San Francisco Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

San Francisco Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	6.7250000000000005	10.1		12.912500000000003	13.5
	6.54375	10.5		12.9625	13
	6.975000000000001	13.3		12.931250000000002	14.5
	7.1125	10.9		14.018749999999999	13.2
	7.668749999999999	10.1		13.562499999999998	13.2
	7.08125	6.9		13.425	10.3
	7.093750000000001	10		13.7375	12.8
	8.081249999999999	7.7		13.837500000000002	12.4
	8.125	5.6		13.81875	12.7
	7.575	3.9		13.450000000000001	11.6
	7.518750000000001	7.8		13.774999999999999	15.2
	7.71875	6.6		13.7875	10.6
	7.7875	4.9		14.6625	15.5
	7.300000000000001	9.5		14.568749999999996	14.7
Jan.	7.531249999999999	7.7		14.243750000000002	15.8
	7.7124999999999995	10.6		14.000000000000002	17.5
	7.86875	10.1		14.362500000000002	14.9
	8.362499999999999	11.8		14.5875	15.8
	8.275	10.7		13.968750000000002	15.5
	8	5.8		14.743750000000002	13.8
	7.506250000000001	10.5		14.331249999999999	11.7
	8.05625	10.4		14.768749999999999	11.5
	7.6187499999999995	8.5		14.824999999999998	9.7
	7.693749999999999	6.8		14.468749999999998	15.2
	8.09375	6.5		15.25625	11.7
	7.8374999999999995	6.6		14.675	12.1
	7.756250000000001	8.6		15.543750000000001	11.2
	7.6375	11.1		14.900000000000002	14.2
	7.806250000000001	6.1		14.4375	12.5
	8.34375	6.8		14.63125	13.2
	7.89375	7.1		14.893749999999999	14.2
	7.84375	8		15.475	12.2
	8.075000000000001	8.8		14.499999999999998	11.5
	7.8374999999999995	7.5		14.150000000000002	17.6
	7.175000000000001	10.6		14.9	18.5
	7.7	8.8		14.568750000000001	16.9
	8.375	10.7		15.662500000000003	15
	8.91875	9.2		15.081249999999997	10.6
	8.750000000000002	9.6		15.225	11.9
	8.450000000000001	11.4		15.337499999999999	15.3
	7.86875	11.6		15.51875	13.3
	7.656249999999999	10.9		15.325000000000001	12
	7.93125	8.9		15.862500000000002	16.4
	8.55625	8.8		16.037499999999998	10.8
	8.73125	9.2		15.38125	11.2
Feb.	8.725	10.5		15.725000000000001	13
	8.19375	9.5		15.937500000000002	11.5
	8.4375	9.1		14.937500000000002	10.7
	7.7375	7.6		14.28125	9.5
	7.674999999999999	7.6		13.58125	10.3
	7.4125000000000005	7.3		14.549999999999999	9.5
	7.13125	5.8		14.887500000000001	12
	7.424999999999999	9.6		14.956249999999997	14.2
	6.90625	9.4		14.75	12.5
	7.3625	11.8		15.674999999999997	13.5
	7.2875	12.1		14.887499999999998	13.9
	7.9125	12.2		14.775	15.7
	7.7125	11.2		15.24375	16.6
	7.68125	12.9		14.562500000000002	15.6
	8.4125	11.4		15.000000000000002	13
	8.88125	11.1		14.049999999999999	13.5
	8.31875	9.9		13.99375	11.4
	8.35625	9.9		14.468749999999998	15
	8.16875	7.9		14.725	15.7
	8.381250000000001	10.8		14.512500000000001	18.1
	7.906250000000001	11.5		14.6875	19.4
	8.09375	11.5		14.506250000000001	15.7
	8.25	10.3		14.962499999999999	14.8
	8.693750000000001	9.6		15.818749999999996	16.6
	8.424999999999999	9.4		16.08125	16.7
	9.174999999999999	8		15.631250000000001	13.9
	8.893749999999999	9.4		16	12.8
	9.2125	9.7		15.693750000000001	14.8
Mar.	9.31875	9.7		15.418750000000001	15.9
	9.125	9.7		16.0625	18.2
	8.618749999999999	10.1		15.781250000000002	21.2
	8.362499999999999	11.7		16.00625	19.6
	8.931249999999999	10.3		15.63125	17.4
	8.6875	11		14.718750000000002	16.3
	8.8125	10.5		15.593750000000002	14.5
	9.062500000000002	9.5		15.75	13.8
	8.9625	10.7		15.918750000000003	16.6
	8.63125	11.9		15.0125	18.2
	8.64375	8.9		15.05	15.2
	8.424999999999999	9.7		15.506249999999998	16.9
	9.05625	12		15.743750000000002	18.1
	9.68125	8.2		16.03125	13.1
	9.58125	7.7		15.962499999999999	12.9
	9.2625	9.3		16.593749999999996	13.9
	9.85	11.8		16.5125	13
	9.399999999999999	11.5		16.293750000000003	15.7
	8.8625	8.1		15.8625	14.3
	8.38125	8.4		16.2375	24.8
	8.73125	9.3		15.374999999999998	29.4
	8.931249999999999	11		15.156250000000002	28.8
	9.043750000000001	9.6		16.05625	15.9
	9.531249999999998	10.3		17	19.4
	8.962499999999999	10.9		16.84375	22.1
	8.8125	12		17.674999999999997	18.7
	9.637500000000001	12.9		17.356250000000003	18.1
	9.69375	9.2		15.9625	18
	9.0875	9		16.075	15
	8.80625	8.8		16.193749999999998	17.3
	8.48125	9		15.8125	17.4
Apr.	8.450000000000001	8.4		16.049999999999997	18.6
	9.075000000000001	9.1		16.643749999999997	23.8
	9.56875	10		17.1875	22.9
	9.712499999999997	7.9		18.0875	23.8
	9.50625	10.2		17.64375	20.9
	9.95	10.9		17.49375	21.2
	10.281249999999998	10		17.818749999999998	16.3
	10.225	9.5		18.65	16.2
