St. Charles Weather in 2020

Historical record of St. Charles, Missouri weather for the year 2020 based on NOAA data.

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2020 St. Charles Weather Extremes
Highest temperature	94 °F	July 12
Lowest temperature	5 °F	February 15
Highest daily low	78 °F	July 27
Lowest daily high	27 °F	February 15
Most daily precipitation	3.3 inches	August 9
Most daily snow	1.3 inches	January 12
Total annual precipitation	55.1 inches	-

What was the hottest temperature in St. Charles in 2020?

The highest temperature recorded in St. Charles, Missouri in 2020 was 94 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Charles in 2020

Rank	Temperature	Date
1	94 °F	Jul 12
1	94 °F	Jun 7
3	93 °F	Aug 26
3	93 °F	Aug 25
3	93 °F	Aug 11
3	93 °F	Jul 27
3	93 °F	Jul 26
3	93 °F	Jul 19
3	93 °F	Jul 10
3	93 °F	Jul 8

What was the coldest temperature in St. Charles in 2020?

The lowest temperature recorded in St. Charles, Missouri in 2020 was 5 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Charles in 2020

Rank	Temperature	Date
1	5 °F	February 15
1	5 °F	February 14
3	9 °F	December 26
3	9 °F	December 25
5	13 °F	January 20
5	13 °F	January 19
7	15 °F	February 22
7	15 °F	February 21
7	15 °F	January 22
10	18 °F	February 13

January 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	41	28	0.00	0.0
January 2	58	31	0.00	0.0
January 3	55	38	0.00	0.0
January 4	n/a	33	0.00	0.0
January 5	40	28	0.00	0.0
January 6	55	26	0.00	0.0
January 7	50	26	0.00	0.0
January 8	47	27	0.00	0.0
January 9	53	27	0.00	0.0
January 10	57	50	0.92	0.0
January 11	62	36	2.90	0.0
January 12	37	25	0.07	1.3
January 13	n/a	25	0.00	0.0
January 14	38	31	0.00	0.0
January 15	50	31	0.04	0.0
January 16	58	20	0.00	0.0
January 17	56	20	0.00	0.0
January 18	50	27	1.77	0.0
January 19	50	13	0.00	0.0
January 20	n/a	13	0.00	0.0
January 21	n/a	n/a	0.00	0.0
January 22	34	15	0.00	0.0
January 23	37	24	0.23	0.1
January 24	36	32	0.60	n/a
January 25	36	32	0.00	0.0
January 26	35	25	0.00	0.0
January 27	41	25	0.00	0.0
January 28	33	28	0.00	0.0
January 29	32	28	0.00	0.0
January 30	33	28	0.02	n/a
January 31	35	30	0.00	0.0

February 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	n/a	n/a	0.00	0.0
February 2	46	35	0.00	0.0
February 3	70	36	0.00	0.0
February 4	69	36	0.00	0.0
February 5	40	31	0.22	0.0
February 6	33	26	0.36	1.1
February 7	n/a	n/a	0.00	0.0
February 8	39	24	0.10	0.0
February 9	38	28	0.03	0.0
February 10	59	31	0.46	0.0
February 11	34	31	0.00	0.0
February 12	45	31	0.00	0.0
February 13	n/a	18	n/a	n/a
February 14	45	5	0.00	0.0
February 15	27	5	0.00	0.0
February 16	46	24	0.00	0.0
February 17	n/a	30	0.00	0.0
February 18	52	35	0.12	0.0
February 19	n/a	24	0.00	0.0
February 20	40	24	0.00	0.0
February 21	33	15	0.00	0.0
February 22	44	15	0.00	0.0
February 23	56	25	0.00	0.0
February 24	64	35	0.17	0.0
February 25	46	35	1.08	0.0
February 26	39	29	0.15	1.0
February 27	38	23	0.00	0.0
February 28	45	25	0.00	0.0
February 29	n/a	n/a	0.00	0.0

March 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	n/a	n/a	0.00	0.0
March 2	71	n/a	0.05	0.0
March 3	54	36	0.00	0.0
March 4	61	38	0.00	0.0
March 5	n/a	33	0.00	0.0
March 6	61	36	0.00	0.0
March 7	n/a	28	0.00	0.0
March 8	61	33	0.00	0.0
March 9	73	39	0.00	0.0
March 10	62	38	0.63	0.0
March 11	43	38	0.00	0.0
March 12	58	41	0.00	0.0
March 13	58	38	0.27	0.0
March 14	49	36	0.18	0.0
March 15	41	33	0.34	0.0
March 16	43	33	0.01	0.0
March 17	46	37	0.03	0.0
March 18	52	40	n/a	0.0
March 19	61	44	0.40	0.0
March 20	69	49	0.80	0.0
March 21	50	34	0.00	0.0
March 22	43	33	0.00	0.0
March 23	36	33	0.23	n/a
March 24	44	36	0.00	0.0
March 25	46	38	0.19	0.0
March 26	65	44	0.00	0.0
March 27	74	48	1.80	0.0
March 28	80	49	0.30	0.0
March 29	74	50	0.02	0.0
March 30	67	39	0.00	0.0
March 31	66	40	0.00	0.0

