Karuizawa Weather in February
February in Karuizawa brings low temperatures, with daytime highs of 5°C (41°F) and nights around -5°C (23°F). Quite a bit of snow/rainfall is expected, around 82 mm (3.2 in), so pack an umbrella.
Rainfall in Karuizawa in February
Records from the past 30 years suggest around 17 days of snow/rain, with 82 mm (3.2 in) average for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Karuizawa in February
If you're visiting Karuizawa in February, expect highs of 5°C (41°F) and overnight lows around -5°C (23°F). February is part of winter. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With lows of -5°C (23°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. The month brings very cold weather, so dressing warmly is essential. Prepare with multiple layers for added warmth.
Sunshine in Karuizawa in February
You can expect a moderate amount of sunlight, with approximately 130 hours. This means a pleasant mix of sun and overcast.If you're looking for dry conditions and comfortable temperatures, February may not be the ideal month to visit Karuizawa. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Karuizawa's climate page.
Karuizawa Temperature in February
Min Temperature
-5°C (23°F)
Max Temperature
5°C (41°F)
Chance of Rain
58%
Precipitation
82 mm (3.2 in)
Rainy days
17 days
Humidity
74% *
Sunshine
130 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Karuizawa typically stay consistent throughout February, with daily highs averaging around 5°C (41°F). Nights are very cold, with lows typically ranging from -7°C (19°F) to -4°C (25°F).
Average temperatures in February
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in February
Historical weather for Karuizawa in February
Browse day-by-day weather records for Karuizawa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Karuizawa historical weather extremes in February
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Karuizawa.
- Karuizawa recorded its highest February temperature of 19°C (66°F) on February 21, 2021.
- Karuizawa experienced its chilliest February day on February 2, 1996, reaching only -7°C (19°F).
- Nighttime temperatures dropped to -17°C (1°F) on February 3, 2012, marking the coldest February night on record.
Best Places in Japan in February
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in February →
perfect weather
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What to Wear in Karuizawa in February
Dress warmly and in layers for your trip to Karuizawa in February. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Karuizawa in February
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Karuizawa's climate page.
Temperature Rainfall Sunshine Humidity
See the full Karuizawa climate overview or explore weather in Japan.
