Measurements:
°C
°F
Santa Monica
64°F
S 17 mph
Feels like: 64°F
Precip: 0%
World Resorts USA Santa Monica Weather

Santa Monica Sea Water Temperature

Current Sea Water Temperature:
+63.0°F
Maximum Sea Water Temperature in January: 63.6°F
Minimum Sea Water Temperature in January: 55.2°F
Average water temperature in January: 59.9°F

Sea Water Temperature for the Last 10 Days:

January 08 63.0°F January 03 62.6°F
January 07 63.0°F January 02 63.0°F
January 06 62.6°F January 01 62.8°F
January 05 62.8°F December 31 63.0°F
January 04 62.6°F December 30 63.4°F

When is the Warmest Sea for Santa Monica?

According to our data for the last three years for Santa Monica the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Santa Monica was 72.8°F. The maximum and minimum values were 69.6°F and 75.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Santa Monica was 72.6°F. The maximum and minimum values were 69.4°F and 75.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Santa Monica was 69.7°F. The maximum and minimum values were 68.4°F and 71.6°F respectively.

Best Time to Visit Santa Monica
The most sunny months:
July 24 days
August 24 days
October 22 days
The most warm months:
August 83.7 °F
September 81.2 °F
July 80.8 °F
Warmest sea temperature:
August 71.1 °F
September 70.9 °F
July 70.0 °F
The most cold months:
January 65.4 °F
December 65.5 °F
February 65.6 °F
The most rainy months:
January 2 days
March 2 days
February 1 day
The most windy months:
April 7 mph
May 7 mph
March 6 mph

Santa Monica on the Weather Map

USA Resorts:
NAME
Chicago +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Santa Monica
Local time: 12:30
08 jan, thursday
1500 64°F
S
17 mph
1800 54°F
S
16 mph
2100 46°F
S
12 mph
09 jan, friday
0000 44°F
S
9 mph
0300 44°F
S
7 mph
0600 44°F
S
7 mph
0900 50°F
S
6 mph
1200 58°F
S
5 mph