Climate and Weather Charts
San Francisco International Airport (SFO)

(San Francisco, California - CA, USA)

San Francisco features a subtropical climate with typically sunny Californian weather. Warm summer months merging into mild winters typify the weather that can be expected in the San Francisco area.

The summer climate in San Francisco is at its hottest during July, August, and September, averaging 23°C / 73°F, with virtually no rain at this time of the year, although early-morning fog is common. Winters generally stay above 14°C / 57C, but the night-times can feel cold, with higher levels of both fog and rain. The average annual daytime temperatures in San Francisco are around 17°C / 63°F.

Climate Description: Subtropical climate
San Francisco Airport (SFO) Location: Northern Hemisphere, USA, California
Annual High / Low Daytime Temperatures at San Francisco: 24°C / 13°C (75°F / 55°F)
Average Daily January Temperature: 13°C / 55°F
Average Daily June Temperature: 21°C / 70°F
Annual Rainfall / Precipication San Francisco at Airport (SFO): 493 mm / 19 inches

San Francisco Airport (SFO):
Climate and Weather Charts

Temperature Chart
Temperatures	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Average
Maximum Celcius (°C)	13	15	16	17	19	21	22	22	24	21	18	14	19
Minimum Celcius (°C)	8	9	9	10	10	11	12	12	13	13	10	8	10
Maximum Fahrenheit (°F)	55	59	61	63	66	70	72	72	75	70	64	57	65
Minimum Fahrenheit (°F)	46	48	48	50	50	52	54	54	55	55	50	46	51

Rainfall / Precipitation Chart
Rainfall	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
Rainfall (mm)	112	81	76	33	8	3	0	0	5	25	61	89	493
Rainfall (inches)	4.4	3.2	3.0	1.3	0.3	0.1	0.0	0.0	0.2	1.0	2.4	3.5	19

Seasonal Chart
Seasons	Average Temp (Max °C)	Average Temp (Min °C)	Average Temp (Max °F)	Average Temp (Min °F)	Total Rainfall (mm)	Total Rainfall (inches)
Mar to May (Spring)	17	10	63	49	117	5
Jun to Aug (Summer)	22	12	71	53	3	0
Sept to Nov (Autumn / Fall)	21	12	70	53	91	4
Dec to Feb (Winter)	14	8	57	47	282	11