Measurements:
°C
°F
Santa Monica
66°F
N 5 mph
Feels like: 66°F
Precip: 26%
World Resorts USA Santa Monica Weather

Santa Monica Sea Water Temperature

Current Sea Water Temperature:
+64.4°F
Maximum Sea Water Temperature in June: 72.4°F
Minimum Sea Water Temperature in June: 55.4°F
Average water temperature in June: 66.4°F

Sea Water Temperature for the Last 10 Days:

June 04 64.4°F May 29 65.0°F
June 03 64.6°F May 28 65.2°F
June 01 62.8°F May 27 65.0°F
May 31 62.6°F May 26 66.0°F
May 30 63.2°F May 25 66.6°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:
August 24 days
July 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:
December 65.5 °F
January 65.7 °F
February 65.9 °F
The most rainy months:
January 2 days
February 2 days
March 2 days
The most windy months:
April 7 mph
May 7 mph
March 6 mph

Santa Monica on the Weather Map

USA Resorts:
NAME
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +94
Los Angeles +68
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Santa Monica
Local time: 10:17
04 jun, thursday
1200 70°F
NE
8 mph
1500 70°F
NE
9 mph
1800 66°F
NE
7 mph
2100 66°F
NE
4 mph
05 jun, friday
0000 66°F
N
3 mph
0300 66°F
NE
2 mph
0600 66°F
NE
1 mph
0900 72°F
N
4 mph