Iwakuni Weather in December
What's the weather like in Iwakuni (Yamaguchi) in December 2024?
The climate in Iwakuni during December can be summarized as cool and reasonably dry.
December is in the winter in Iwakuni and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 3°C (37°F) is normal.
| Daytime temperature | 11.1°C 52°F |
|---|---|
| Nightly temperature | 2.7°C 36.9°F |
| Average temperature | 6.9°C 44.4°F |
| Daily sunshine | 4.4 hrs |
| Avg rainfall | 43 mm 1.7 ins |
| Rainy days | 16 days |
| Sea temperature | 18.3°C 64.9°F |
| Humidity | 70% |
| Windspeed | 9.7kph 6 mph |
On average December is the driest month of the year in Iwakuni with around 43mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
December temperatures in Iwakuni
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Iwakuni in December 2024.
Other monthly averages
Best places to visit in December
Iwakuni weather stats
| Hottest month: | August | 30.3°C 86.5°F |
|---|---|---|
| Driest month: | December | 43mm 1.7ins |
| Sunniest month: | August | 7.2hrs |
| Coldest month: | January | 8.1°C 46.6°F |
| Wettest month: | June | 280mm 11ins |
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