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Weather in Iwakuni for December 2025

Your guide to Iwakuni weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Iwakuni during December is quite rare, with fewer than 2 snowy days on average.
    According to Iwakuni snow forecast for December 2025, 1 snowy day is expected in the next 2 weeks at Friday, 26 December.

    • Temperatures

  • Until now, December 2025 in Iwakuni has been nearly identical to the historical average, with a temperature of 12 °C (showing only a slight deviation of -0.5 °C).

  • Expect cooler weather in the next days in Iwakuni with the forecast suggesting a temperature of 11.2 °C, lower than the historical average.

  • In general, the average temperature in Iwakuni at the beginning of December is 12.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.7 °C by the end of December.

    • Rain 🌧️

  • With an average of 5 rainy days, Iwakuni experiences minimal rainfall in December.

    • More

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

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

Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
1
Snow days
Average temperatures
11°/4°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Iwakuni Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
16°
2
Patchy rain possible
16°
3
Patchy rain possible
12°
4
Sunny
10°
5
Patchy rain possible
10°
6
Patchy rain possible
11°
7
Patchy rain possible
13°
8
Cloudy
11°
9
Overcast
13°
10
Partly cloudy
13°
11
Moderate rain
13°
12
Patchy rain possible
12°
13
Sunny
12°
14
Moderate rain
9°
15
Sunny
11°
16
Partly cloudy
13°
17
Patchy rain possible
12°
18
Partly cloudy
12°
19
Partly cloudy
13°
20
Partly cloudy
15°
21
Partly cloudy
17°
22
Moderate rain
14°
23
Sunny
11°
24
Sunny
12°
25
Patchy rain possible
5°
26
Patchy rain possible
5°
27
Sunny
8°
28
Partly cloudy
10°
29
Sunny
10°
30
Overcast
11°
31
Light rain
12°

Temperatures trend during December in Iwakuni

See the weather trend as well as the moving average line

December weather in Iwakuni day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Patchy rain possible
Patchy rain possible
 16° /8° 0.4 mm 0 cm
2 Dec. Patchy rain possible
Patchy rain possible
 16° /9° 0.1 mm 0 cm
3 Dec. Patchy rain possible
Patchy rain possible
 12° /5° 0.3 mm 0 cm
4 Dec. Sunny
Sunny
 10° /3° 0 mm 0 cm
5 Dec. Patchy rain possible
Patchy rain possible
 10° /3° 0.3 mm 0 cm
6 Dec. Patchy rain possible
Patchy rain possible
 11° /4° 0.1 mm 0 cm
7 Dec. Patchy rain possible
Patchy rain possible
 13° /5° 0.1 mm 0 cm
8 Dec. Cloudy
Cloudy
 11° /4° 1.2 mm 0 cm
9 Dec. Overcast
Overcast
 13° /6° 0 mm 0 cm
10 Dec. Partly cloudy
Partly cloudy
 13° /6° 0 mm 0 cm
11 Dec. Moderate rain
Moderate rain
 13° /8° 11.3 mm 0 cm
12 Dec. Patchy rain possible
Patchy rain possible
 12° /7° 0.5 mm 0 cm
13 Dec. Sunny
Sunny
 12° /6° 0.3 mm 0 cm
14 Dec. Moderate rain
Moderate rain
 9° /6° 14.6 mm 0 cm
15 Dec. Sunny
Sunny
 11° /4° 0 mm 0 cm
16 Dec. Partly cloudy
Partly cloudy
 13° /4° 0 mm 0 cm
17 Dec. Patchy rain possible
Patchy rain possible
 12° /9° 4.3 mm 0 cm
18 Dec. Partly cloudy
Partly cloudy
 12° /7° 0.1 mm 0 cm
19 Dec. Partly cloudy
Partly cloudy
 13° /7° 0 mm 0 cm
20 Dec. Partly cloudy
Partly cloudy
 15° /11° 0 mm 0 cm
21 Dec. Partly cloudy
Partly cloudy
 17° /11° 0 mm 0 cm
22 Dec. Moderate rain
Moderate rain
 14° /10° 5.3 mm 0 cm
23 Dec. Sunny
Sunny
 11° /7° 0 mm 0 cm
24 Dec. Sunny
Sunny
 12° /5° 0 mm 0 cm
25 Dec. Patchy rain possible
Patchy rain possible
 5° /2° 0.1 mm 0 cm
26 Dec. Patchy rain possible
Patchy rain possible
 5° /0° 0.2 mm 0.1 cm
27 Dec. Sunny
Sunny
 8° /0° 0 mm 0 cm
28 Dec. Partly cloudy
Partly cloudy
 10° /3° 0.5 mm 0 cm
29 Dec. Sunny
Sunny
 10° /3° 0 mm 0 cm
30 Dec. Overcast
Overcast
 11° /4° 0.1 mm 0 cm
31 Dec. Light rain
Light rain
 12° /5° 4.6 mm 0 cm
Next
Important Notice
Our weather forecast for Iwakuni 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 Iwakuni forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Iwakuni weather in December vs November vs January

Compare December weather in Iwakuni 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
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures16°/10°11°/4°8°/2°
Rainfall110 mm34 mm46 mm
Snowfall0 cm0 cm1 cm
Wind18.4 km/h18.7 km/h18.4 km/h
Humidity73%69%68%
Rainy days9 days5 days9 days
Snow days0 days1 days4 days
Dry days21 days25 days18 days

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

Iwakuni in December - FAQ

What are the expected maximum and minimum temperatures in Iwakuni during December?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 4°.
How much rainfall should be expected in Iwakuni during December?
In December, Iwakuni can expect light to moderate rainfall, totaling 33.6 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Iwakuni in December 2025?
Iwakuni typically sees 0.23 cm of snowfall during December.
What are the typical wind conditions in Iwakuni during December?
The average wind speed in Iwakuni during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Iwakuni in December?

As you prepare for your trip to Iwakuni 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 Iwakuni, during December, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather

Iwakuni snow forecast December 2025

Track daily snowfall levels and discover Iwakuni’s snowy potential this December ❄️
On average, Iwakuni sees 1 snowy days during December, with approximately 0.2 cm of total snowfall.

December rainfall patterns in Iwakuni

Explore the daily rainfall trends and prepare for Iwakunis December weather 💧
Typically, Iwakuni has 5 rainy days in December with a total of 33.6 mm of rainfall.

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Location coordinates Where is Iwakuni?

Get accurate weather forecasts for Iwakuni, located at latitude 34.163 and longitude 132.22. Stay updated with localized weather information tailored for Iwakuni.

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