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
Naples 88.7°F 87.0°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
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
Cocoa Beach 86.8°F 84.5°F
Bay Saint Louis 86.6°F 87.6°F
Pensacola 86.5°F 87.2°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
+52°F
W 2 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+77°F
+77°F
+70°F
+70°F
+73°F
+77°F
+72°F
+37°F
+66°F
+52°F
+73°F
+75°F
+63°F
+36°F
24 Hours Forecast
San Francisco
Local time: 12:15
December 16, tuesday
1500
54°F
E
3 mph
1800
55°F
E
5 mph
2100
55°F
N
5 mph
December 17, wednesday
0000
55°F
NE
6 mph
0300
55°F
NE
5 mph
0600
55°F
NE
6 mph
0900
55°F
NE
6 mph
1200
57°F
NE
6 mph
Units of measurement: °C / °F