April 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	63	36	0.00
April 2	61	37	0.00
April 3	70	49	0.01
April 4	73	36	0.14
April 5	43	36	0.04
April 6	56	n/a	0.00
April 7	76	46	0.00
April 8	87	58	0.00
April 9	n/a	n/a	0.00
April 10	60	34	0.00
April 11	59	35	0.00
April 12	61	49	0.00
April 13	62	35	0.50
April 14	47	35	0.00
April 15	52	34	0.00
April 16	51	35	0.00
April 17	57	37	0.30
April 18	47	30	0.08
April 19	64	32	0.00
April 20	69	40	0.00
April 21	69	41	0.00
April 22	66	43	0.00
April 23	74	52	0.62
April 24	66	45	0.09
April 25	76	45	1.26
April 26	56	43	0.87
April 27	68	44	0.00
April 28	74	51	0.00
April 29	84	52	1.42
April 30	n/a	48	0.25

May 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	69	43	0.00	0.0
May 2	80	44	0.00	0.0
May 3	n/a	n/a	0.00	0.0
May 4	73	47	0.00	0.0
May 5	71	48	0.37	0.0
May 6	n/a	43	n/a	n/a
May 7	64	45	n/a	n/a
May 8	71	49	0.28	0.0
May 9	59	37	0.00	n/a
May 10	66	43	0.00	n/a
May 11	60	40	0.10	n/a
May 12	60	43	0.00	n/a
May 13	56	47	0.02	n/a
May 14	63	50	0.02	n/a
May 15	81	60	0.73	0.0
May 16	n/a	58	0.00	0.0
May 17	80	64	2.54	n/a
May 18	73	56	0.19	n/a
May 19	64	55	0.05	n/a
May 20	64	57	0.03	n/a
May 21	68	55	0.03	n/a
May 22	68	56	0.00	0.0
May 23	79	62	0.00	0.0
May 24	88	62	0.00	0.0
May 25	87	63	0.22	n/a
May 26	88	63	0.67	n/a
May 27	85	67	0.05	n/a
May 28	75	66	0.55	0.0
May 29	81	62	0.19	0.0
May 30	78	53	0.00	n/a
May 31	76	55	0.00	n/a

June 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
June 1	79	62	0.00	0.0
June 2	83	65	0.00	0.0
June 3	88	70	0.00	n/a
June 4	92	67	0.18	n/a
June 5	85	66	0.00	0.0
June 6	88	66	0.00	n/a
June 7	94	68	0.00	n/a
June 8	91	67	0.00	n/a
June 9	90	72	0.10	n/a
June 10	90	68	0.06	n/a
June 11	72	57	0.00	n/a
June 12	84	61	0.00	0.0
June 13	91	62	0.00	n/a
June 14	87	65	0.00	n/a
June 15	81	63	0.00	n/a
June 16	83	53	0.00	n/a
June 17	85	63	0.00	n/a
June 18	87	61	0.00	n/a
June 19	n/a	n/a	0.00	n/a
June 20	90	64	0.00	0.0
June 21	90	64	1.17	0.0
June 22	88	68	0.00	0.0
June 23	n/a	65	0.29	0.0
June 24	82	59	0.00	0.0
June 25	83	61	0.00	0.0
June 26	90	63	0.00	0.0
June 27	92	n/a	0.00	0.0
June 28	83	71	0.10	n/a
June 29	90	72	0.12	n/a
June 30	88	70	0.21	n/a

July 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	74	68	1.62
July 2	80	68	0.14
July 3	88	70	0.00
July 4	86	69	0.08
July 5	90	69	0.00
July 6	90	71	0.06
July 7	92	72	0.00
July 8	93	72	0.84
July 9	91	72	0.20
July 10	93	70	0.00
July 11	90	70	0.00
July 12	94	72	0.00
July 13	86	67	0.00
July 14	87	70	0.00
July 15	92	73	0.00
July 16	91	67	0.64
July 17	90	67	0.00
July 18	91	72	0.00
July 19	93	75	0.02
July 20	92	69	2.32
July 21	86	71	0.02
July 22	89	70	1.04
July 23	89	71	0.00
July 24	89	70	0.00
July 25	90	71	0.00
July 26	93	77	0.00
July 27	93	78	0.00
July 28	87	68	0.38
July 29	87	68	0.00
July 30	91	n/a	2.05
July 31	82	69	0.23

