St. Charles Weather in 1940

Historical record of St. Charles, Missouri weather for the year 1940 based on NOAA data.

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1940 St. Charles Weather Extremes
Highest temperature	107 °F	July 29
Lowest temperature	-14 °F	January 19
Highest daily low	77 °F	July 26
Lowest daily high	10 °F	January 25
Most daily precipitation	1.7 inches	May 1
Most daily snow	6.0 inches	January 7
Total annual precipitation	25.8 inches	-
Total annual snow	17.0 inches	-

What was the hottest temperature in St. Charles in 1940?

The highest temperature recorded in St. Charles, Missouri in 1940 was 107 °F which happened on July 29.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Charles in 1940

Rank	Temperature	Date
1	107 °F	Jul 29
2	104 °F	Jul 28
3	103 °F	Aug 1
4	102 °F	Jul 25
5	100 °F	Jul 31
5	100 °F	Jul 26
5	100 °F	Jul 24
8	98 °F	Jul 10
8	98 °F	Jun 6
10	97 °F	Jul 27
10	97 °F	Jun 9

What was the coldest temperature in St. Charles in 1940?

The lowest temperature recorded in St. Charles, Missouri in 1940 was -14 °F which happened on Jan 19.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Charles in 1940

Rank	Temperature	Date
1	-14 °F	January 19
2	-10 °F	January 20
2	-10 °F	January 5
4	-8 °F	January 25
5	-7 °F	January 6
6	-6 °F	January 26
7	-4 °F	January 27
7	-4 °F	January 18
7	-4 °F	January 2
10	-1 °F	January 28

January 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	20	6	0.05	1.0
January 2	20	-4	0.00	0.0
January 3	21	0	0.00	0.0
January 4	25	7	0.00	0.0
January 5	n/a	-10	0.00	0.0
January 6	20	-7	0.00	0.0
January 7	20	7	0.44	6.0
January 8	27	7	0.06	1.0
January 9	30	10	0.00	0.0
January 10	37	19	0.08	1.5
January 11	40	30	0.00	0.0
January 12	n/a	22	0.00	0.0
January 13	33	20	0.00	0.0
January 14	32	25	0.48	0.0
January 15	31	15	0.00	0.0
January 16	37	14	0.00	0.0
January 17	n/a	12	0.00	0.0
January 18	n/a	-4	0.15	3.0
January 19	14	-14	0.00	0.0
January 20	17	-10	0.00	0.0
January 21	22	0	0.00	0.0
January 22	26	5	0.00	0.0
January 23	30	9	0.10	1.0
January 24	n/a	6	0.00	0.0
January 25	10	-8	0.00	0.0
January 26	18	-6	0.00	0.0
January 27	26	-4	0.00	0.0
January 28	37	-1	0.00	0.0
January 29	34	10	0.00	0.0
January 30	31	13	0.00	0.0
January 31	40	16	0.00	0.0

February 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	34	20	0.00	0.0
February 2	33	20	0.00	0.0
February 3	33	14	0.00	0.0
February 4	38	19	0.00	0.0
February 5	39	29	0.00	0.0
February 6	34	30	0.00	0.0
February 7	34	22	0.00	0.0
February 8	48	29	0.00	0.0
February 9	39	32	0.10	0.0
February 10	39	24	0.00	0.0
February 11	64	24	0.00	0.0
February 12	45	35	0.00	0.0
February 13	n/a	30	0.00	0.0
February 14	39	23	0.00	0.0
February 15	48	24	0.00	0.0
February 16	55	32	0.00	0.0
February 17	40	31	0.00	0.0
February 18	34	32	0.00	0.0
February 19	36	32	0.75	1.5
February 20	36	32	0.07	0.0
February 21	35	32	0.01	0.0
February 22	39	25	0.00	0.0
February 23	42	26	0.00	0.0
February 24	n/a	28	0.18	0.0
February 25	34	9	0.00	0.0
February 26	46	15	0.00	0.0
February 27	44	30	0.17	0.0
February 28	41	29	0.00	0.0
February 29	61	27	0.00	0.0

March 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	53	31	0.00	0.0
March 2	71	38	0.30	0.0
March 3	n/a	38	0.35	0.0
March 4	41	37	0.00	0.0
March 5	44	30	0.00	0.0
March 6	46	32	0.00	0.0
March 7	41	34	0.00	0.0
March 8	51	27	0.00	0.0
March 9	47	26	0.00	0.0
March 10	42	32	0.00	0.0
March 11	37	30	0.00	0.0
March 12	34	30	0.83	0.0
March 13	37	31	0.00	0.0
March 14	n/a	25	0.00	0.0
March 15	57	22	0.00	0.0
March 16	65	30	0.00	0.0
March 17	80	38	0.00	0.0
March 18	55	38	0.15	0.0
March 19	60	30	0.00	0.0
March 20	49	34	0.00	0.0
March 21	56	35	0.00	0.0
March 22	41	22	0.00	0.0
March 23	39	20	0.05	0.5
March 24	39	19	0.05	0.5
March 25	37	18	0.00	0.0
March 26	55	24	0.00	0.0
March 27	75	32	0.00	0.0
March 28	68	53	0.19	0.0
March 29	75	51	0.27	0.0
March 30	79	48	0.00	0.0
March 31	89	56	0.00	0.0

