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Weather in Iwate for December 2026

Your guide to Iwate weather in December - trends and predictions

    Snow Forecast ❄️

  • Expect heavy snowfall in Iwate during December, with an average of 18 snowy days.

  • Temperatures

  • 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.

  • More

  • Is December a good time to visit Iwate? check out the best time to travel to Iwate page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
6
Dry days
Average rainy days
7
Rainy days
Average snowy days
18
Snow days
Average temperatures
4°/-3°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
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
Light rain shower
12° /1° 3.2 mm 0 cm
2 Dec. Light drizzle
Light drizzle
8° /0° 4.1 mm 0 cm
3 Dec. Light sleet
Light sleet
6° /0° 13 mm 0.5 cm
4 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
0° /-3° 4.3 mm 2.6 cm
5 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
1° /-4° 9.2 mm 6.4 cm
6 Dec. Moderate snow
Moderate snow
3° /-2° 1.1 mm 0.4 cm
7 Dec. Light rain
Light rain
4° /-2° 7.5 mm 0 cm
8 Dec. Light rain shower
Light rain shower
6° /-1° 14.8 mm 0.6 cm
9 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
2° /-3° 1.7 mm 1 cm
10 Dec. Moderate snow
Moderate snow
3° /-4° 1.6 mm 1.2 cm
11 Dec. Patchy heavy snow
Patchy heavy snow
6° /-4° 15.5 mm 3.1 cm
12 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
-2° /-5° 1.5 mm 0.9 cm
13 Dec. Light freezing rain
Light freezing rain
1° /-5° 0 mm 0 cm
14 Dec. Heavy snow
Heavy snow
3° /-2° 13.6 mm 3.8 cm
15 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
3° /-4° 8.8 mm 1.9 cm
16 Dec. Heavy snow
Heavy snow
3° /-5° 7.2 mm 2.5 cm
17 Dec. Light snow
Light snow
3° /-4° 0 mm 0 cm
18 Dec. Patchy light snow
Patchy light snow
2° /-3° 0 mm 0 cm
19 Dec. Patchy light snow
Patchy light snow
4° /-3° 0 mm 0 cm
20 Dec. Partly cloudy
Partly cloudy
9° /-2° 0 mm 0 cm
21 Dec. Light drizzle
Light drizzle
9° /3° 3 mm 0 cm
22 Dec. Light snow showers
Light snow showers
2° /-1° 0.2 mm 0.1 cm
23 Dec. Overcast
Overcast
2° /-3° 0 mm 0 cm
24 Dec. Light drizzle
Light drizzle
4° /-1° 3.6 mm 0 cm
25 Dec. Light rain
Light rain
6° /2° 11.9 mm 0 cm
26 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
2° /-6° 14.5 mm 8.7 cm
27 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
-1° /-7° 6.6 mm 4.6 cm
28 Dec. Light snow showers
Light snow showers
3° /-6° 1.3 mm 0.9 cm
29 Dec. Patchy light rain
Patchy light rain
4° /-6° 7.1 mm 0 cm
30 Dec. Light snow
Light snow
2° /-3° 6.1 mm 0.1 cm
31 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
0° /-5° 4.4 mm 3.2 cm
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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.

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.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Moderate or heavy snow showers
Moderate or heavy snow showers
Light freezing rain
Light freezing rain
Temperatures9°/1°4°/-3°2°/-5°
Rainfall140 mm166 mm57 mm
Snowfall5 cm43 cm24 cm
Wind14.8 km/h14.6 km/h11.8 km/h
Humidity83%86%85%
Rainy days11 days7 days8 days
Snow days8 days18 days13 days
Dry days11 days6 days10 days

Planning a trip to Iwate? Discover the best time to visit

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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Get accurate weather forecasts for Iwate, located at latitude 39.7 and longitude 141.15. Stay updated with localized weather information tailored for Iwate.

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