World Resorts USA San Francisco Weather

San Francisco Sea Temperature in August

Average sea water temperature in August:
+61.7°F
Minimum sea water temperature in August: 67.5°F
Maximum sea water temperature in August: 55.8°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 65.1°F and 62.4°F.

Monthly sea water temperature in San Francisco, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Sanibel Island 88.8°F 87.3°F
Everglades 88.8°F 87.0°F
Islamorada 88.8°F 87.3°F
Key West 88.8°F 87.8°F
Cape Coral 88.7°F 86.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Galveston 87.9°F 88.3°F
Galveston Island 87.8°F 88.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F

Best time for vacation in San Francisco

Sunniest months:
October 18 days
June 18 days
May 17 days
Warmest months:
August 65.5 °F
September 65.0 °F
October 64.2 °F
Warmest sea temp:
September 62.0 °F
August 61.7 °F
October 60.7 °F
Coldest months:
December 54.2 °F
January 54.6 °F
February 55.5 °F
Rainiest months:
March 4 days
December 4 days
January 4 days
Windiest months:
May 9.9 mph
June 9.7 mph
April 9.4 mph

San Francisco on a weather map

San Francisco
+54°F
N 32 mph
Feels like: +50°F
Precip.: 100%
Places in USA:
Name
°F
+36°F
+73°F
+73°F
+55°F
+59°F
+68°F
+72°F
+66°F
+28°F
+63°F
+54°F
+59°F
+57°F
+68°F
+39°F
24 Hours Forecast
San Francisco
Local time: 00:49
December 25, thursday
0300
52°F
N
38 mph
0600
54°F
NE
25 mph
0900
55°F
NE
21 mph
1200
55°F
N
18 mph
1500
55°F
N
20 mph
1800
55°F
N
24 mph
2100
55°F
NE
20 mph
December 26, friday
0000
55°F
NE
25 mph
Units of measurement: °C / °F