April 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	84	54	0.00	0.0
April 2	84	58	0.00	0.0
April 3	79	60	0.23	0.0
April 4	n/a	45	0.00	0.0
April 5	58	37	0.00	0.0
April 6	55	32	0.00	0.0
April 7	54	29	0.29	0.0
April 8	n/a	40	0.00	0.0
April 9	64	33	0.00	0.0
April 10	61	45	0.00	0.0
April 11	n/a	41	0.49	0.0
April 12	52	25	0.24	1.0
April 13	61	28	0.00	0.0
April 14	82	35	0.00	0.0
April 15	86	45	0.00	0.0
April 16	76	53	0.00	0.0
April 17	71	52	0.00	0.0
April 18	n/a	37	0.45	0.0
April 19	49	39	0.00	0.0
April 20	64	37	0.00	0.0
April 21	63	34	0.00	0.0
April 22	68	44	0.00	0.0
April 23	68	50	0.35	0.0
April 24	62	39	0.00	0.0
April 25	65	45	0.00	0.0
April 26	59	44	0.00	0.0
April 27	69	43	0.00	0.0
April 28	81	51	0.00	0.0
April 29	80	59	0.22	0.0
April 30	78	54	0.00	0.0

May 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	n/a	40	1.72
May 2	65	39	0.00
May 3	63	39	0.00
May 4	69	37	0.00
May 5	89	53	0.00
May 6	84	52	0.00
May 7	95	58	0.00
May 8	82	63	0.00
May 9	74	50	0.00
May 10	76	47	0.00
May 11	72	48	0.00
May 12	86	48	0.00
May 13	93	60	0.00
May 14	82	66	0.00
May 15	n/a	50	0.00
May 16	76	45	0.00
May 17	61	49	0.00
May 18	74	54	0.59
May 19	78	54	1.48
May 20	89	56	0.00
May 21	83	59	0.00
May 22	73	61	0.44
May 23	73	52	0.00
May 24	78	52	0.00
May 25	65	53	0.06
May 26	72	51	0.12
May 27	79	52	0.00
May 28	76	55	0.00
May 29	76	52	0.00
May 30	79	53	0.02
May 31	75	54	0.00

June 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	86	58	0.00
June 2	89	58	0.00
June 3	91	65	0.00
June 4	95	64	0.00
June 5	96	65	0.00
June 6	98	68	0.00
June 7	85	67	0.20
June 8	92	69	0.00
June 9	97	67	0.00
June 10	89	69	0.00
June 11	80	70	0.00
June 12	78	66	0.10
June 13	85	65	0.00
June 14	87	64	0.00
June 15	95	65	0.00
June 16	91	67	0.00
June 17	89	70	0.00
June 18	89	70	0.00
June 19	89	71	0.00
June 20	n/a	64	0.00
June 21	86	57	0.00
June 22	91	63	0.00
June 23	88	74	0.00
June 24	81	60	0.30
June 25	86	59	0.00
June 26	96	59	0.00
June 27	89	70	0.00
June 28	85	66	1.16
June 29	82	58	0.00
June 30	90	59	0.00

July 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	91	65	0.00
July 2	83	65	0.00
July 3	81	58	0.00
July 4	85	54	0.00
July 5	89	55	0.00
July 6	92	58	0.00
July 7	91	62	0.00
July 8	89	64	0.00
July 9	95	66	0.00
July 10	98	69	0.00
July 11	91	71	0.00
July 12	n/a	64	0.00
July 13	83	55	0.00
July 14	91	59	0.00
July 15	93	65	0.00
July 16	83	61	1.45
July 17	87	59	0.00
July 18	86	64	0.00
July 19	94	64	0.00
July 20	92	68	0.00
July 21	87	70	0.00
July 22	94	72	0.42
July 23	93	73	0.00
July 24	100	73	0.00
July 25	102	77	0.00
July 26	100	77	0.00
July 27	97	74	0.00
July 28	104	74	0.00
July 29	107	74	0.00
July 30	96	74	0.00
July 31	100	75	0.00

