San Francisco Water Temperature

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San Francisco is a city close to San Francisco Bay. September is the month with the warmest water temperature at 57.9°F / 14.4°C. The coolest month is April with an avg. water temperature of 52°F / 11.1°C. January is the sunniest at 0in / 0mm and February the wettest month with 0.2in / 5.1mm. The average air temperature is around 62.6°F / 17°C, September is the hottest month in a year. January is the coolest with 49.3°F / 9.6°C average air temperature. temperate climate with warm and dry summer would be the climate here. June, July, August, September would be the best time to visit.

San Francisco Summary

Description	Value
Current water temperature	/
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
Driest Month:	January with 0in / 0mm
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

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San Francisco water temperature by month

°F

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

°C

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

September is the month with the highest water temperature at 57.9°F / 14.4°C. The month with the lowest is April with an average water temperature of 52°F / 11.1°C.

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San Francisco weather today & 14-day weather forecast

7-day weather forecast
+9-day forecast

7-day weather forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Nov. 20	Moderate rain	61 °F 51°F	16 °C 11°C	6mph (10km/h) south-southeast	0in (11mm) 85 %	74%
Nov. 21	Heavy rain	65 °F 56°F	18 °C 13°C	6mph (9km/h) south-southeast	1in (22mm) 90 %	83%
Nov. 22	Heavy rain	63 °F 56°F	17 °C 13°C	5mph (8km/h) south	2in (56mm) 95 %	88%
Nov. 23	Heavy rain	60 °F 51°F	16 °C 11°C	2mph (3km/h) southwest	1in (23mm) 90 %	84%
Nov. 24	Heavy rain	58 °F 49°F	14 °C 10°C	2mph (4km/h) east-southeast	1in (20mm) 90 %	84%
Nov. 25	Moderate rain	57 °F 51°F	14 °C 10°C	3mph (4km/h) south-southeast	0in (11mm) 85 %	85%
Nov. 26	Scattered clouds	56 °F 52°F	13 °C 11°C	2mph (3km/h) west-southwest	0in (1mm) 30 %	78%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Nov. 27	Scattered clouds	55 °F 49°F	13 °C 10°C	2mph (3km/h) northeast	0in (0mm) 0 %	64%
Nov. 28	Few clouds	55 °F 47°F	13 °C 8°C	3mph (4km/h) northeast	0in (0mm) 0 %	60%
Nov. 29	Few clouds	53 °F 48°F	12 °C 9°C	2mph (4km/h) east-northeast	0in (0mm) 0 %	55%
Nov. 30	Clear Sky	53 °F 47°F	12 °C 8°C	1mph (2km/h) south	0in (0mm) 0 %	68%
Dec. 01	Overcast clouds	55 °F 47°F	13 °C 9°C	2mph (3km/h) northeast	0in (0mm) 0 %	69%
Dec. 02	Broken clouds	57 °F 47°F	14 °C 8°C	2mph (3km/h) northeast	0in (0mm) 0 %	61%
Dec. 03	Overcast clouds	58 °F 51°F	14 °C 11°C	1mph (2km/h) east-northeast	0in (0mm) 0 %	59%
Dec. 04	Light shower rain	61 °F 53°F	16 °C 12°C	4mph (6km/h) southeast	0in (2mm) 50 %	71%
Dec. 05	Heavy rain	59 °F 54°F	15 °C 12°C	6mph (10km/h) south	2in (44mm) 95 %	94%

San Francisco weather by month / climate table

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	58.6	49.3	41.2	0	0	80.3%
February	59.7	50.7	42.8	0.2	1	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%

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	14.8	9.6	5.1	0	0	80.3%
February	15.4	10.4	6	5.1	1	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%

January is the month with the lowest rain of 0in / 0mm and February with the highest precipitation in a year with 0.2in / 5.1mm. The 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.

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

San Francisco Bay