Current sea water temperature:
+63.1°F
| Minimum sea water temperature in December: | 65.5°F |
| Maximum sea water temperature in December: | 57.2°F |
| Average sea water temperature in December: | 60.7°F |
| more information | |
14 days
forecast
forecast
| Santa Monica |
monthly
weather
weather
| Santa Monica |
Sea water temperature for the last 10 days:
| December 17 | 63.1°F | December 12 | 63.7°F |
| December 16 | 63.1°F | December 11 | 63.5°F |
| December 15 | 63.0°F | December 10 | 63.1°F |
| December 14 | 63.1°F | December 9 | 63.5°F |
| December 13 | 63.3°F | December 8 | 63.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Santa Monica?
Based on the data about daily sea water temperature for the last three years the warmest sea in Santa Monica was noticed in August, September and July.
Monthly Sea Temperatures in Santa Monica, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.5°F. The highest and lowest sea temperatures during the month were 73.2°F and 67.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 70.3°F. The highest and lowest sea temperatures during the month were 72.5°F and 67.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 69.4°F and 66.6°F.
current
weather
weather
| Santa Monica |
weather in
December
December
| Santa Monica |
Best time for vacation in Santa Monica
Santa Monica on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Santa Monica
Local time: 17:37
December 17, wednesday
1800
61°F
SE
4 mph
4 mph
2100
59°F
SE
14 mph
14 mph
December 18, thursday
0000
55°F
S
6 mph
6 mph
0300
54°F
S
4 mph
4 mph
0600
57°F
S
5 mph
5 mph
0900
59°F
S
5 mph
5 mph
1200
72°F
E
4 mph
4 mph
1500
73°F
E
6 mph
6 mph
