Grand Junction Weather in 1940

Historical record of Grand Junction, Colorado weather for the year 1940 based on NOAA data.

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1940 Grand Junction Weather Extremes
Highest temperature	103 °F	July 25
Lowest temperature	-3 °F	December 15
Highest daily low	76 °F	July 27
Lowest daily high	21 °F	January 19
Most daily precipitation	0.6 inches	October 5
Most daily snow	5.7 inches	December 12
Total annual precipitation	11.0 inches	-
Total annual snow	25.5 inches	-

January 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	40	23	0.05	0.2
January 2	41	28	0.07	0.0
January 3	38	32	0.19	1.0
January 4	38	30	0.03	0.0
January 5	38	32	0.07	0.0
January 6	37	29	0.11	0.8
January 7	36	24	0.03	0.3
January 8	36	27	0.00	0.0
January 9	37	29	0.01	0.1
January 10	39	32	0.14	0.5
January 11	45	32	0.00	0.0
January 12	45	31	0.50	0.0
January 13	32	16	0.02	2.8
January 14	31	11	0.00	0.0
January 15	30	10	0.00	0.0
January 16	32	12	0.00	0.0
January 17	35	13	0.00	0.0
January 18	27	9	0.01	0.1
January 19	21	3	0.00	0.0
January 20	30	13	0.00	0.0
January 21	32	15	0.00	0.0
January 22	26	6	0.00	0.0
January 23	25	6	0.00	0.0
January 24	31	18	0.17	1.6
January 25	34	15	0.00	0.0
January 26	34	18	0.03	0.3
January 27	44	30	0.00	0.0
January 28	48	22	0.00	0.0
January 29	49	25	0.00	0.0
January 30	45	25	0.00	0.0
January 31	49	28	0.00	0.0

February 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	49	33	0.02	0.0
February 2	46	34	0.03	0.0
February 3	45	33	0.01	0.0
February 4	41	32	0.15	0.1
February 6	43	26	0.00	0.0
February 7	42	30	0.10	0.7
February 8	43	29	0.00	0.0
February 9	40	27	0.00	0.0
February 10	47	27	0.00	0.0
February 11	42	27	0.04	0.4
February 12	38	26	0.03	0.2
February 13	41	19	0.00	0.0
February 14	48	26	0.00	0.0
February 15	41	31	0.34	2.0
February 16	42	24	0.00	0.0
February 17	37	19	0.00	0.0
February 18	42	21	0.01	0.0
February 19	43	28	0.00	0.1
February 20	45	24	0.00	0.0
February 21	44	22	0.00	0.0
February 22	45	29	0.00	0.0
February 23	51	35	0.02	0.0
February 24	55	33	0.00	0.0
February 25	57	36	0.00	0.0
February 26	48	38	0.29	0.0
February 27	58	40	0.00	0.0
February 28	64	39	0.00	0.0
February 29	66	37	0.00	0.0

March 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	54	37	0.00	0.0
March 2	55	29	0.00	0.0
March 3	49	32	0.00	0.0
March 4	56	28	0.00	0.0
March 5	58	31	0.06	0.0
March 6	50	30	0.00	0.0
March 7	54	30	0.00	0.0
March 8	60	33	0.00	0.0
March 9	60	35	0.00	0.0
March 10	62	36	0.00	0.0
March 11	52	31	0.00	0.0
March 12	39	25	0.14	2.1
March 13	45	19	0.00	0.0
March 14	53	24	0.00	0.0
March 15	61	28	0.00	0.0
March 16	67	36	0.00	0.0
March 17	58	42	0.00	0.0
March 18	60	33	0.00	0.0
March 19	63	30	0.00	0.0
March 20	65	35	0.00	0.0
March 21	67	32	0.00	0.0
March 22	70	39	0.00	0.0
March 23	73	38	0.00	0.0
March 24	73	40	0.00	0.0
March 25	75	44	0.00	0.0
March 26	69	54	0.00	0.0
March 27	62	36	0.36	0.0
March 28	54	33	0.32	0.0
March 29	60	38	0.00	0.0
March 30	68	44	0.00	0.0
March 31	72	48	0.00	0.0

