El Cajon Weather in 1939

Historical record of El Cajon, California weather for the year 1939 based on NOAA data.

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1939 El Cajon Weather Extremes
Highest temperature	105 °F	September 21
Lowest temperature	28 °F	March 2
Highest daily low	72 °F	September 21
Lowest daily high	50 °F	February 3
Most daily precipitation	1.4 inches	September 7
Total annual precipitation	15.1 inches	-

What was the hottest temperature in El Cajon in 1939?

The highest temperature recorded in El Cajon, California in 1939 was 105 °F which happened on September 21.

Highest Temperatures: All-Time By Year

Highest Temperatures in El Cajon in 1939

Rank	Temperature	Date
1	105 °F	Sep 21
2	104 °F	Sep 22
2	104 °F	Sep 18
4	103 °F	Sep 19
5	102 °F	Sep 20
6	101 °F	Aug 30
7	100 °F	Sep 17
7	100 °F	Aug 25
7	100 °F	Jul 12
7	100 °F	Jul 11

What was the coldest temperature in El Cajon in 1939?

The lowest temperature recorded in El Cajon, California in 1939 was 28 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in El Cajon in 1939

Rank	Temperature	Date
1	28 °F	March 2
1	28 °F	February 22
1	28 °F	February 2
4	30 °F	February 27
4	30 °F	February 23
4	30 °F	February 12
7	31 °F	March 6
8	32 °F	March 7
8	32 °F	February 28
8	32 °F	February 10
8	32 °F	January 26

January 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	76	36	n/a
January 2	66	38	n/a
January 3	62	40	0.41
January 4	64	41	n/a
January 5	58	39	n/a
January 6	60	45	0.73
January 7	67	40	0.03
January 8	60	38	n/a
January 9	63	43	0.05
January 10	72	37	n/a
January 11	75	34	n/a
January 12	66	35	n/a
January 13	70	42	n/a
January 14	69	34	n/a
January 15	67	34	n/a
January 16	65	51	n/a
January 17	71	35	n/a
January 18	75	36	n/a
January 19	79	35	n/a
January 20	64	40	0.00
January 21	53	50	0.24
January 22	56	44	0.80
January 23	65	39	0.04
January 24	67	36	n/a
January 25	75	42	n/a
January 26	77	32	n/a
January 27	64	33	0.00
January 28	61	44	0.20
January 29	64	36	n/a
January 30	59	41	n/a
January 31	55	39	0.35

February 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	54	38	0.23
February 2	56	28	0.01
February 3	50	n/a	1.22
February 4	54	44	0.00
February 5	60	34	0.13
February 6	62	34	0.00
February 7	57	n/a	0.03
February 8	53	43	0.20
February 9	55	33	0.37
February 10	51	32	0.00
February 11	67	35	0.14
February 12	70	30	0.00
February 13	64	n/a	0.00
February 14	69	33	0.00
February 15	70	n/a	0.00
February 16	64	37	0.00
February 17	63	n/a	0.00
February 18	64	40	0.00
February 19	60	41	0.00
February 20	68	39	0.00
February 21	74	34	0.00
February 22	72	28	0.00
February 23	64	30	0.00
February 24	63	n/a	0.00
February 25	63	35	0.00
February 26	64	n/a	0.00
February 27	65	30	0.00
February 28	60	32	0.00

March 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	65	33	0.00
March 2	66	28	0.00
March 3	57	46	0.00
March 4	60	40	0.04
March 5	70	38	0.00
March 6	72	31	0.00
March 7	63	32	0.00
March 8	65	45	0.00
March 9	65	33	0.00
March 10	58	45	0.71
March 11	71	35	0.23
March 12	73	36	0.00
March 13	69	40	0.00
March 14	70	42	0.00
March 15	73	40	0.00
March 16	79	40	0.00
March 17	71	43	0.00
March 18	76	47	0.00
March 19	69	50	0.00
March 20	67	51	0.01
March 21	59	52	0.03
March 22	63	50	0.03
March 23	62	49	0.00
March 24	68	52	0.00
March 25	62	53	0.01
March 26	57	50	0.00
March 27	59	50	0.33
March 28	60	43	0.40
March 29	64	39	0.00
March 30	71	42	0.00
March 31	71	47	0.00

