Weather in San Antonio: December
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Average day temperature: | 66.0°F |
| Average night temperature: | 55.6°F | |
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Sea water temperature: | 57.9°F |
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Number of sunny days: | 28 days |
| Day length: | 14.2 - 14.4 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.0 in. | |
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forecast
| San Antonio |
temperature
| San Antonio |
Air temperature in December, °F
The highest day temperature during December of 2023 was 67°F. At the same time the lowest night temperature was 51°F. Day and night temperature averages during December were 63.0°F and 54.5°F.
Sea water temperature in San Antonio in December, °F
The average sea water temperature in December of 2023 was 58.9°F. The highest and lowest sea temperatures during the month were 62.8°F and 56.1°F.
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in San Antonio in December is 0.0 in. Other months of the year show relatively similar values.
The average wind speed value in December is 8.3 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: 13.0.
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San Antonio on a weather map
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