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Complete information on the sea temperature range in the Gulf of Mexico (Gulf of America) in Siesta Key in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Siesta Key. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
MINIMUN
AVERAGE
MAXIMUM
| Dec 1 | 72°C | 68°C | 73°C | 70°C |
| Dec 2 | 70°C | 70°C | 73°C | 70°C |
| Dec 3 | 70°C | 72°C | 72°C | 70°C |
| Dec 4 | 70°C | 70°C | 72°C | 69°C |
| Dec 5 | 68°C | 72°C | 73°C | 70°C |
| Dec 6 | 66°C | 72°C | 72°C | 70°C |
| Dec 7 | 66°C | 70°C | 73°C | 69°C |
| Dec 8 | 66°C | 66°C | 68°C | 68°C |
| Dec 9 | 68°C | 66°C | 68°C | 69°C |
| Dec 10 | 66°C | 68°C | 73°C | 70°C |
| Dec 11 | 66°C | 68°C | 73°C | 70°C |
| Dec 12 | 68°C | 68°C | 73°C | 70°C |
| Dec 13 | 66°C | 68°C | 72°C | 70°C |
| Dec 14 | 64°C | 66°C | 72°C | 69°C |
| Dec 15 | 64°C | 66°C | 73°C | 69°C |
| Dec 16 | 64°C | 66°C | 72°C | 69°C |
| Dec 17 | 64°C | 66°C | 72°C | 69°C |
| Dec 18 | 64°C | 66°C | 72°C | 69°C |
| Dec 19 | 66°C | 66°C | 72°C | 69°C |
| Dec 20 | 66°C | 66°C | 70°C | 69°C |
| Dec 21 | 66°C | 64°C | 68°C | 68°C |
| Dec 22 | 64°C | 64°C | 68°C | 67°C |
| Dec 23 | 64°C | 64°C | 68°C | 67°C |
| Dec 24 | 63°C | 63°C | 68°C | 66°C |
| Dec 25 | 64°C | 63°C | 66°C | 66°C |
| Dec 26 | 66°C | 63°C | 64°C | 66°C |
| Dec 27 | 66°C | 64°C | 63°C | 66°C |
| Dec 28 | 64°C | 64°C | 63°C | 66°C |
| Dec 29 | 64°C | 64°C | 63°C | 65°C |
| Dec 30 | 66°C | 64°C | 63°C | 66°C |
Average Day Air Temperature
Average Night Air Temperature
Precipitation Amount per Month
Number of Rainy Days
Daylight
per Day
Sunshine
per Day
Average Wind Speed
Average
humidity
Siesta Key lies within the Florida in United States. The average daytime temperature in Siesta Key in December is 75°F (24°C), while the nighttime average is 54°F (12°C). There are typically seven rainy days during the month, with a total precipitation of 2.3 inches (58 mm). The daylight duration in December in Siesta Key is 10 hours, with an average of 6 hours of sunshine per day. The average wind speed in December is 8 mph (13 km/h), and the humidity level is around 75%.
The water temperature in Siesta Key in December ranges from 64°F to 70°F (18°C to 21°C). At the beginning of the month, the average temperature is around 70°F (21°C), shifting to 70°F (21°C) by mid-December and reaching 66°F (19°C) in the last ten days. Overall, the average sea temperature in Siesta Key for December is 68°F (20°C). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.
The water temperature in the Gulf of Mexico (Gulf of America) in Siesta Key in December ranges from 64°F to 70°F (18°C to 21°C).
Is it possible to swim in the Gulf of Mexico (Gulf of America) in Siesta Key in December?The average sea temperature in Siesta Key in December is 68°F (20°C), and the air temperature is 75°F (24°C), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.
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