April 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	81	48	0.00
April 2	67	54	0.21
April 3	68	52	0.25
April 4	70	53	0.15
April 5	78	53	0.00
April 6	88	51	0.00
April 7	89	40	0.00
April 8	89	44	0.00
April 9	86	44	0.00
April 10	75	48	0.00
April 11	68	53	0.00
April 12	70	53	0.00
April 13	61	50	0.00
April 14	60	46	0.20
April 15	69	37	0.05
April 16	80	40	0.00
April 17	93	48	0.00
April 18	94	41	0.00
April 19	82	42	0.00
April 20	83	49	0.00
April 21	79	51	0.00
April 22	68	53	0.00
April 23	66	52	0.09
April 24	70	50	0.00
April 25	68	52	0.00
April 26	74	52	0.00
April 27	78	45	0.00
April 28	74	52	0.00
April 29	78	55	0.00
April 30	81	51	0.00

May 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	80	55	0.00
May 2	75	48	0.00
May 3	82	43	0.00
May 4	80	44	0.00
May 5	71	51	0.00
May 6	64	47	0.00
May 7	73	53	0.00
May 8	78	54	0.00
May 9	79	48	0.00
May 10	76	49	0.00
May 11	64	55	0.00
May 12	75	49	0.00
May 13	63	53	0.03
May 14	64	54	0.02
May 15	68	55	0.01
May 16	75	55	0.00
May 17	78	55	0.00
May 18	75	57	0.00
May 19	78	55	0.00
May 20	80	45	0.00
May 21	78	43	0.00
May 22	74	50	0.00
May 23	74	45	0.00
May 24	90	44	0.00
May 25	97	43	0.00
May 26	94	49	0.00
May 27	88	46	0.00
May 28	84	52	0.00
May 29	80	53	0.00
May 30	76	55	0.00
May 31	78	57	0.00

June 1939 El Cajon Weather

Day	High (°F)	Low (°F)
June 1	80	57
June 2	80	58
June 3	78	58
June 4	76	56
June 5	75	51
June 6	72	49
June 7	84	43
June 8	94	45
June 9	94	48
June 10	92	47
June 11	94	57
June 12	93	54
June 13	86	52
June 14	79	55
June 15	75	53
June 16	73	48
June 17	78	47
June 18	80	48
June 19	76	48
June 20	77	55
June 21	80	58
June 22	81	59
June 23	81	56
June 24	78	60
June 25	81	56
June 26	84	53
June 27	84	51
June 28	88	53
June 29	95	54
June 30	92	58

July 1939 El Cajon Weather

Day	High (°F)	Low (°F)
July 1	85	56
July 2	84	60
July 3	77	60
July 4	76	58
July 5	81	58
July 6	83	60
July 7	84	55
July 8	88	56
July 9	89	60
July 10	93	62
July 11	100	58
July 12	100	59
July 13	93	58
July 14	85	58
July 15	86	55
July 16	86	54
July 17	79	52
July 18	81	58
July 19	86	53
July 20	86	60
July 21	92	59
July 22	84	62
July 23	89	60
July 24	95	n/a
July 25	96	63
July 26	98	60
July 27	86	58
July 28	87	57
July 29	85	59
July 30	90	60
July 31	88	63

August 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	85	63	0.00
August 2	82	60	0.00
August 3	94	65	0.00
August 4	93	60	0.00
August 5	90	61	0.00
August 6	81	63	0.00
August 7	83	61	0.00
August 8	85	59	0.00
August 9	90	n/a	0.00
August 10	88	62	0.00
August 11	90	60	0.00
August 12	91	60	0.00
August 13	83	60	0.00
August 14	84	59	0.00
August 15	89	62	0.00
August 16	88	59	0.00
August 17	94	61	0.00
August 18	92	61	0.00
August 19	85	61	0.00
August 20	89	61	0.00
August 21	88	62	0.00
August 22	91	59	0.00
August 23	88	62	0.07
August 24	93	61	0.00
August 25	100	63	0.00
August 26	97	62	0.00
August 27	95	61	0.00
August 28	92	57	0.00
August 29	90	55	0.00
August 30	101	56	0.00
August 31	99	53	0.00

