
Is it warm enough to swim in Stella Maris in December? Average water temperature in Stella Maris in December is 79.5°F and therefore suitable for comfortable swimming. The warmest sea in Stella Maris in December is 82.9°F, and the coldest is 75.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Stella Maris
To get an accurate forecast for the water temperature in Stella Maris for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Stella Maris, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of December.
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| December 1 | 80.4°F | 81°F | 77°F | 82.9°F |
| December 2 | 80.2°F | 81°F | 77.4°F | 82.8°F |
| December 3 | 80.1°F | 80.8°F | 77.4°F | 82.2°F |
| December 4 | 80.2°F | 80.4°F | 77.2°F | 81.9°F |
| December 5 | 80.2°F | 79.9°F | 77.5°F | 82°F |
| December 6 | 80.8°F | 79.7°F | 77.9°F | 82°F |
| December 7 | 80.4°F | 79.5°F | 77.2°F | 82°F |
| December 8 | 80.6°F | 79.2°F | 77.4°F | 81.7°F |
| December 9 | 80.6°F | 79.2°F | 77.5°F | 82.2°F |
| December 10 | 80.4°F | 78.8°F | 78.3°F | 81.7°F |
| December 11 | 80.4°F | 78.8°F | 77.4°F | 81.7°F |
| December 12 | 80.6°F | 78.4°F | 77.4°F | 81.7°F |
| December 13 | 80.2°F | 77.9°F | 77.9°F | 82°F |
| December 14 | 80.2°F | 77.9°F | 77.5°F | 81.3°F |
| December 15 | 80.1°F | 78.1°F | 77.7°F | 81.3°F |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| December 16 | 79.7°F | 78.1°F | 77°F | 81°F |
| December 17 | 80.2°F | 78.6°F | 76.5°F | 80.8°F |
| December 18 | 80.1°F | 78.4°F | 76.6°F | 80.6°F |
| December 19 | 79.5°F | 78.4°F | 76.6°F | 80.6°F |
| December 20 | 79.9°F | 78.6°F | 76.3°F | 80.6°F |
| December 21 | 80.2°F | 78.8°F | 76.6°F | 80.6°F |
| December 22 | 80.1°F | 78.4°F | 76.6°F | 80.4°F |
| December 23 | 79.9°F | 78.1°F | 76.5°F | 80.4°F |
| December 24 | 79.7°F | 78.1°F | 75.9°F | 80.6°F |
| December 25 | 79.5°F | 77.4°F | 75.9°F | 80.6°F |
| December 26 | 79.2°F | 77.2°F | 77.2°F | 80.4°F |
| December 27 | 79.2°F | 77.7°F | 76.5°F | 80.8°F |
| December 28 | 79.3°F | 77.2°F | 76.1°F | 80.4°F |
| December 29 | 79.5°F | 77.4°F | 75.9°F | 81°F |
| December 30 | 79.7°F | 77.2°F | 75.9°F | 80.6°F |
| December 31 | 80.2°F | 76.8°F | 76.1°F | 80.6°F |

Want to know the water temperature and sea conditions in a location you're interested in without having to search for it every time? Install our app for Android or iOS and stay up-to-date.
| 2016 | 2017 | 2018 | 2019 | 2020 |
| 79.3°F | 79.7°F | 80.4°F | 80.4°F | 79.9°F |
| 2021 | 2022 | 2023 | 2024 | 2025 |
| 80.6°F | 81°F | 80.8°F | 78.6°F | 80.1°F |
You can also view information about water temperature for other months by clicking on the month button below