	10.281250000000002	9.2		18.05625	19.7
	10.481250000000001	9.8		17.000000000000004	15.5
	10.1	10		16.881249999999998	13.3
	9.518749999999999	9.8		16.7625	16.4
	9.79375	9.1		17.162499999999998	18
	9.5875	9.5		17.287499999999998	19.4
	10.175	9.8		18.83125	20.7
	10.825000000000001	9.7		19.56875	19.7
	11.0125	11		20.1	17.6
	10.89375	10.9		20.018749999999997	15.4
	10.837499999999999	11.2		19.443750000000005	17.4
	10.668750000000001	9.8		18.762499999999996	17.4
	10.58125	11.2		17.94375	15.1
	10.0875	11.5		17.443749999999998	21.5
	10.118750000000002	11		18.18125	17.5
	10.3	10.5		17.918750000000003	20.8
	10.33125	9.5		18.5	19.4
	10.499999999999998	11.1		18.33125	19.5
	10.137500000000001	10.9		18.43125	22.5
	10.65625	10		18.743750000000002	15.9
	10.612499999999999	11.5		18.9375	21.8
	10.69375	9.5		17.79375	24
May	10.700000000000001	9.7		17.7625	25
	10.549999999999999	10.9		17.181250000000002	23.4
	10.450000000000001	9.5		17.175	26.4
	10.76875	14.8		18.6125	28.2
	10.925	13		18.656249999999996	30.9
	10.375	11.7		18.6	18.2
	10.61875	9.3		18.175	22.7
	10.2375	9		17.75	17.1
	10.48125	10.7		17.85	17.1
	10.56875	11.2		17.900000000000002	18
	10.6875	11.1		17.19375	16.2
	10.76875	11		17.268749999999997	20
	10.743750000000002	9.2		17.34375	21
	10.993750000000002	11.3		18.05	18.8
	11	10.8		19.0875	15.3
	10.7	10.8		18.45625	21.5
	11.1625	8.9		19.08125	24.8
	11.556249999999999	9.7		19.181250000000006	23.3
	11.53125	10.2		19.331249999999997	15.9
	11.65625	10.5		19.318750000000005	26.5
	12.193750000000003	10.3		20.05	24.9
	12.200000000000003	10.2		20.362499999999997	26.8
	11.8625	10.4		19.3125	21.9
	11.456249999999997	8.7		19.19375	23.2
	12.3	9.2		20.406249999999996	21.7
	12.387500000000001	13.1		19.9125	22.8
	12.56875	11.6		20.08125	28.6
	12.874999999999998	14.4		20.73125	34.4
	12.8	12.6		21.431249999999995	25.3
	12.36875	11.6		20.80625	23
	12.15625	13.2		19.84375	20.2
Jun.	12.068749999999998	12.7		19.9375	17.1
	12.10625	12.4		20.487499999999997	18.6
	12.25625	13.6		21.0625	19
	12.687500000000002	12.8		20.806250000000002	19.2
	12.143750000000004	13.8		20.33125	20.9
	12.262500000000001	13		21.26875	21.8
	12.631249999999998	12.5		21.49375	20
	12.85625	11.8		20.787499999999998	17.8
	12.687499999999998	12.1		20.1125	19
	12.1875	11.2		19.04375	19.7
	12.268749999999999	12.2		18.93125	18.9
	12.575000000000001	12.2		19.906250000000004	17.8
	12.68125	13		20.31875	21
	13.081249999999999	10.4		21.181250000000006	25.8
	12.85	11.7		21.2875	25.7
	13.1625	12		21	19.4
	13.1	11		21.225	20.2
	13.14375	11.5		20.6125	19.6
	12.86875	11.4		21.425	20.8
	12.8625	11		20.7	19.9
	13.075000000000003	11.4		20.575	17.8
	13.10625	12.2		20.575	17.9
	12.950000000000001	11.9		20.68125	17.3
	13.1625	11.7		20.562499999999996	20.6
	13.14375	11.9		19.99375	21.9
	13.10625	11.8		20.5	18
	12.95	10.8		20.493750000000002	23.7
	12.931250000000002	12.3		20.48125	24.3
	13.012500000000001	14.1		20.6875	29.5
	12.84375	14		20.20625	29.9
Jul.	13.275000000000002	13.9		20.806249999999995	26.5
	13.25625	12.2		20.7375	24.4
	13.262500000000001	11.7		20.024999999999995	21.6
	13.049999999999997	12.1		19.931250000000006	19.8
	13.26875	12.4		20.7125	19.4
	13.600000000000001	12.5		20.993750000000002	19.9
	13.425	13.9		20.643749999999997	29.4
	13.58125	14.2		20.6625	21.1
	13.71875	13.5		20.2875	22.1
	13.4125	13.2		21.200000000000003	23.1
	13.68125	13.5		21.006249999999998	23.9
	13.3	13.1		20.343750000000004	20.9
	13.306249999999999	12.6		20.743750000000002	22.3
	13.49375	12.6		20.568749999999998	25.9
	13.375	13.6		20.64375	25.7
	13.468749999999998	12.5		20.31875	23.9
	13.2875	12.5		20.59375	25.2
	13.424999999999999	12.8		20.71875	27.9
	13.556249999999999	12.3		21.00625	28.9
	13.700000000000001	12.1		20.837500000000002	25.7
	13.675	12.7		20.725	23
	13.406250000000002	13		20.26875	19.6
	13.625000000000002	12.8		21.193749999999998	17.4
	13.562500000000002	12.5		20.7125	20.2
	13.256250000000001	12.8		20.26875	20
	13.287499999999998	12.9		20.837500000000002	24.3
	13.84375	12.7		21.2	19.4
	13.89375	13.3		21.0375	19
	13.587499999999999	13.3		21.01875	20.8
	13.856249999999998	13.3		21.237499999999997	18.4
	14.081249999999999	14.3		21.756249999999998	18.2
Aug.	14.343750000000002	13.5		22.9625	17.5
	14.7	13.6		22.668750000000003	19.3
	14.26875		12.7	22.2		19.8
	14.125		13.9	21.4875		16.6
