Santa Monica in December
Find out everything about the water temperature in Santa Monica in December. Average, minimum and maximum recorded temperatures as well as daily temperature in December for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in December
Minimum:
71.7 °F
Average:
75.4 °F
Maximum:
80.2 °F
Sea water temperature in Santa Monica in December
In the city of Santa Monica, the month of December is a great time for swimming. The minimum recorded temperature during this month was 71.7°F on December 9, 2018, with an average temperature being 75.4°F and a maximum temperature reaching 80.2°F on December 27, 2023.
| Date | 10 years average | 2023 | 2022 |
|---|---|---|---|
| Dec 1 | 73.9°F | 73.7°F | 74.0°F |
| Dec 2 | 74.0°F | 74.7°F | 74.3°F |
| Dec 3 | 73.9°F | 73.4°F | 74.4°F |
| Dec 4 | 74.0°F | 73.4°F | 74.3°F |
| Dec 5 | 74.0°F | 74.1°F | 74.7°F |
| Dec 6 | 74.1°F | 74.2°F | 75.0°F |
| Dec 7 | 74.4°F | 74.3°F | 75.9°F |
| Dec 8 | 74.2°F | 74.5°F | 76.2°F |
| Dec 9 | 74.2°F | 74.4°F | 76.9°F |
| Dec 10 | 74.5°F | 74.4°F | 77.7°F |
| Dec 11 | 74.7°F | 74.3°F | 77.0°F |
| Dec 12 | 75.0°F | 75.0°F | 76.9°F |
| Dec 13 | 74.9°F | 75.6°F | 76.2°F |
| Dec 14 | 75.4°F | 76.7°F | 77.0°F |
| Dec 15 | 75.4°F | 76.3°F | 76.6°F |
| Dec 16 | 75.3°F | 76.9°F | 76.2°F |
| Dec 17 | 75.5°F | 78.2°F | 75.6°F |
| Dec 18 | 75.5°F | 77.7°F | 75.1°F |
| Dec 19 | 75.5°F | 78.6°F | 74.9°F |
| Dec 20 | 75.6°F | 78.7°F | 74.6°F |
| Dec 21 | 76.0°F | 80.0°F | 74.9°F |
| Dec 22 | 76.3°F | 79.8°F | 74.8°F |
| Dec 23 | 76.1°F | 78.6°F | 74.9°F |
| Dec 24 | 76.5°F | 80.2°F | 76.0°F |
| Dec 25 | 76.4°F | 79.3°F | 76.0°F |
| Dec 26 | 76.4°F | 79.4°F | 76.1°F |
| Dec 27 | 76.8°F | 80.2°F | 76.0°F |
| Dec 28 | 76.7°F | 78.5°F | 75.9°F |
| Dec 29 | 76.9°F | 78.2°F | 76.7°F |
| Dec 30 | 77.0°F | 78.4°F | 75.7°F |
| Dec 31 | 77.4°F | 78.0°F | 76.4°F |
In Santa Monica, the months December through April offer comfortable swimming conditions, which amounts to 162 swimming days.
The warmest water in Santa Monica was recorded on February 11, 2024, reaching a 83.2°F. While the coldest temperature occurred on June 14, 2016, dipping to 59.3°F. The average readings by season are 77.8°F in Winter, 74.8°F in Spring, 65.5°F in Summer, and 69.3°F in Autumn.
The average temperature in December is slightly warmer than November's average of 72.3°F. And in January, the temperature is expected to rise further, potentially reaching an average of 78.9°F.