Gunma (Kusatsu)
December
Weather in Gunma for December 2025
Your guide to Gunma weather in December - trends and predictions
With an average of 4 snowy days, Gunma usually enjoys a light touch of snow in December.
In general, the average temperature in Gunma at the beginning of December is 7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 3.9 °C by the end of December.
Is December a good time to visit Gunma? check out the best time to travel to Gunma page.
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Snow Forecast ❄️
Temperatures
More
22
Dry days
5
Rainy days
4
Snow days
5°/-1°
Temperatures
12 km/h
Avg max wind
69 %
Avg humidity
Gunma in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  7° | 2  9° | 3 11° | 4  9° | 5 6° | 6  6° | 7  1° |
| 8  1° | 9 7° | 10 8° | 11 6° | 12  4° | 13 4° | 14  5° |
| 15 7° | 16 9° | 17  4° | 18 1° | 19  1° | 20 4° | 21 4° |
| 22 -0° | 23 0° | 24 1° | 25 4° | 26 6° | 27  1° | 28 3° |
| 29 3° | 30 4° | 31 6° |
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Temperatures trend during December in Gunma
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Sunny | 7° /0° | 0 mm | 0 cm | |
| 2 Dec. | Overcast | 9° /1° | 0 mm | 0 cm | |
| 3 Dec. | Sunny | 11° /2° | 0 mm | 0 cm | |
| 4 Dec. | Patchy rain possible | 9° /0° | 0 mm | 0 cm | |
| 5 Dec. | Sunny | 6° /0° | 0 mm | 0 cm | |
| 6 Dec. | Light sleet | 6° /0° | 1 mm | 0 cm | |
| 7 Dec. | Patchy heavy snow | 1° /-3° | 3.4 mm | 2.4 cm | |
| 8 Dec. | Moderate or heavy snow showers | 1° /-5° | 1.9 mm | 1.3 cm | |
| 9 Dec. | Sunny | 7° /-2° | 0 mm | 0 cm | |
| 10 Dec. | Sunny | 8° /-1° | 0 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 6° /0° | 0.3 mm | 0 cm | |
| 12 Dec. | Light drizzle | 4° /-1° | 3 mm | 0 cm | |
| 13 Dec. | Sunny | 4° /-2° | 0 mm | 0 cm | |
| 14 Dec. | Partly cloudy | 5° /-3° | 0.8 mm | 0.5 cm | |
| 15 Dec. | Light rain | 7° /-2° | 2.1 mm | 0 cm | |
| 16 Dec. | Patchy light drizzle | 9° /1° | 7.5 mm | 0 cm | |
| 17 Dec. | Patchy light snow | 4° /-3° | 0.2 mm | 0 cm | |
| 18 Dec. | Sunny | 1° /-4° | 0.2 mm | 0.1 cm | |
| 19 Dec. | Cloudy | 1° /-5° | 0.2 mm | 0.1 cm | |
| 20 Dec. | Sunny | 4° /-4° | 0 mm | 0 cm | |
| 21 Dec. | Moderate or heavy snow showers | 4° /-3° | 0.7 mm | 0.3 cm | |
| 22 Dec. | Light snow showers | 0° /-6° | 3.2 mm | 2.1 cm | |
| 23 Dec. | Sunny | 0° /-7° | 0.4 mm | 0 cm | |
| 24 Dec. | Overcast | 1° /-5° | 0.2 mm | 0 cm | |
| 25 Dec. | Patchy moderate snow | 4° /-4° | 0.2 mm | 0 cm | |
| 26 Dec. | Sunny | 6° /-3° | 0.1 mm | 0 cm | |
| 27 Dec. | Light freezing rain | 1° /-5° | 0.6 mm | 0.2 cm | |
| 28 Dec. | Sunny | 3° /-4° | 1.2 mm | 0.8 cm | |
| 29 Dec. | Sunny | 3° /-4° | 0.3 mm | 0.1 cm | |
| 30 Dec. | Partly cloudy | 4° /-5° | 0 mm | 0 cm | |
| 31 Dec. | Light drizzle | 6° /-3° | 2.2 mm | 0.3 cm | |
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Important Notice
Our weather forecast for Gunma in December 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 Gunma forecast closer to your planned date for the most up-to-date weather information.
Gunma in December - FAQ
What are the expected maximum and minimum temperatures in Gunma during December?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Gunma during December?
In December, Gunma can expect light to moderate rainfall, totaling 37.6 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Gunma in December 2025?
Gunma experiences an average snowfall of 5.02 cm during December, occurring over 4 days.
What are the typical wind conditions in Gunma during December?
The average wind speed in Gunma during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Gunma in December?
As you prepare for your trip to Gunma in December, 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 Gunma, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Thermal Wear: Base layers for cold destinations
- All-Weather Jacket: Waterproof and breathable
- Footwear
- 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
Gunma snow forecast December 2025
Track daily snowfall levels and discover Gunma’s snowy potential this December ❄️
December rainfall patterns in Gunma
Explore the daily rainfall trends and prepare for Gunmas December weather 💧
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