Weather in Ubatuba: December
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Average day temperature: | 77.3°F |
| Average night temperature: | 63.8°F | |
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Sea water temperature: | 77.0°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: | 15 days |
| Precipitation totals: | 9.1 in. | |
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forecast
| Ubatuba |
temperature
| Ubatuba |
Air temperature in December, °F
The highest day temperature during December of 2025 was 90°F. At the same time the lowest night temperature was 56°F. Daily and nightly averages during December were 80.0°F and 63.1°F.
Sea water temperature in Ubatuba in December, °F
The average sea water temperature in December of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 83.3°F and 75.6°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 Ubatuba in December is 8.7 in. It makes december one of the most rainy months of the year.
The average wind speed value in December is 3.6 mph The wind's strength is relatively same during the whole 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: 5.2.
Best time for vacation in Ubatuba
Ubatuba on a weather map
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