Otaru
December
Weather in Otaru for December 2026
Your guide to Otaru weather in December - trends and predictions
Otaru is transformed into a snow paradise in December, with more than 20 snowy days on average.
In general, the average temperature in Otaru at the beginning of December is 2.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -0.4 °C by the end of December.
Is December a good time to visit Otaru? check out the best time to travel to Otaru page.
✨ Is December a good time to visit Otaru? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
More
3
Dry days
7
Rainy days
21
Snow days
0°/-6°
Temperatures
30 km/h
Avg max wind
81 %
Avg humidity
Otaru Weather December
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Temperatures trend during December in Otaru
See the weather trend as well as the moving average line
December weather in Otaru day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 3° /-4° | 4.7 mm | 0.4 cm | |
| 2 Dec. |  Light snow | 3° /-4° | 2.9 mm | 0.9 cm | |
| 3 Dec. | Light snow | 2° /-5° | 5.9 mm | 2.2 cm | |
| 4 Dec. | Light snow | 0° /-5° | 6.1 mm | 2.1 cm | |
| 5 Dec. | Light rain | 2° /-3° | 7.4 mm | 2.5 cm | |
| 6 Dec. | Light rain | 4° /-3° | 3 mm | 0.2 cm | |
| 7 Dec. | Light snow | 4° /-3° | 8.7 mm | 0.5 cm | |
| 8 Dec. | Patchy light snow | 2° /-4° | 11.4 mm | 3.4 cm | |
| 9 Dec. | Light rain | 3° /-3° | 4.9 mm | 0.2 cm | |
| 10 Dec. | Light snow | 0° /-4° | 3.5 mm | 1.1 cm | |
| 11 Dec. |  Light snow showers | 0° /-6° | 11.2 mm | 6.2 cm | |
| 12 Dec. |  Blizzard | -3° /-7° | 7 mm | 0.3 cm | |
| 13 Dec. | Light snow showers | -1° /-6° | 4.8 mm | 2 cm | |
| 14 Dec. | Light snow | -1° /-6° | 6.8 mm | 4.7 cm | |
| 15 Dec. | Light snow | 0° /-5° | 9 mm | 2.1 cm | |
| 16 Dec. | Light snow | -1° /-7° | 5.6 mm | 1.9 cm | |
| 17 Dec. |  Moderate snow | -2° /-8° | 20.3 mm | 6.4 cm | |
| 18 Dec. | Light snow | -3° /-8° | 4.7 mm | 1.2 cm | |
| 19 Dec. | Light snow | 0° /-7° | 1.9 mm | 1.3 cm | |
| 20 Dec. | Light snow | 0° /-5° | 3.7 mm | 1.5 cm | |
| 21 Dec. | Light snow | 0° /-6° | 8.5 mm | 2.3 cm | |
| 22 Dec. | Light snow | -1° /-7° | 7.9 mm | 4.3 cm | |
| 23 Dec. | Light snow | -2° /-8° | 4.2 mm | 1.3 cm | |
| 24 Dec. | Light snow | 1° /-6° | 4.5 mm | 2 cm | |
| 25 Dec. | Light snow showers | 1° /-6° | 2.1 mm | 1.6 cm | |
| 26 Dec. | Light snow | 0° /-7° | 11.3 mm | 4.4 cm | |
| 27 Dec. | Blizzard | -4° /-9° | 7.7 mm | 0.1 cm | |
| 28 Dec. | Light snow showers | 0° /-6° | 2.8 mm | 1.3 cm | |
| 29 Dec. | Light snow showers | 0° /-6° | 4.8 mm | 2.2 cm | |
| 30 Dec. | Light snow | 1° /-6° | 4.1 mm | 2.4 cm | |
| 31 Dec. |  Moderate or heavy snow showers | -1° /-7° | 10.1 mm | 5.6 cm | |
| Next | |||||
Important Notice
Our weather forecast for Otaru 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 forecast closer to your planned date for the most up-to-date weather information.
Change Month
Otaru weather in December vs November vs January
Compare December weather in Otaru 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 | Moderate snow | Moderate snow | Moderate snow |
| Temperatures | 7°/0° | 0°/-6° | -1°/-7° |
| Rainfall | 212 mm | 201 mm | 213 mm |
| Snowfall | 26 cm | 68 cm | 106 cm |
| Wind | 26.7 km/h | 30.1 km/h | 26.2 km/h |
| Humidity | 78% | 81% | 82% |
| Rainy days | 13 days | 7 days | 3 days |
| Snow days | 10 days | 21 days | 27 days |
| Dry days | 7 days | 3 days | 1 days |
Planning a trip to Otaru? Discover the best time to visit
Otaru in December - FAQ
What are the expected maximum and minimum temperatures in Otaru 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 during December?
Significant rainfall exceeding 201.4 mm is expected in Otaru during December, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Otaru in December 2026?
Otaru experiences an average snowfall of 68.4 cm during December, occurring over 21 days.
What are the typical wind conditions in Otaru during December?
The average wind speed in Otaru during December is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
Otaru snow forecast December 2026
Track daily snowfall levels and discover Otaru’s snowy potential this December ❄️
On average, Otaru sees 21 snowy days during December, with approximately 68.4 cm of total snowfall.
December rainfall patterns in Otaru
Explore the daily rainfall trends and prepare for Otarus December weather 💧
Typically, Otaru has 7 rainy days in December with a total of 201.4 mm of rainfall.
What to pack to Otaru in December?
Cold & raw · highs around 0 °C, frequent showers
As you prepare for your trip to Otaru 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, during December, is comfortable and enjoyable, regardless of the weather conditions.
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🧥 Clothing
👟 Footwear
🎒 Accessories
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