Karuizawa
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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.

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
*
* Data from: Nagano, Japan (52 KM, 32 Miles).

Karuizawa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Karuizawa - and find the best time to visit.

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 records 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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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 month

What To Do in Karuizawa in February

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    3/10
  • Walking
    3/10
  • Camping
    1/10
  • Outdoor sports
    3/10

Karuizawa 3-Day Forecast

More climate data for Karuizawa

Popular in February

Where to go in February - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.