Current sea water temperature:
+63.9°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 4 | 63.9°F | November 29 | 64.0°F |
| December 3 | 63.9°F | November 28 | 63.9°F |
| December 2 | 64.2°F | November 27 | 64.6°F |
| December 1 | 64.4°F | November 26 | 64.0°F |
| November 30 | 63.9°F | November 25 | 63.9°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: 20:09
December 04, thursday
2100
57°F
S
6 mph
6 mph
December 05, friday
0000
54°F
S
6 mph
6 mph
0300
52°F
S
4 mph
4 mph
0600
50°F
S
3 mph
3 mph
0900
52°F
SW
3 mph
3 mph
1200
66°F
W
2 mph
2 mph
1500
68°F
NE
5 mph
5 mph
1800
63°F
NE
5 mph
5 mph
