San Francisco Weather in 1939

Historical record of San Francisco, California weather for the year 1939 based on NOAA data.

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1939 San Francisco Weather Extremes
Highest temperature	97 °F	September 22
Lowest temperature	39 °F	February 8
Highest daily low	74 °F	September 21
Lowest daily high	46 °F	February 9
Most daily precipitation	1.8 inches	March 8
Most daily snow	none	-
Total annual precipitation	11.1 inches	-
Total annual snow	none	-

What was the hottest temperature in San Francisco in 1939?

The highest temperature recorded in San Francisco, California in 1939 was 97 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in San Francisco in 1939

Rank	Temperature	Date
1	97 °F	Sep 22
1	97 °F	Sep 21
1	97 °F	Sep 20
4	96 °F	Sep 23
5	90 °F	Oct 11
6	89 °F	Sep 19
7	88 °F	Sep 18
8	87 °F	Oct 21
8	87 °F	Sep 17
10	86 °F	Sep 16

What was the coldest temperature in San Francisco in 1939?

The lowest temperature recorded in San Francisco, California in 1939 was 39 °F which happened on Feb 8.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in San Francisco in 1939

Rank	Temperature	Date
1	39 °F	February 8
2	40 °F	February 7
2	40 °F	January 31
4	41 °F	February 11
4	41 °F	February 1
6	42 °F	February 9
7	43 °F	February 10
7	43 °F	February 5
7	43 °F	February 2
7	43 °F	January 30
7	43 °F	January 13

January 1939 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	57	44	0.00
January 2	57	47	0.00
January 3	58	50	0.00
January 4	58	48	0.62
January 5	53	47	1.09
January 6	62	47	0.00
January 7	58	46	0.00
January 8	59	48	0.00
January 9	64	50	0.00
January 10	60	46	0.00
January 11	64	46	0.00
January 12	58	44	0.00
January 13	62	43	0.00
January 14	66	46	0.00
January 15	56	48	0.00
January 16	59	45	0.00
January 17	61	45	0.00
January 18	56	46	0.00
January 19	56	47	0.00
January 20	52	49	0.00
January 21	61	47	0.00
January 22	57	47	0.00
January 23	58	45	0.00
January 24	60	45	0.00
January 25	61	45	0.00
January 26	53	45	0.01
January 27	54	48	0.25
January 28	56	48	0.00
January 29	51	48	0.68
January 30	52	43	0.19
January 31	50	40	0.23

February 1939 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	52	41	0.00
February 2	53	43	0.51
February 3	52	45	0.46
February 4	56	44	0.00
February 5	54	43	0.00
February 6	53	44	0.18
February 7	51	40	0.44
February 8	48	39	0.03
February 9	46	42	0.30
February 10	52	43	0.02
February 11	54	41	0.00
February 12	54	44	0.00
February 13	59	44	0.00
February 14	58	45	0.00
February 15	60	49	0.00
February 16	64	53	0.00
February 17	75	51	0.00
February 18	64	50	0.00
February 19	58	47	0.00
February 20	62	44	0.00
February 21	63	45	0.00
February 22	65	46	0.00
February 23	56	46	0.00
February 24	64	48	0.00
February 25	59	46	0.00
February 26	60	48	0.00
February 27	59	45	0.00
February 28	60	45	0.00

March 1939 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	60	46	0.00
March 2	55	45	0.00
March 3	55	45	0.01
March 4	52	45	0.00
March 5	53	44	0.00
March 6	53	46	0.12
March 7	55	44	0.01
March 8	54	44	1.83
March 9	51	45	0.41
March 10	53	45	0.00
March 11	58	45	0.00
March 12	59	48	0.00
March 13	56	47	0.05
March 14	61	44	0.00
March 15	74	49	0.00
March 16	79	55	0.00
March 17	76	51	0.00
March 18	57	49	0.00
March 19	60	50	0.00
March 20	60	50	0.07
March 21	53	48	0.00
March 22	54	48	0.00
March 23	52	48	0.00
March 24	57	48	0.00
March 25	53	47	0.01
March 26	54	47	0.11
March 27	54	44	0.00
March 28	53	47	0.00
March 29	55	50	0.00
March 30	67	47	0.00
March 31	75	51	0.00

