Weather in Sao Sebastiao: December
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Average day temperature: | 78.4°F |
| Average night temperature: | 71.3°F | |
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Sea water temperature: | 77.7°F |
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Number of sunny days: | 5 days |
| Day length: | 13.5 - 13.6 hours | |
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Number of rainy days: | 6 days |
| Precipitation totals: | 2.9 in. | |
| more information | ||
forecast
| Sao Sebastiao |
temperature
| Sao Sebastiao |
Air temperature in December, °F
The highest day temperature during December of 2025 was 87°F. At the same time the lowest night temperature was 65°F. Daily and nightly averages during December were 80.5°F and 70.8°F.
Sea water temperature in Sao Sebastiao in December, °F
The average sea water temperature in December of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 82.0°F and 74.8°F.
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Sao Sebastiao in December is 2.9 in. Other months of the year show relatively similar values.
The average wind speed value in December is 5.4 mph
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: 6.1.
Best time for vacation in Sao Sebastiao
Sao Sebastiao on a weather map
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