April 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	63	40	0.01
April 2	56	37	0.14
April 3	57	33	0.00
April 4	65	38	0.00
April 5	62	48	0.00
April 6	56	42	0.12
April 7	58	36	0.00
April 8	62	42	0.00
April 9	64	44	0.00
April 10	57	40	0.00
April 11	61	35	0.00
April 12	66	34	0.00
April 13	76	40	0.00
April 14	80	46	0.00
April 15	71	56	0.00
April 16	56	39	0.16
April 17	60	39	0.00
April 18	70	40	0.00
April 19	76	45	0.00
April 20	80	53	0.00
April 21	75	45	0.00
April 22	69	47	0.00
April 23	76	41	0.00
April 24	66	52	0.12
April 25	70	49	0.18
April 26	76	58	0.00
April 27	63	41	0.12
April 28	58	39	0.09
April 29	63	43	0.04
April 30	64	43	0.00

May 1940 Grand Junction Weather

Day	High (°F)	Low (°F)
May 1	72	42
May 2	79	48
May 3	85	54
May 4	85	52
May 5	84	52
May 6	80	50
May 7	74	48
May 8	80	51
May 9	84	49
May 10	85	54
May 11	84	61
May 12	84	55
May 13	79	59
May 14	79	48
May 15	88	57
May 16	84	61
May 17	69	55
May 18	76	49
May 19	78	46
May 20	80	54
May 21	73	52
May 22	78	51
May 23	81	51
May 24	84	53
May 25	86	55
May 26	87	62
May 27	83	58
May 28	85	56
May 29	84	60
May 30	88	56
May 31	89	57

June 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	91	59	0.00
June 2	92	62	0.00
June 3	87	60	0.00
June 4	87	55	0.00
June 5	82	63	0.00
June 6	77	58	0.00
June 7	86	55	0.00
June 8	78	57	0.00
June 9	75	49	0.00
June 10	81	53	0.00
June 11	89	54	0.00
June 12	92	59	0.00
June 13	95	62	0.00
June 14	98	63	0.00
June 15	95	67	0.00
June 16	96	65	0.00
June 17	100	69	0.00
June 18	102	70	0.00
June 19	97	71	0.00
June 20	96	70	0.00
June 21	96	68	0.00
June 22	95	68	0.00
June 23	89	68	0.00
June 24	93	62	0.00
June 25	99	64	0.00
June 26	96	70	0.00
June 27	96	62	0.00
June 28	96	64	0.00
June 29	92	64	0.00
June 30	79	62	0.07

July 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	84	61	0.01
July 2	90	61	0.00
July 3	90	61	0.00
July 4	94	64	0.00
July 5	97	65	0.00
July 6	101	68	0.00
July 7	101	70	0.00
July 8	101	68	0.00
July 9	100	70	0.00
July 10	98	73	0.00
July 11	98	69	0.00
July 12	100	67	0.00
July 13	98	71	0.00
July 14	100	74	0.00
July 15	96	70	0.18
July 16	85	61	0.37
July 17	78	62	0.06
July 18	78	60	0.01
July 19	89	61	0.00
July 20	90	63	0.00
July 21	96	68	0.00
July 22	96	68	0.00
July 23	99	71	0.00
July 24	103	73	0.00
July 25	103	73	0.00
July 26	98	68	0.00
July 27	95	76	0.00
July 28	82	67	0.01
July 29	93	66	0.00
July 30	95	66	0.00
July 31	96	67	0.00

August 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	98	65	0.00
August 2	97	71	0.00
August 3	98	67	0.00
August 4	98	66	0.00
August 5	96	67	0.00
August 6	86	67	0.02
August 7	88	62	0.00
August 8	95	62	0.00
August 9	98	66	0.00
August 10	96	67	0.01
August 11	97	60	0.00
August 12	98	67	0.00
August 13	99	66	0.00
August 14	100	67	0.00
August 15	96	69	0.00
August 16	94	66	0.00
August 17	98	67	0.00
August 18	94	66	0.00
August 19	85	66	0.00
August 20	90	62	0.00
August 21	90	66	0.00
August 22	89	63	0.00
August 23	85	62	0.00
August 24	74	61	0.14
August 25	76	56	0.10
August 26	75	55	0.01
August 27	84	52	0.00
August 28	89	59	0.00
August 29	87	60	0.00
August 30	92	59	0.00
August 31	95	63	0.00

