San Francisco Water Temperature

San Francisco is a city close to San Francisco Bay. September is the month with the highest water temperature at 57.9°F / 14.4°C.
The coldest month is April with an average water temperature of 52°F / 11.1°C.
January is the driest at 0in / 0mm and February the wettest month with 0.2in / 5.1mm.
With an average air temperature of 62.6°F / 17°C, September is the warmest month in a year. January is the coldest with 49.3°F / 9.6°C average air temperature.
The Climate is described as temperate climate with warm and dry summer. Best time to Visit would be in June, July, August, September.




Summary

Description Value
Current water temperature 53.6 °F / 12 °C
Warmest Month Water Temperature: September with 57.9°F / 14.4°C
Coldest Month Water Temperature: April with 52°F / 11.1°C
Warmest Month Air Temperature: September with 62.6°F / 17°C
Coldest Month Air Temperature: January with 49.3°F / 9.6°C
Wettest Month: February with 0.2in / 5.1mm
Highest Humidity January with 80.3%
Lowest Humidity June with 68.7%
Best Time to Visit: June, July, August, September
Climate Classification temperate climate with warm and dry summer

San Francisco Water Temperature

San Francisco,United States of America: The current water temperature 53.6 °F

The temperature is too cold to swim

San Francisco Bay water temperature by month

Max. Water

Temperature

(°F)

ø. Water

Temperature

(°F)

Min. Water

Temperature

(°F)

January

52.5 52.3 52.2

February

52.9 52.7 52.3

March

53.2 52.9 52.3

April

52.5 52.2 51.8
May 53.2 52.3 52

June

55.2 53.4 52.5

July

56.8 55.8 54.5

August

57.9 57.4 56.5

September

58.3 57.7 57.2

October

57.4 56.7 55.9

November

56.1 55.2 54.1

December

54.1 53.4 52.5

San Francisco,United States of America: The current water temperature 12 °C

The temperature is too cold to swim

San Francisco Bay water temperature by month

Max. Water

Temperature

(°C)

ø. Water

Temperature

(°C)

Min. Water

Temperature

(°C)

January

11.4 11.3 11.2

February

11.6 11.5 11.3

March

11.8 11.6 11.3

April

11.4 11.2 11
May 11.8 11.3 11.1

June

12.9 11.9 11.4

July

13.8 13.2 12.5

August

14.4 14.1 13.6

September

14.6 14.3 14

October

14.1 13.7 13.3

November

13.4 12.9 12.3

December

12.3 11.9 11.4
The highest water temperature will be reached in September with around 57.9°F / 14.4°C. The lowest in April with an average water temperature of 52°F / 11.1°C.

San Francisco weather forecast for the next 14 days

San Francisco weather by month

Max.

Temperature

(°F)

ø.

Temperature

(°F)

Min.

Temperature

(°F)

Precip.

(inch)

Rainy Days

(day)

Rel. Humidity

(%)

January

58.6 49.3 41.2 0 0 80.3%

February

59.7 50.7 42.8 0.2 0.6 79.3%

March

63.9 52.7 44.8 0 0 78%

April

65.8 54.3 46.8 0 0 73.1%

May

68.9 57.4 49.3 0 0 70.5%

June

73.4 60.6 51.6 0 0 68.7%

July

72.7 61.3 53.6 0 0 74%

August

74.5 62.1 55.2 0 0 74.8%

September

76.6 62.6 54.5 0 0 71.2%

October

73.6 60.3 51.6 0 0 69.3%

November

67.3 54.5 44.2 0 0 75.7%

December

59.4 49.8 42.1 0 0 78.9%
Max.

Temperature

(°C)

ø.

Temperature

(°C)

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(days)

Rel. Humidity

(%)

January

14.8 9.6 5.1 0 0 80.3%

February

15.4 10.4 6 5.1 0.6 79.3%

March

17.7 11.5 7.1 0 0 78%

April

18.8 12.4 8.2 0 0 73.1%

May

20.5 14.1 9.6 0 0 70.5%

June

23 15.9 10.9 0 0 68.7%

July

22.6 16.3 12 0.2 0 74%

August

23.6 16.7 12.9 0.2 0 74.8%

September

24.8 17 12.5 0 0 71.2%

October

23.1 15.7 10.9 0 0 69.3%

November

19.6 12.5 6.8 0 0 75.7%

December

15.2 9.9 5.6 0 0 78.9%
The hottest avg. temperature is around 62.6°F / 17°C, September is the month with the highest temperature. January is the coolest with 49.3°F / 9.6°C average temperature. January is the month with the lowest precipitation of 0in / 0mm and February with the maximum precipitation in a year with 0.2in / 5.1mm.

Activities & POI in San Francisco

Type of Activity List
Beach East Beach
Marina for Sailing, Boat adventures, fishing South Beach Harbor, Treasure Island Sailing Center, Stow Lake Boathouse & Bike Rental, Yacht Harbor, East Harbor, Port of Trade Winds Harbor
Attraction Dragon's Gate, Alamo Square Historic District, Painted Ladies, Twin Peaks, Treasure Island Naval Station, Golden Gate Fortune Cookie Factory, Sea Lions, Madame Tussauds San Francisco, Magowan's Infinite Mirror Maze, National AIDS Memorial Grove, Bank of Canton (former Chinese Telephone Exchange), Musical Steps, California and Powell streets, Rainbow Crosswalk, Tobin House, Frank lloyd Wright building, Graffiti, Bay Cruise Line, Whale Tours, Jimmy Hendrix house, Grateful Dead house, Janis Joplin house, Lombard Street, Little Italy, Pier 39 Fishermans Wharf, Fisherman's Wharf of San Francisco, Car Pool Pickup To Vallejo;Car Pool Pickup to Vallejo, Pier 39 Fisherman's Wharf, Crab Statue, Lennon Rehearsal & Music Services, Lennon Music & Rehearsal Services, China Town, Pride Barbie Doll Display in private windows, Bradford Street, Salesforce Park Cable Car, Peephole Cinema, Seward Street Slides, Jazz mural, Alamo Square Park, Matter of Trust Eco-Home, Cable Car Turntable (Hyde & Beach), Cable Car Turntable (Taylor & Bay), Cable Car Turntable (Powell & Market), Transamerica Pyramid, Ghirardelli Square, Conservatory of Flowers, Spreckels Temple of Music, Japanese Tea Garden, City Lights Booksellers, Pioneer Log Cabin, Rose Garden, Chinese Pavillion, San Francisco Botanical Garden, San Francisco Carousel, United Nations Plaza, McLaren Lodge, Alma, Eureka, Hercules, Eppleton Hall, Balclutha, C. A. Thayer, Statue of Christopher Columbus, Mohatama Gandhi Statue, Pier 39, Alhambra Theatre, Palace of Fine Arts, San Francisco Ferry Building, Alamo Square
Golf Course Presidio Golf Course
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