Karuizawa's year, which helps with sightseeing and transfers.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
February5.2 hours average sun
February sits close to Karuizawa's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMarch to May
This stretch has the strongest sunshine in the monthly averages.
February28 weather score
February scores below Karuizawa's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.