Weather in Nagano Shi for December 2025
Nagano Shi is transformed into a snow paradise in December, with more than 20 snowy days on average.
In general, the average temperature in Nagano Shi at the beginning of December is 7.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 3.3 °C by the end of December.
Is December a good time to visit Nagano Shi? check out the best time to travel to Nagano Shi page.
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Nagano Shi in December average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 7° | 2 7° | 3 9° | 4 7° | 5 6° | 6 9° | 7 7° |
8 6° | 9 9° | 10 9° | 11 7° | 12 8° | 13 7° | 14 6° |
15 6° | 16 6° | 17 5° | 18 1° | 19 2° | 20 3° | 21 5° |
22 2° | 23 2° | 24 4° | 25 3° | 26 3° | 27 2° | 28 4° |
29 5° | 30 4° | 31 2° |
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Temperatures trend during December in Nagano Shi
December weather day by day
Date | Weather | Temperatures | Rain | Snow | More |
---|---|---|---|---|---|
1 Dec. | Moderate or heavy rain shower | 7° /-2° | 9.6 mm | 0.7 cm | |
2 Dec. | Patchy moderate snow | 7° /-2° | 3.3 mm | 0.4 cm | |
3 Dec. | Sunny | 9° /-2° | 0.8 mm | 0 cm | |
4 Dec. | Heavy rain at times | 7° /-1° | 7.6 mm | 0.6 cm | |
5 Dec. | Light freezing rain | 6° /-2° | 1 mm | 0 cm | |
6 Dec. | Moderate rain at times | 9° /-2° | 6.3 mm | 0.5 cm | |
7 Dec. | Moderate or heavy rain shower | 7° /-1° | 14.2 mm | 4.3 cm | |
8 Dec. | Moderate or heavy rain shower | 6° /-1° | 14.4 mm | 3.4 cm | |
9 Dec. | Partly cloudy | 9° /-3° | 0.5 mm | 0.1 cm | |
10 Dec. | Patchy rain possible | 9° /-2° | 0.2 mm | 0 cm | |
11 Dec. | Patchy rain possible | 7° /0° | 5.2 mm | 0.7 cm | |
12 Dec. | Heavy rain at times | 8° /0° | 6.5 mm | 0.2 cm | |
13 Dec. | Light freezing rain | 7° /-1° | 5.9 mm | 0.2 cm | |
14 Dec. | Moderate or heavy rain shower | 6° /-3° | 11.1 mm | 3.3 cm | |
15 Dec. | Moderate or heavy snow showers | 6° /-3° | 11.2 mm | 2.2 cm | |
16 Dec. | Patchy moderate snow | 6° /-2° | 11.1 mm | 3.5 cm | |
17 Dec. | Moderate snow | 5° /-4° | 15.2 mm | 5.7 cm | |
18 Dec. | Moderate or heavy snow showers | 1° /-5° | 9.7 mm | 5.4 cm | |
19 Dec. | Moderate or heavy snow showers | 2° /-7° | 7.4 mm | 4.4 cm | |
20 Dec. | Light freezing rain | 3° /-6° | 4.1 mm | 2.2 cm | |
21 Dec. | Light freezing rain | 5° /-6° | 3.2 mm | 1.9 cm | |
22 Dec. | Moderate or heavy snow showers | 2° /-6° | 14.4 mm | 9.1 cm | |
23 Dec. | Moderate or heavy snow showers | 2° /-7° | 2.6 mm | 1.8 cm | |
24 Dec. | Moderate or heavy snow showers | 4° /-7° | 8.8 mm | 5.4 cm | |
25 Dec. | Moderate snow | 3° /-6° | 13.7 mm | 6.1 cm | |
26 Dec. | Light freezing rain | 3° /-7° | 9.3 mm | 5.3 cm | |
27 Dec. | Light freezing rain | 2° /-6° | 8.5 mm | 5.3 cm | |
28 Dec. | Patchy rain possible | 4° /-6° | 6.7 mm | 4.1 cm | |
29 Dec. | Overcast | 5° /-5° | 5.3 mm | 2.8 cm | |
30 Dec. | Moderate or heavy snow showers | 4° /-6° | 12.3 mm | 4.6 cm | |
31 Dec. | Light freezing rain | 2° /-6° | 14.9 mm | 7.3 cm | |
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Nagano Shi in December - FAQ
What to pack to Nagano Shi in December?
As you prepare for your trip to Nagano Shi 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 Nagano Shi, during December, 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
Nagano Shi snow forecast December 2025
December rainfall patterns in Nagano Shi
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Get accurate weather forecasts for Nagano Shi, located at latitude 36.65 and longitude 138.183. Stay updated with localized weather information tailored for Nagano Shi.