Weather in Adelaide: December
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Average day temperature: | 76.6°F |
Average night temperature: | 62.5°F | |
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Sea water temperature: | 68.1°F |
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Number of sunny days: | 21 days |
Day length: | 14.3 - 14.5 hours | |
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Number of rainy days: | 2 days |
Precipitation totals: | 0.8 in. | |
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Adelaide |
temperature
Adelaide |
Air temperature in December, °F
Day temperature | Night temperature |
The highest day temperature during December of 2024 was 91°F. At the same time the lowest night temperature was 55°F. Daily and nightly averages during December were 75.3°F and 63.6°F.
Sea water temperature in Adelaide in December, °F
The average sea water temperature in December of 2024 was 70.8°F. The highest and lowest sea temperatures during the month were 72.1°F and 68.7°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Adelaide in December is 1.0 in. Other months of the year show relatively similar values.
The average wind speed value in December is 9.7 mph It makes December one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 11.1.
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Adelaide on a weather map

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14 mph

15 mph