Weather in Comodoro Rivadavia: December
| Average day temperature: | 67.5°F | |
| Average night temperature: | 58.9°F | |
| Sea water temperature: | 55.8°F | |
| Number of sunny days: | 22 days | |
| Day length: | 15.5 - 15.7 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.2 in. | |
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forecast
| Comodoro Rivadavia |
temperature
| Comodoro Rivadavia |
Air temperature in December, °F
The highest day temperature during December of 2025 was 77°F. At the same time the lowest night temperature was 49°F. Daily and nightly averages during December were 67.6°F and 57.2°F.
Sea water temperature in Comodoro Rivadavia in December, °F
The average sea water temperature in December of 2025 was 55.3°F. The highest and lowest sea temperatures during the month were 57.4°F and 54.0°F.
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Comodoro Rivadavia in December is 0.2 in. Other months of the year show relatively similar values.
The average wind speed value in December is 14.6 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: 12.0.
Best time for vacation in Comodoro Rivadavia
Comodoro Rivadavia on a weather map

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