Iwate (Morioka)
December
Weather in Iwate for December 2026
Your guide to Iwate weather in December - trends and predictions
Expect heavy snowfall in Iwate during December, with an average of 18 snowy days.
In general, the average temperature in Iwate at the beginning of December is 4.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 2.3 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
6
Dry days
7
Rainy days
18
Snow days
4°/-3°
Temperatures
15 km/h
Avg max wind
86 %
Avg humidity
Iwate Weather December
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Temperatures trend during December in Iwate
See the weather trend as well as the moving average line
December weather in Iwate day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 12° /1° | 3.2 mm | 0 cm | |
| 2 Dec. |  Light drizzle | 8° /0° | 4.1 mm | 0 cm | |
| 3 Dec. |  Light sleet | 6° /0° | 13 mm | 0.5 cm | |
| 4 Dec. |  Moderate or heavy snow showers | 0° /-3° | 4.3 mm | 2.6 cm | |
| 5 Dec. | Moderate or heavy snow showers | 1° /-4° | 9.2 mm | 6.4 cm | |
| 6 Dec. |  Moderate snow | 3° /-2° | 1.1 mm | 0.4 cm | |
| 7 Dec. | Light rain | 4° /-2° | 7.5 mm | 0 cm | |
| 8 Dec. | Light rain shower | 6° /-1° | 14.8 mm | 0.6 cm | |
| 9 Dec. | Moderate or heavy snow showers | 2° /-3° | 1.7 mm | 1 cm | |
| 10 Dec. | Moderate snow | 3° /-4° | 1.6 mm | 1.2 cm | |
| 11 Dec. |  Patchy heavy snow | 6° /-4° | 15.5 mm | 3.1 cm | |
| 12 Dec. | Moderate or heavy snow showers | -2° /-5° | 1.5 mm | 0.9 cm | |
| 13 Dec. |  Light freezing rain | 1° /-5° | 0 mm | 0 cm | |
| 14 Dec. |  Heavy snow | 3° /-2° | 13.6 mm | 3.8 cm | |
| 15 Dec. | Moderate or heavy snow showers | 3° /-4° | 8.8 mm | 1.9 cm | |
| 16 Dec. | Heavy snow | 3° /-5° | 7.2 mm | 2.5 cm | |
| 17 Dec. |  Light snow | 3° /-4° | 0 mm | 0 cm | |
| 18 Dec. | Patchy light snow | 2° /-3° | 0 mm | 0 cm | |
| 19 Dec. | Patchy light snow | 4° /-3° | 0 mm | 0 cm | |
| 20 Dec. |  Partly cloudy | 9° /-2° | 0 mm | 0 cm | |
| 21 Dec. | Light drizzle | 9° /3° | 3 mm | 0 cm | |
| 22 Dec. | Light snow showers | 2° /-1° | 0.2 mm | 0.1 cm | |
| 23 Dec. |  Overcast | 2° /-3° | 0 mm | 0 cm | |
| 24 Dec. | Light drizzle | 4° /-1° | 3.6 mm | 0 cm | |
| 25 Dec. | Light rain | 6° /2° | 11.9 mm | 0 cm | |
| 26 Dec. | Moderate or heavy snow showers | 2° /-6° | 14.5 mm | 8.7 cm | |
| 27 Dec. | Moderate or heavy snow showers | -1° /-7° | 6.6 mm | 4.6 cm | |
| 28 Dec. | Light snow showers | 3° /-6° | 1.3 mm | 0.9 cm | |
| 29 Dec. | Patchy light rain | 4° /-6° | 7.1 mm | 0 cm | |
| 30 Dec. | Light snow | 2° /-3° | 6.1 mm | 0.1 cm | |
| 31 Dec. | Moderate or heavy snow showers | 0° /-5° | 4.4 mm | 3.2 cm | |
| Next | |||||
Important Notice
Our weather forecast for Iwate 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 Iwate forecast closer to your planned date for the most up-to-date weather information.
Change Month
Iwate weather in December vs November vs January
Compare December weather in Iwate 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 or heavy snow showers | Light freezing rain |
| Temperatures | 9°/1° | 4°/-3° | 2°/-5° |
| Rainfall | 140 mm | 166 mm | 57 mm |
| Snowfall | 5 cm | 43 cm | 24 cm |
| Wind | 14.8 km/h | 14.6 km/h | 11.8 km/h |
| Humidity | 83% | 86% | 85% |
| Rainy days | 11 days | 7 days | 8 days |
| Snow days | 8 days | 18 days | 13 days |
| Dry days | 11 days | 6 days | 10 days |
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Iwate in December - FAQ
What are the expected maximum and minimum temperatures in Iwate during December?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Iwate during December?
Significant rainfall exceeding 165.8 mm is expected in Iwate during December, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Iwate in December 2026?
Iwate experiences an average snowfall of 42.6 cm during December, occurring over 18 days.
What are the typical wind conditions in Iwate during December?
The average wind speed in Iwate during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Iwate in December?
As you prepare for your trip to Iwate 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 Iwate, 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
Iwate snow forecast December 2026
Track daily snowfall levels and discover Iwate’s snowy potential this December ❄️
On average, Iwate sees 18 snowy days during December, with approximately 42.6 cm of total snowfall.
December rainfall patterns in Iwate
Explore the daily rainfall trends and prepare for Iwates December weather 💧
Typically, Iwate has 7 rainy days in December with a total of 165.8 mm of rainfall.
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