September 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	92	53	0.00
September 2	84	57	0.00
September 3	86	n/a	0.00
September 4	87	58	0.00
September 5	77	63	0.14
September 6	71	65	1.12
September 7	83	64	1.35
September 8	92	63	0.00
September 9	89	n/a	0.01
September 10	79	69	0.19
September 11	83	68	0.11
September 12	n/a	64	0.02
September 13	76	58	0.00
September 14	79	51	0.00
September 15	95	50	0.00
September 16	98	52	0.00
September 17	100	n/a	0.00
September 18	104	n/a	0.19
September 19	103	65	0.00
September 20	102	68	0.01
September 21	105	72	0.24
September 22	104	64	0.00
September 23	95	68	0.00
September 24	91	70	0.00
September 25	n/a	65	1.14
September 26	73	62	0.51
September 27	76	53	0.00
September 28	78	n/a	0.00
September 29	86	55	0.00
September 30	80	52	0.00

October 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	76	n/a	0.00
October 2	71	59	0.04
October 3	71	54	0.00
October 4	79	45	0.00
October 5	78	46	0.00
October 6	71	n/a	0.00
October 7	68	51	0.14
October 8	70	48	0.25
October 9	87	49	0.00
October 10	90	45	0.00
October 11	92	44	0.00
October 12	98	45	0.00
October 13	98	47	0.00
October 14	98	48	0.00
October 15	96	49	0.00
October 16	90	47	0.00
October 17	91	47	0.00
October 18	85	47	0.00
October 19	82	n/a	0.00
October 20	90	46	0.00
October 21	97	43	0.00
October 22	89	n/a	0.00
October 23	83	47	0.00
October 24	70	n/a	0.00
October 25	69	56	0.00
October 26	74	48	0.00
October 27	84	39	0.00
October 28	93	40	0.00
October 29	94	39	0.00
October 30	99	n/a	0.00
October 31	95	45	0.00

November 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	85	40	0.00
November 2	79	n/a	0.00
November 3	79	47	0.00
November 4	72	47	0.00
November 5	75	n/a	0.00
November 6	74	56	0.00
November 7	80	44	0.00
November 8	63	45	0.27
November 9	64	n/a	0.04
November 10	82	48	0.03
November 11	84	39	0.00
November 12	88	37	0.00
November 13	83	n/a	0.00
November 14	84	41	0.00
November 15	81	40	0.00
November 16	78	37	0.00
November 17	83	38	0.00
November 18	85	38	0.00
November 19	86	35	0.00
November 20	88	34	0.00
November 21	88	36	0.00
November 22	88	38	0.00
November 23	78	38	0.00
November 24	78	n/a	0.00
November 25	76	40	0.00
November 26	70	43	0.00
November 27	72	38	0.01
November 28	68	n/a	0.71
November 29	71	41	0.00
November 30	75	39	0.00

December 1939 El Cajon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	81	38	0.00
December 2	85	38	0.00
December 3	85	37	0.00
December 4	89	40	0.00
December 5	83	46	0.00
December 6	77	51	0.00
December 7	82	45	0.00
December 8	75	45	0.00
December 9	73	57	0.00
December 10	77	41	0.00
December 11	68	45	0.00
December 12	82	38	0.00
December 13	84	37	0.00
December 14	83	39	0.00
December 15	87	38	0.00
December 16	85	39	0.00
December 17	82	36	0.00
December 18	82	35	0.00
December 19	87	35	0.00
December 20	81	37	0.00
December 21	77	34	0.00
December 22	77	44	0.00
December 23	62	37	0.00
December 24	62	42	0.51
December 25	67	34	0.00
December 26	66	34	0.00
December 27	66	33	0.00
December 28	72	37	0.00
December 29	75	36	0.00
December 30	78	39	0.00
December 31	71	46	0.00

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Weather Station Details

Years	Station	Coordinates
1979–2024	El Cajon	location
1899–1979	El Cajon 2 E	location