Weather in Tainan: December
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Average day temperature: | 75.7°F |
| Average night temperature: | 66.5°F | |
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Sea water temperature: | 76.1°F |
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Number of sunny days: | 18 days |
| Day length: | 10.7 - 10.8 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.6 in. | |
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forecast
| Tainan |
temperature
| Tainan |
Air temperature in December, °F
The highest day temperature during December of 2025 was 81°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during December were 75.9°F and 68.4°F.
Sea water temperature in Tainan in December, °F
The average sea water temperature in December of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 78.4°F and 75.0°F.
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Tainan in December is 0.3 in. It makes december the most dry month of the year.
The average wind speed value in December is 9.9 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: 7.4.
Best time for vacation in Tainan
Tainan on a weather map
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