April 1939 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	68	53	0.05
April 2	63	54	0.22
April 3	55	49	0.00
April 4	63	48	0.00
April 5	75	50	0.00
April 6	83	56	0.00
April 7	81	54	0.00
April 8	66	52	0.00
April 9	68	51	0.00
April 10	68	51	0.00
April 11	57	49	0.00
April 12	59	47	0.00
April 13	57	45	0.15
April 14	60	48	0.00
April 15	56	46	0.00
April 16	63	45	0.00
April 17	72	46	0.00
April 18	61	47	0.00
April 19	60	46	0.00
April 20	53	47	0.00
April 21	54	48	0.00
April 22	61	49	0.00
April 23	56	49	0.00
April 24	56	48	0.00
April 25	59	51	0.00
April 26	58	49	0.00
April 27	62	50	0.00
April 28	59	51	0.00
April 29	58	49	0.00
April 30	58	48	0.00

May 1939 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	57	48	0.00
May 2	58	49	0.00
May 3	63	48	0.00
May 4	67	50	0.00
May 5	56	49	0.00
May 6	56	49	0.00
May 7	62	50	0.00
May 8	56	50	0.00
May 9	67	52	0.00
May 10	62	53	0.28
May 11	55	52	0.00
May 12	70	52	0.00
May 13	61	50	0.00
May 14	61	54	0.00
May 15	60	54	0.00
May 16	61	54	0.00
May 17	60	52	0.00
May 18	61	49	0.00
May 19	59	50	0.00
May 20	63	52	0.33
May 21	62	54	0.02
May 22	60	54	0.00
May 23	64	53	0.00
May 24	63	52	0.00
May 25	68	52	0.00
May 26	66	53	0.00
May 27	63	52	0.00
May 28	73	53	0.00
May 29	71	54	0.00
May 30	67	52	0.00
May 31	63	51	0.00

June 1939 San Francisco Weather

Day	High (°F)	Low (°F)
June 1	65	50
June 2	63	50
June 3	59	50
June 4	59	51
June 5	62	49
June 6	68	49
June 7	74	51
June 8	68	52
June 9	70	52
June 10	61	51
June 11	60	52
June 12	60	50
June 13	63	55
June 14	62	53
June 15	61	53
June 16	60	52
June 17	67	52
June 18	69	53
June 19	67	51
June 20	72	53
June 21	71	56
June 22	65	54
June 23	67	53
June 24	63	52
June 25	65	53
June 26	65	52
June 27	57	50
June 28	59	50
June 29	62	50
June 30	60	50

July 1939 San Francisco Weather

Day	High (°F)	Low (°F)
July 1	59	52
July 2	58	50
July 3	59	51
July 4	63	55
July 5	62	55
July 6	64	54
July 7	65	53
July 8	71	54
July 9	61	52
July 10	60	54
July 11	64	52
July 12	60	52
July 13	63	54
July 14	68	52
July 15	65	53
July 16	69	52
July 17	66	53
July 18	64	52
July 19	66	52
July 20	80	53
July 21	78	55
July 22	65	54
July 23	63	54
July 24	61	53
July 25	64	55
July 26	63	56
July 27	64	55
July 28	62	55
July 29	64	57
July 30	62	56
July 31	64	55

August 1939 San Francisco Weather

Day	High (°F)	Low (°F)
August 1	62	53
August 2	62	53
August 3	64	56
August 4	63	53
August 5	60	52
August 6	62	52
August 7	63	56
August 8	63	56
August 9	63	54
August 10	64	58
August 11	65	57
August 12	65	54
August 13	65	53
August 14	66	55
August 15	63	55
August 16	66	54
August 17	81	57
August 18	67	55
August 19	70	58
August 20	67	59
August 21	65	55
August 22	62	55
August 23	63	56
August 24	68	58
August 25	66	57
August 26	67	57
August 27	66	57
August 28	74	57
August 29	77	57
August 30	65	56
August 31	67	56