	13.96875		14.4	21.40625		18
	14.11875		14.3	21.44375		16.8
	13.875		14.3	21.51875		17.1
	14.031249999999998		14.4	21.93125		17
	14.200000000000001		14.2	21.84375		16.9
	14.1		14.2	21.837500000000002		16.7
	14.2		14	21.306250000000002		21.2
	13.9375		14	21.368750000000002		19
	14.25		14.2	21.962500000000002		22.8
	14.406249999999998		14.6	22.125		22.8
	14.23125		14.5	21.7375		22.3
	14.18125		14.3	22.262500000000003		21.8
	14.250000000000002		14.1	22.368750000000002		19.5
	14.543750000000001		14.4	23.1625		23.4
	14.80625		14.7	22.70625		20.8
	14.325		14.4	22.174999999999997		22.9
	14.112499999999997		14.2	21.98125		21.5
	14.28125		14.2	21.950000000000003		22.2
	14.39375		14.6	23.48125		24
	14.718750000000004		14.7	23.3375		23.4
	14.556250000000002		14.2	23.1875		20
	14.43125		14.3	22.6375		22.5
	14.43125		14.2	22.79375		20.4
	14.74375		14.8	22.59375		22.9
	14.16875		14	21.612500000000004		19.2
	13.987499999999997		13.9	21.36875		21.4
	13.699999999999998		13.8	20.862499999999997		20.9
Sep.	13.475		13.8	20.28125		18.4
	13.89375		14	20.812499999999996		18.9
	13.481250000000003			20.8
	14.012500000000001			20.812500000000004
	14.08125			22.381249999999998
	14.431249999999999			22.675000000000004
	14.3			21.993750000000002
	13.418749999999998			21.05
	13.406249999999998			22.39375
	14.325000000000001			23.18125
	14.3			22.587500000000002
	14.19375			22.6875
	14.350000000000001			23.212500000000006
	14.2625			23.61875
	14.068750000000001			21.450000000000003
	14.168750000000001			20.68125
	13.931249999999999			21.756249999999998
	14.124999999999998			23.900000000000006
	13.862499999999999			22.6625
	14.175000000000002			22.093749999999996
	13.843750000000002			21.99375
	14.043749999999998			22.85625
	14.187499999999996			22.425
	13.518749999999999			21.48125
	13.343750000000002			20.85
	13.300000000000002			20.26875
	13.125			20.5625
	13.325			21.775000000000002
	13.562500000000002			21.16875
	13.518749999999997			21.45
Oct.	13.700000000000003			21.9625
	13.51875			21.89375
	13.768749999999999			21.118750000000002
	12.975			21.675
	13.21875			22.068749999999998
	13.350000000000001			20.368750000000002
	12.943749999999998			20.287499999999998
	12.775000000000002			20.1
	12.981250000000001			19.725
	13.125			19.66875
	13.09375			19.8
	12.474999999999998			20.24375
	12.381249999999998			19.668749999999996
	12.862500000000002			20.175
	12.468749999999998			19.906250000000004
	12.212500000000002			19.375
	12.131250000000001			19.24375
	12.343749999999996			19.449999999999996
	11.58125			19.068749999999998
	11.375			18.781250000000004
	11.100000000000001			18.73125
	11.737499999999999			19.087500000000002
	11.64375			18.40625
	11.23125			17.94375
	10.73125			18.012500000000003
	10.78125			17.487499999999997
	9.975			17.21875
	10.38125			17.393749999999997
	10.843749999999998			17.5375
	10.887499999999998			17.225
	10.26875			17.306250000000002
Nov.	10.59375			17.35625
	10.3125			16.94375
	10.387500000000001			17.09375
	9.949999999999998			15.86875
	9.718750000000002			15.34375
	9.931250000000002			15.987499999999997
	9.950000000000003			15.775
	10.025000000000004			16.425
	9.837500000000002			15.806249999999999
	9.212499999999999			15.787500000000001
	8.200000000000001			15.70625
	8.4625			14.975000000000003
	8.61875			14.731250000000001
	8.35			14.95
	8.54375			14.7125
	8.368749999999999			14.975
	9.131250000000003			14.981249999999998
	9.187499999999998			15.187500000000002
	9.018749999999999			14.350000000000001
	9.14375			14.612499999999999
	9.025			14.862500000000002
	9.093749999999998			14.443749999999998
	8.887500000000001			14.312499999999998
	8.28125			13.925
	8.29375			14.16875
	8.3375			14.668750000000003
	8.4875			14.731250000000001
	8.30625			13.743749999999999
	8.3125			13.500000000000002
	7.58125			13.4875
Dec.	8			13.51875
	7.5874999999999995			13.71875
	7.40625			13.6125
	8.256250000000001			13.424999999999999
	8.2			13.331249999999999
	7.68125			13.200000000000003
	8.137500000000001			14.043750000000001
	8.837499999999999			13.987499999999999
	8.287500000000001			14.231250000000001
	8.34375			13.537499999999998
	7.7875000000000005			13.168750000000001
	7.0874999999999995			12.65
	6.906250000000001			12.6
	6.875000000000001			13.0875
	7.1187499999999995			13.1625
	6.98125			13.05625
	6.4399999999999995			12.793333333333331

