Karuizawa
January
Weather in Karuizawa for January 2026
Your guide to Karuizawa weather in January - trends and predictions
The climate of Karuizawa in January is quite snowy, averaging 14 snowy days.
In general, the average temperature in Karuizawa at the beginning of January is 0.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 1 °C by the end of January.
Is January a good time to visit Karuizawa? check out the best time to travel to Karuizawa page.
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Snow Forecast ❄️
Temperatures
More
17
Dry days
0
Rainy days
14
Snow days
1°/-6°
Temperatures
13 km/h
Avg max wind
71 %
Avg humidity
Karuizawa Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -1° | 2 2° | 3  0° | 4  -3° | |||
| 5  0° | 6  4° | 7 1° | 8 -2° | 9 0° | 10  -1° | 11  -0° |
| 12  3° | 13 2° | 14 4° | 15 1° | 16  -2° | 17 0° | 18 1° |
| 19  3° | 20 2° | 21 1° | 22 1° | 23 2° | 24 0° | 25 -1° |
| 26 0° | 27 2° | 28 1° | 29 -0° | 30 1° | 31 4° |
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Access Karuizawa weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during January in Karuizawa
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Sunny | -1° /-8° | 0 mm | 0 cm | |
| 2 Jan. | Sunny | 2° /-6° | 0.1 mm | 0 cm | |
| 3 Jan. | Moderate or heavy snow showers | 0° /-6° | 0.8 mm | 0.4 cm | |
| 4 Jan. | Partly cloudy | -3° /-9° | 0.2 mm | 0 cm | |
| 5 Jan. | Cloudy | 0° /-7° | 0 mm | 0 cm | |
| 6 Jan. | Patchy rain possible | 4° /-4° | 4.9 mm | 3 cm | |
| 7 Jan. | Moderate or heavy snow showers | 1° /-4° | 2.5 mm | 1.4 cm | |
| 8 Jan. | Moderate or heavy snow showers | -2° /-8° | 3 mm | 1.9 cm | |
| 9 Jan. | Sunny | 0° /-9° | 0.5 mm | 0.2 cm | |
| 10 Jan. | Patchy light snow | -1° /-8° | 0.5 mm | 0.1 cm | |
| 11 Jan. | Overcast | 0° /-8° | 0 mm | 0 cm | |
| 12 Jan. | Patchy moderate snow | 3° /-7° | 0.4 mm | 0.3 cm | |
| 13 Jan. | Moderate or heavy snow showers | 2° /-7° | 2.8 mm | 1.8 cm | |
| 14 Jan. | Sunny | 4° /-8° | 0 mm | 0 cm | |
| 15 Jan. | Patchy heavy snow | 1° /-5° | 2.5 mm | 1.4 cm | |
| 16 Jan. | Heavy snow | -2° /-8° | 1.5 mm | 1 cm | |
| 17 Jan. | Sunny | 0° /-8° | 0.2 mm | 0.1 cm | |
| 18 Jan. | Overcast | 1° /-7° | 0 mm | 0 cm | |
| 19 Jan. | Light freezing rain | 3° /-4° | 0.1 mm | 0 cm | |
| 20 Jan. | Heavy snow | 2° /-4° | 3.8 mm | 2.7 cm | |
| 21 Jan. | Heavy snow | 1° /-3° | 16.1 mm | 11.3 cm | |
| 22 Jan. | Heavy snow | 1° /-5° | 1.4 mm | 1 cm | |
| 23 Jan. | Light snow showers | 2° /-6° | 0.4 mm | 0.2 cm | |
| 24 Jan. | Moderate or heavy snow showers | 0° /-5° | 1.5 mm | 0.9 cm | |
| 25 Jan. | Light snow showers | -1° /-8° | 0.5 mm | 0.1 cm | |
| 26 Jan. | Light freezing rain | 0° /-9° | 0.4 mm | 0.1 cm | |
| 27 Jan. | Sunny | 2° /-7° | 0 mm | 0 cm | |
| 28 Jan. | Overcast | 1° /-6° | 0.4 mm | 0.2 cm | |
| 29 Jan. | Sunny | 0° /-8° | 1.7 mm | 1.1 cm | |
| 30 Jan. | Sunny | 1° /-7° | 0.4 mm | 0.2 cm | |
| 31 Jan. | Light freezing rain | 4° /-5° | 0.3 mm | 0 cm | |
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Important Notice
Our weather forecast for Karuizawa in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Karuizawa forecast closer to your planned date for the most up-to-date weather information.
Karuizawa in January - FAQ
What are the expected maximum and minimum temperatures in Karuizawa during January?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Karuizawa during January?
Moderate rainfall is anticipated in Karuizawa during January, with a total of 64.9 mm spread over approximately 0 days. Considering plans for rainy days is advisable.
Will it snow in Karuizawa in January 2026?
Karuizawa experiences an average snowfall of 43.2 cm during January, occurring over 14 days.
What are the typical wind conditions in Karuizawa during January?
The average wind speed in Karuizawa during January is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Karuizawa in January?
As you prepare for your trip to Karuizawa in January, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Karuizawa, during January, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Thermal Wear: Base layers for cold destinations
- All-Weather Jacket: Waterproof and breathable
- Footwear
- Waterproof Shoes
- Insulated Boots: For snowy and extremely cold temperatures
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
Karuizawa snow forecast January 2026
Track daily snowfall levels and discover Karuizawa’s snowy potential this January ❄️
January rainfall patterns in Karuizawa
Explore the daily rainfall trends and prepare for Karuizawas January weather 💧
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