September 1939 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	71	55	0.00
September 2	74	55	0.00
September 3	65	55	0.00
September 4	65	56	0.00
September 5	63	53	0.00
September 6	77	55	0.00
September 7	65	56	0.00
September 8	72	54	0.00
September 9	68	53	0.00
September 10	62	55	0.00
September 11	61	56	0.00
September 12	64	56	0.14
September 13	64	53	0.66
September 14	70	55	0.00
September 15	79	57	0.00
September 16	86	60	0.00
September 17	87	61	0.00
September 18	88	58	0.00
September 19	89	63	0.00
September 20	97	69	0.00
September 21	97	74	0.00
September 22	97	70	0.00
September 23	96	64	0.00
September 24	67	56	0.00
September 25	60	56	0.08
September 26	69	60	0.00
September 27	68	58	0.00
September 28	66	58	0.00
September 29	69	59	0.00
September 30	68	57	0.18

October 1939 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	64	57	0.00
October 2	62	55	0.00
October 3	64	53	0.00
October 4	66	54	0.00
October 5	66	55	0.06
October 6	61	54	0.03
October 7	67	53	0.00
October 8	73	54	0.00
October 9	81	57	0.00
October 10	80	59	0.00
October 11	90	59	0.00
October 12	84	61	0.00
October 13	76	55	0.00
October 14	62	54	0.00
October 15	60	53	0.00
October 16	66	54	0.00
October 17	65	55	0.00
October 18	72	55	0.00
October 19	70	54	0.00
October 20	78	56	0.00
October 21	87	58	0.00
October 22	83	61	0.00
October 23	61	54	0.00
October 24	59	52	0.08
October 25	60	50	0.00
October 26	62	50	0.00
October 27	70	54	0.00
October 28	78	56	0.00
October 29	84	59	0.00
October 30	81	59	0.00
October 31	60	52	0.00

November 1939 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	63	52	0.00
November 2	63	52	0.00
November 3	63	53	0.00
November 4	68	51	0.00
November 5	69	50	0.00
November 6	78	52	0.00
November 7	73	52	0.00
November 8	59	51	0.00
November 9	65	50	0.00
November 10	67	52	0.00
November 11	70	53	0.00
November 12	72	53	0.00
November 13	61	52	0.00
November 14	63	52	0.00
November 15	66	49	0.00
November 16	69	51	0.00
November 17	65	52	0.00
November 18	70	50	0.00
November 19	73	50	0.00
November 20	72	52	0.00
November 21	70	50	0.00
November 22	72	50	0.00
November 23	71	55	0.00
November 24	65	52	0.00
November 25	61	51	0.20
November 26	63	50	0.00
November 27	63	49	0.00
November 28	67	53	0.00
November 29	61	50	0.00
November 30	68	50	0.00

December 1939 San Francisco Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	64	51	0.00
December 2	66	53	0.00
December 3	69	51	0.00
December 4	67	53	0.00
December 5	60	49	0.00
December 6	61	51	0.00
December 7	59	48	0.00
December 8	63	54	0.07
December 9	63	58	0.02
December 10	64	53	0.11
December 11	60	49	0.00
December 12	58	48	0.00
December 13	64	49	0.00
December 14	58	49	0.00
December 15	61	51	0.00
December 16	62	51	0.00
December 17	63	52	0.03
December 18	64	50	0.00
December 19	59	50	0.01
December 20	62	50	0.00
December 21	63	48	0.00
December 22	54	47	0.00
December 23	52	47	0.24
December 24	58	47	0.00
December 25	59	44	0.00
December 26	55	49	0.04
December 27	54	49	0.00
December 28	57	51	0.14
December 29	60	51	0.05
December 30	59	49	0.00
December 31	58	52	0.23

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Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location