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

34°C

Highest Temp

11 Jun. 26

4°C

Lowest Temp

10 Jan. 26

Seasonal Breakdown

Hottest MonthJuly22.47°C

Coldest MonthJanuary8.5°C

Wettest MonthFebruary9.43mm

Windiest MonthJune23.59km/h

San Francisco Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in San Francisco historically?

September is historically San Francisco's hottest month, with average maximum temperatures around 22°C. During peak heatwave events, the highest recorded temperatures have reached 38°C on 2017-09-02.

2. What is the coldest month in San Francisco historically?

January is San Francisco's coldest month, with average minimum temperatures around 8°C. The all-time record low of 1°C was recorded on 2013-12-10.

3. What is the average annual rainfall in San Francisco over the past 17 years?

San Francisco's average annual rainfall is approximately 576.7mm, based on records spanning 17 years.

4. How many rainy days does San Francisco experience on average per year?

San Francisco historically records approximately 79.7 rainy days per year. December has the highest number of rain days at an average of 12.6 days.

5. What is the all-time highest temperature ever recorded in San Francisco?

The all-time highest temperature recorded in San Francisco is 38°C on 2017-09-02.

6. What is the all-time lowest temperature ever recorded in San Francisco?

The all-time lowest temperature recorded in San Francisco is 1°C on 2013-12-10.

7. What is the windiest time of year in San Francisco historically?

San Francisco experiences its strongest winds during May. The historic gust record of 58 kph was recorded on 2024-02-04.

8. What is the highest and lowest humidity in San Francisco during a year?

Usually, San Francisco's humidity peaks in August at around 76.6% and drops to its lowest in October at approximately 68.2%.

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San Francisco Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

San Francisco Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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