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Weather in Iwakuni for December 2026

Your guide to Iwakuni weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Iwakuni at the beginning of December is 12.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 9.9 °C by the end of December.

    • Rain 🌧️

  • Iwakuni experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 40.8 mm.

    • More

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

  • ✨ Is December a good time to visit Iwakuni? – Ask the AI Weatherman

Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
11°/4°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Iwakuni Weather December

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

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° /4° 0 mm 0 cm
5 Dec. Patchy rain possible
Patchy rain possible
 10° /4° 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° /6° 0.1 mm 0 cm
8 Dec. Patchy rain possible
Patchy rain possible
 11° /4° 1.2 mm 0 cm
9 Dec. Overcast
Overcast
 12° /6° 0 mm 0 cm
10 Dec. Partly cloudy
Partly cloudy
 13° /7° 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. Patchy rain possible
Patchy rain possible
 11° /5° 1.8 mm 0 cm
14 Dec. Light rain
Light rain
 11° /6° 3 mm 0 cm
15 Dec. Light drizzle
Light drizzle
 12° /6° 1.4 mm 0 cm
16 Dec. Patchy rain possible
Patchy rain possible
 12° /3° 0.5 mm 0 cm
17 Dec. Patchy rain possible
Patchy rain possible
 9° /4° 0.8 mm 0 cm
18 Dec. Overcast
Overcast
 9° /3° 0.1 mm 0 cm
19 Dec. Light drizzle
Light drizzle
 9° /3° 1 mm 0 cm
20 Dec. Patchy rain possible
Patchy rain possible
 10° /4° 0.5 mm 0 cm
21 Dec. Light rain
Light rain
 8° /4° 8.6 mm 0.1 cm
22 Dec. Patchy rain possible
Patchy rain possible
 7° /2° 0.5 mm 0 cm
23 Dec. Overcast
Overcast
 8° /1° 0 mm 0 cm
24 Dec. Light rain
Light rain
 10° /4° 3.4 mm 0 cm
25 Dec. Patchy rain possible
Patchy rain possible
 10° /2° 0.7 mm 0 cm
26 Dec. Partly cloudy
Partly cloudy
 9° /2° 0.6 mm 0 cm
27 Dec. Overcast
Overcast
 9° /3° 0 mm 0 cm
28 Dec. Partly cloudy
Partly cloudy
 9° /3° 0.3 mm 0 cm
29 Dec. Patchy rain possible
Patchy rain possible
 10° /3° 0.1 mm 0 cm
30 Dec. Overcast
Overcast
 11° /4° 0.3 mm 0 cm
31 Dec. Light rain
Light rain
 10° /4° 3.1 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
‹
›

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°
Rainfall72 mm41 mm34 mm
Snowfall0 cm0 cm1 cm
Wind17.6 km/h18.4 km/h19.4 km/h
Humidity71%69%66%
Rainy days6 days6 days5 days
Snow days0 days0 days2 days
Dry days24 days25 days24 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 40.8 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Iwakuni in December 2026?
Iwakuni typically sees 0.2 cm of snowfall during December.

What are the typical wind conditions in Iwakuni during December?
The average wind speed in Iwakuni during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

Iwakuni snow forecast December 2026

Track daily snowfall levels and discover Iwakuni’s snowy potential this December ❄️

December rainfall patterns in Iwakuni

Explore the daily rainfall trends and prepare for Iwakunis December weather 💧
Typically, Iwakuni has 6 rainy days in December with a total of 40.8 mm of rainfall.

What to pack to Iwakuni in December?

🌧️ Cold & raw · highs around 11 °C, occasional showers

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.

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🧥 Clothing

🎒 Accessories

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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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