Opal Cliffs Weather in December
What's the weather like in Opal Cliffs (California) in December 2024?
The climate in Opal Cliffs during December can be summarized as cool and damp.
December is in the winter in Opal Cliffs and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 15°C 58.9°F |
|---|---|
| Nightly temperature | 3.7°C 38.6°F |
| Average temperature | 9.3°C 48.7°F |
| Daily sunshine | 5.5 hrs |
| Avg rainfall | 110 mm 4.3 ins |
| Rainy days | 9 days |
| Sea temperature | 13.4°C 56.1°F |
| Humidity | 80% |
| Windspeed | 11.9kph 7 mph |
On average December is the 2nd wettest month of the year in Opal Cliffs with around 110mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
December temperatures in Opal Cliffs
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 Opal Cliffs in December 2024.
Other monthly averages
Best places to visit in December
Opal Cliffs weather stats
| Hottest month: | August | 24.5°C 76.1°F |
|---|---|---|
| Driest month: | July | 2mm 0.1ins |
| Sunniest month: | April | 11.2hrs |
| Coldest month: | December | 14.7°C 58.5°F |
| Wettest month: | January | 135mm 5.3ins |
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