South San Francisco Weather History California, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Sat 05 Sep, 2026 Weather in South San Francisco

Sunrise: 06:43 AM Sunset: 07:33 PM	Moonrise: Does not rise today Moonset: 03:44 PM	Max: 24.0 °c	Min: 12.8 °c	Avg: 17.1 °c	Precip: 0.00 mm	Max Wind: 26.3 kph

	Sat 05 0:00 am	Sat 05 3:00 am	Sat 05 6:00 am	Sat 05 9:00 am	Sat 05 12:00 pm	Sat 05 3:00 pm	Sat 05 6:00 pm	Sat 05 9:00 pm
Icon
Temp	14.1°c	12.9°c	12.8°c	16.8°c	21.3°c	23.9°c	18.8°c	15.1°c
Wind	17.6 kmph	9.4 kmph	2.2 kmph	5.0 kmph	13.0 kmph	26.3 kmph	22.7 kmph	19.1 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	8%	9%	25%	7%	2%	1%	97%	27%
Humidity	90%	92%	88%	80%	59%	56%	68%	82%
Pressure	1014 mb	1014 mb	1014 mb	1015 mb	1016 mb	1015 mb	1014 mb	1014 mb

South San Francisco Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	14°C / 57°F	9°C / 48°F	11°C / 52°F	213 hours	109.32 mm / 4.30 In	6 days	1020 mb / 31 In
February	14°C / 58°F	9°C / 48°F	11°C / 52°F	197 hours	118.49 mm / 4.67 In	5 days	1019 mb / 31 In
March	15°C / 58°F	9°C / 49°F	12°C / 53°F	195 hours	92.76 mm / 3.65 In	6 days	1018 mb / 31 In
April	15°C / 60°F	10°C / 50°F	12°C / 54°F	239 hours	37.35 mm / 1.47 In	3 days	1017 mb / 31 In
May	16°C / 62°F	11°C / 52°F	14°C / 56°F	249 hours	16.04 mm / 0.63 In	2 days	1015 mb / 30 In
June	18°C / 65°F	12°C / 54°F	15°C / 60°F	269 hours	4.93 mm / 0.19 In	1 days	1013 mb / 30 In
July	19°C / 66°F	13°C / 56°F	16°C / 61°F	286 hours	0.78 mm / 0.03 In	0 days	1014 mb / 30 In
August	20°C / 67°F	14°C / 57°F	17°C / 62°F	288 hours	0.36 mm / 0.01 In	0 days	1013 mb / 30 In
September	20°C / 68°F	14°C / 58°F	17°C / 63°F	289 hours	5.27 mm / 0.21 In	0 days	1013 mb / 30 In
October	19°C / 66°F	13°C / 56°F	16°C / 61°F	272 hours	36.91 mm / 1.45 In	2 days	1016 mb / 30 In
November	16°C / 61°F	11°C / 51°F	13°C / 56°F	244 hours	67.12 mm / 2.64 In	4 days	1018 mb / 31 In
December	14°C / 57°F	9°C / 48°F	11°C / 52°F	195 hours	133.85 mm / 5.27 In	7 days	1019 mb / 31 In

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