August 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	103	76	0.00
August 2	96	74	0.00
August 3	93	74	0.00
August 4	93	74	0.00
August 5	95	74	0.00
August 6	89	69	0.19
August 7	88	64	0.00
August 8	88	69	0.00
August 9	n/a	69	0.00
August 10	78	68	0.35
August 11	81	69	0.51
August 12	85	71	0.00
August 13	89	72	0.00
August 14	91	70	0.37
August 15	89	71	0.00
August 16	96	69	0.00
August 17	92	72	0.00
August 18	n/a	70	0.38
August 19	76	59	0.00
August 20	73	55	0.00
August 21	81	51	0.00
August 22	83	56	0.00
August 23	79	62	0.00
August 24	87	57	0.00
August 25	92	60	0.00
August 26	94	71	0.00
August 27	83	70	0.78
August 28	86	68	0.05
August 29	89	67	0.00
August 30	87	61	0.09
August 31	84	64	0.00

September 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	84	58	0.00
September 2	84	58	0.00
September 3	90	60	0.00
September 4	89	67	0.00
September 5	89	60	0.00
September 6	89	63	0.00
September 7	94	64	0.00
September 8	96	67	0.00
September 9	94	67	0.00
September 10	n/a	53	0.00
September 11	69	42	0.00
September 12	77	44	0.00
September 13	84	47	0.00
September 14	78	58	0.00
September 15	80	56	0.00
September 16	76	59	0.00
September 17	89	60	0.00
September 18	95	63	0.00
September 19	96	61	0.00
September 20	96	62	0.00
September 21	95	63	0.00
September 22	91	66	0.00
September 23	78	71	0.00
September 24	79	70	0.00
September 25	n/a	47	0.12
September 26	68	37	0.00
September 27	74	37	0.00
September 28	80	40	0.00
September 29	78	44	0.00
September 30	77	46	0.00

October 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	77	44	0.00
October 2	79	44	0.00
October 3	82	48	0.00
October 4	69	60	0.00
October 5	91	59	0.49
October 6	86	60	0.00
October 7	n/a	52	1.29
October 8	73	40	0.00
October 9	75	41	0.00
October 10	77	47	0.05
October 11	78	58	0.00
October 12	84	51	0.00
October 13	89	57	0.00
October 14	79	60	0.00
October 15	n/a	43	0.34
October 16	67	35	0.00
October 17	69	43	0.00
October 18	67	38	0.00
October 19	78	46	0.00
October 20	68	42	0.00
October 21	72	45	0.00
October 22	87	53	0.00
October 23	88	54	0.00
October 24	88	55	0.00
October 25	89	58	0.00
October 26	87	54	0.00
October 27	86	52	0.00
October 28	82	61	0.00
October 29	70	59	0.00
October 30	74	39	0.00
October 31	68	40	0.00

November 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	68	50	0.04
November 2	77	44	0.00
November 3	79	43	0.00
November 4	71	49	0.00
November 5	n/a	48	0.06
November 6	52	33	0.00
November 7	56	26	0.00
November 8	59	30	0.00
November 9	50	37	0.00
November 10	60	43	0.30
November 11	n/a	44	1.11
November 12	n/a	20	0.00
November 13	30	10	0.00
November 14	25	12	0.00
November 15	32	10	0.00
November 16	52	18	0.00
November 17	59	31	0.00
November 18	63	29	0.00
November 19	69	34	0.00
November 20	58	43	0.07
November 21	68	43	0.00
November 22	56	32	0.14
November 23	45	42	0.15
November 24	n/a	37	0.03
November 25	44	27	0.00
November 26	37	30	1.05
November 27	36	30	0.00
November 28	43	18	0.00
November 29	49	23	0.00
November 30	63	40	0.00

December 1940 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	n/a	25	0.00
December 2	42	27	0.00
December 3	32	11	0.00
December 4	55	12	0.00
December 5	46	30	0.00
December 6	61	33	0.00
December 7	51	40	0.00
December 8	59	36	0.00
December 9	72	35	0.00
December 10	48	33	0.00
December 11	36	32	0.18
December 12	37	22	0.95
December 13	n/a	30	0.04
December 14	37	29	0.00
December 15	41	30	0.18
December 16	n/a	27	1.16
December 17	35	20	0.00
December 18	39	24	0.00
December 19	50	32	0.00
December 20	55	33	0.00
December 21	57	23	0.00
December 22	66	31	0.00
December 23	59	31	0.00
December 24	64	32	0.00
December 25	62	32	0.00
December 26	52	40	0.00
December 27	n/a	37	0.08
December 28	41	36	0.00
December 29	41	37	0.10
December 30	40	37	0.00
December 31	48	37	0.00

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Weather Station Details

Years	Station	Coordinates
1893–2024	St. Charles Elm Point	location