Otaru-shi (Otaru)
December
Weather in Otaru-shi for December 2025
Your guide to Otaru-shi weather in December - trends and predictions
Otaru-shi is transformed into a snow paradise in December, with more than 20 snowy days on average.
According to Otaru-shi snow forecast for December 2025, 1 snowy day is expected until the end of the month at Wednesday, 31 December.So far, December 2025 in Otaru-shi is slightly warmer than the historical average by 0.7 °C.
In general, the average temperature in Otaru-shi at the beginning of December is 2.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -0.7 °C by the end of December.
Is December a good time to visit Otaru-shi? check out the best time to travel to Otaru-shi page.
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Snow Forecast ❄️
Temperatures
More
0
Dry days
0
Rainy days
31
Snow days
0°/-6°
Temperatures
30 km/h
Avg max wind
80 %
Avg humidity
Otaru-shi Weather December
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Temperatures trend during December in Otaru-shi
See the weather trend as well as the moving average line
December weather in Otaru-shi day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate or heavy snow showers | 4° /-4° | 4.7 mm | 0.4 cm | |
| 2 Dec. | Moderate or heavy snow showers | 3° /-4° | 2.9 mm | 0.9 cm | |
| 3 Dec. |  Light snow | 2° /-5° | 5.9 mm | 2.2 cm | |
| 4 Dec. |  Partly cloudy | 0° /-5° | 6.1 mm | 2.1 cm | |
| 5 Dec. |  Light drizzle | 2° /-3° | 7.4 mm | 2.5 cm | |
| 6 Dec. | Partly cloudy | 4° /-3° | 3 mm | 0.2 cm | |
| 7 Dec. | Moderate or heavy snow showers | 4° /-4° | 8.7 mm | 0.5 cm | |
| 8 Dec. | Patchy light snow | 3° /-4° | 11.4 mm | 3.4 cm | |
| 9 Dec. |  Light rain shower | 4° /-3° | 4.9 mm | 0.2 cm | |
| 10 Dec. | Moderate or heavy snow showers | 0° /-5° | 3.5 mm | 1.1 cm | |
| 11 Dec. |  Light snow showers | 0° /-7° | 11.2 mm | 6.2 cm | |
| 12 Dec. |  Blizzard | -2° /-7° | 7 mm | 0.3 cm | |
| 13 Dec. | Light snow showers | -1° /-7° | 4.8 mm | 2 cm | |
| 14 Dec. | Light snow | 0° /-6° | 6.8 mm | 4.7 cm | |
| 15 Dec. | Light snow | 0° /-5° | 9 mm | 2.1 cm | |
| 16 Dec. |  Heavy snow | 0° /-7° | 5.6 mm | 1.9 cm | |
| 17 Dec. | Heavy snow | -2° /-8° | 20.3 mm | 6.4 cm | |
| 18 Dec. | Blizzard | -2° /-9° | 4.7 mm | 1.2 cm | |
| 19 Dec. | Moderate or heavy snow showers | 0° /-8° | 1.9 mm | 1.3 cm | |
| 20 Dec. | Moderate or heavy snow showers | 1° /-6° | 3.7 mm | 1.5 cm | |
| 21 Dec. | Moderate or heavy snow showers | 0° /-6° | 8.5 mm | 2.3 cm | |
| 22 Dec. | Moderate or heavy snow showers | -1° /-7° | 7.9 mm | 4.3 cm | |
| 23 Dec. | Moderate or heavy snow showers | -2° /-8° | 4.2 mm | 1.3 cm | |
| 24 Dec. | Moderate or heavy snow showers | 1° /-6° | 4.5 mm | 2 cm | |
| 25 Dec. | Light snow showers | 1° /-6° | 2.1 mm | 1.6 cm | |
| 26 Dec. | Moderate or heavy snow showers | 0° /-8° | 11.3 mm | 4.4 cm | |
| 27 Dec. | Blizzard | -4° /-9° | 7.7 mm | 0.1 cm | |
| 28 Dec. | Light snow showers | 0° /-7° | 2.8 mm | 1.3 cm | |
| 29 Dec. | Light snow showers | 1° /-6° | 4.8 mm | 2.2 cm | |
| 30 Dec. | Moderate or heavy snow showers | 1° /-7° | 2.7 mm | 1.9 cm | |
| 31 Dec. | Blizzard | -4° /-8° | 9.3 mm | 1.4 cm | |
| Next | |||||
Important Notice
Our weather forecast for Otaru-shi 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 Otaru-shi forecast closer to your planned date for the most up-to-date weather information.
Change Month
Otaru-shi weather in December vs November vs January
Compare December weather in Otaru-shi with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible |  Moderate snow | Moderate snow |
| Temperatures | 7°/0° | 0°/-6° | 0°/-6° |
| Rainfall | 218 mm | 190 mm | 199 mm |
| Snowfall | 33 cm | 69 cm | 100 cm |
| Wind | 26.1 km/h | 29.6 km/h | 25.1 km/h |
| Humidity | 78% | 80% | 81% |
| Rainy days | 8 days | 0 days | 0 days |
| Snow days | 17 days | 31 days | 31 days |
| Dry days | 5 days | 0 days | 0 days |
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Otaru-shi in December - FAQ
What are the expected maximum and minimum temperatures in Otaru-shi during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Otaru-shi during December?
Significant rainfall exceeding 189.8 mm is expected in Otaru-shi during December, occurring over more than 0 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Otaru-shi in December 2025?
Otaru-shi experiences an average snowfall of 69.3 cm during December, occurring over 31 days.
What are the typical wind conditions in Otaru-shi during December?
The average wind speed in Otaru-shi during December is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Otaru-shi in December?
As you prepare for your trip to Otaru-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 Otaru-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
Otaru-shi snow forecast December 2025
Track daily snowfall levels and discover Otaru-shi’s snowy potential this December ❄️
On average, Otaru-shi sees 31 snowy days during December, with approximately 69.3 cm of total snowfall.
December rainfall patterns in Otaru-shi
Explore the daily rainfall trends and prepare for Otaru-shis December weather 💧
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