September 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	95	65	0.00
September 2	84	64	0.00
September 3	75	58	0.09
September 4	84	54	0.00
September 5	87	59	0.00
September 6	84	61	0.01
September 7	86	58	0.00
September 8	91	68	0.00
September 9	88	67	0.06
September 10	86	60	0.00
September 11	86	57	0.00
September 12	81	60	0.02
September 13	77	59	0.04
September 14	84	58	0.00
September 15	82	58	0.04
September 16	80	56	0.00
September 17	64	57	0.09
September 18	63	55	0.41
September 19	72	52	0.01
September 20	74	56	0.05
September 21	76	55	0.15
September 22	74	54	0.00
September 23	67	52	0.00
September 24	75	48	0.00
September 25	79	53	0.06
September 26	80	56	0.00
September 27	82	57	0.00
September 28	79	53	0.36
September 29	72	52	0.57
September 30	57	48	0.39

October 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	67	42	0.00
October 2	75	46	0.00
October 3	71	44	0.00
October 4	67	39	0.00
October 5	58	48	0.62
October 6	68	41	0.00
October 7	71	43	0.00
October 8	70	49	0.00
October 9	65	48	0.33
October 10	70	45	0.00
October 11	70	44	0.00
October 12	73	45	0.00
October 13	72	45	0.00
October 14	73	43	0.00
October 15	71	44	0.00
October 16	74	44	0.00
October 17	73	46	0.00
October 18	76	46	0.00
October 19	78	45	0.00
October 20	75	45	0.00
October 21	75	43	0.00
October 22	73	46	0.00
October 23	75	48	0.00
October 24	73	48	0.00
October 25	74	53	0.00
October 26	66	44	0.31
October 27	47	39	0.06
October 28	50	36	0.00
October 29	57	35	0.00
October 30	56	40	0.09
October 31	55	34	0.00

November 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	58	35	0.00	0.0
November 2	61	38	0.00	0.0
November 3	63	40	0.13	0.0
November 4	51	34	0.07	0.0
November 5	50	30	0.00	0.0
November 6	55	28	0.00	0.0
November 7	58	33	0.00	0.0
November 8	54	35	0.00	0.0
November 9	56	35	0.00	0.0
November 10	40	26	0.11	0.4
November 11	43	23	0.00	0.0
November 12	36	23	0.03	0.4
November 13	40	17	0.00	0.0
November 14	43	20	0.00	0.0
November 15	49	22	0.00	0.0
November 16	53	24	0.00	0.0
November 17	51	23	0.00	0.0
November 18	42	29	0.04	0.0
November 19	44	35	0.16	0.0
November 20	42	31	0.00	0.0
November 21	44	32	0.00	0.0
November 22	36	29	0.29	3.0
November 23	42	27	0.00	0.0
November 24	45	24	0.00	0.0
November 25	48	24	0.00	0.0
November 26	44	25	0.00	0.0
November 27	44	23	0.00	0.0
November 28	48	25	0.00	0.0
November 29	49	24	0.00	0.0
November 30	50	23	0.00	0.0

December 1940 Grand Junction Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	54	24	0.00	0.0
December 2	53	26	0.00	0.0
December 3	52	26	0.00	0.0
December 4	53	24	0.00	0.0
December 5	52	22	0.00	0.0
December 6	48	24	0.00	0.0
December 7	52	23	0.00	0.0
December 8	53	24	0.00	0.0
December 9	48	20	0.00	0.0
December 10	48	26	0.00	0.0
December 11	39	30	0.06	0.0
December 12	40	24	0.50	5.7
December 13	29	14	0.03	0.2
December 14	27	10	0.00	0.0
December 15	25	-3	0.00	0.0
December 16	25	5	0.00	0.0
December 17	27	21	0.03	0.2
December 18	32	24	0.00	0.1
December 19	34	29	0.00	0.0
December 20	35	23	0.00	0.0
December 21	30	25	0.00	0.0
December 22	28	21	0.00	0.0
December 23	28	23	0.00	0.0
December 24	40	23	0.00	0.0
December 25	39	29	0.30	2.2
December 26	38	23	0.00	0.0
December 27	34	21	0.00	0.0
December 28	41	26	0.00	0.0
December 29	40	31	0.00	0.0
December 30	39	32	0.08	0.0
December 31	38	31	0.07	0.0

Weather Station Details

Years	Station	Coordinates
1900–2023	Grand Junction Walker Field	location