August 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	73	66	1.06
August 2	76	65	0.00
August 3	86	65	1.20
August 4	76	58	0.00
August 5	75	55	0.00
August 6	77	56	0.00
August 7	79	61	0.00
August 8	85	63	0.00
August 9	86	68	3.29
August 10	89	70	0.00
August 11	93	68	0.75
August 12	n/a	n/a	0.00
August 13	85	71	0.00
August 14	84	70	0.95
August 15	87	70	0.00
August 16	89	61	0.10
August 17	n/a	62	0.00
August 18	88	66	0.00
August 19	82	61	0.00
August 20	79	57	0.00
August 21	81	57	0.00
August 22	83	59	0.00
August 23	89	64	0.00
August 24	92	68	0.00
August 25	93	68	0.00
August 26	93	69	0.00
August 27	90	70	0.00
August 28	86	75	0.00
August 29	88	73	0.00
August 30	82	56	0.00
August 31	82	57	0.00

September 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	81	67	0.02
September 2	75	66	0.41
September 3	81	65	0.00
September 4	88	57	0.00
September 5	83	57	0.00
September 6	87	62	0.00
September 7	90	70	0.00
September 8	90	72	0.00
September 9	90	64	0.26
September 10	83	65	0.00
September 11	78	67	0.00
September 12	85	68	0.00
September 13	n/a	61	0.03
September 14	n/a	56	0.00
September 15	81	56	0.00
September 16	79	56	0.00
September 17	81	56	0.00
September 18	n/a	51	0.00
September 19	n/a	44	0.00
September 20	71	46	0.00
September 21	76	46	0.00
September 22	79	47	0.00
September 23	77	54	0.00
September 24	77	53	0.00
September 25	77	53	0.00
September 26	81	54	0.00
September 27	85	60	0.00
September 28	78	53	0.45
September 29	69	48	0.06
September 30	66	48	0.00

October 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	n/a	n/a	0.00
October 2	n/a	43	0.00
October 3	61	42	0.00
October 4	56	45	0.10
October 5	59	35	0.00
October 6	67	35	0.00
October 7	78	53	0.00
October 8	88	54	0.00
October 9	83	54	0.00
October 10	84	56	0.00
October 11	79	57	0.00
October 12	84	58	0.00
October 13	73	42	0.00
October 14	80	43	0.00
October 15	86	43	0.00
October 16	n/a	32	0.00
October 17	n/a	32	0.00
October 18	71	48	0.00
October 19	64	39	0.89
October 20	n/a	39	0.07
October 21	56	43	0.90
October 22	61	49	0.04
October 23	85	n/a	0.00
October 24	66	41	0.03
October 25	48	41	0.00
October 26	50	40	0.00
October 27	41	35	0.64
October 28	41	34	0.07
October 29	49	40	0.68
October 30	49	33	0.14
October 31	55	33	0.00

November 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	65	41	0.00
November 2	52	26	0.00
November 3	61	27	0.00
November 4	77	35	0.00
November 5	79	53	0.00
November 6	76	46	0.00
November 7	76	44	0.00
November 8	76	45	0.00
November 9	76	59	0.00
November 10	78	65	0.00
November 11	76	33	0.30
November 12	53	32	0.00
November 13	59	31	0.00
November 14	59	31	0.50
November 15	58	40	0.69
November 16	54	32	0.00
November 17	67	36	0.00
November 18	48	35	0.00
November 19	n/a	38	0.00
November 20	75	57	0.00
November 21	n/a	45	0.29
November 22	50	41	0.88
November 23	50	34	0.02
November 24	47	34	0.07
November 25	58	46	0.83
November 26	58	43	0.25
November 27	53	37	0.00
November 28	53	29	0.00
November 29	56	30	0.00
November 30	49	29	0.00

December 2020 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	37	21	0.00
December 2	41	22	0.00
December 3	50	23	0.00
December 4	48	33	0.00
December 5	51	29	0.00
December 6	54	27	0.00
December 7	43	29	0.00
December 8	41	31	0.00
December 9	48	35	0.00
December 10	67	33	0.00
December 11	67	33	0.00
December 12	n/a	n/a	0.77
December 13	44	35	0.01
December 14	38	26	0.00
December 15	38	23	0.00
December 16	38	23	0.00
December 17	37	20	0.00
December 18	38	21	0.00
December 19	45	26	0.00
December 20	52	26	0.00
December 21	52	26	0.01
December 22	58	29	0.00
December 23	58	29	0.00
December 24	62	20	0.18
December 25	n/a	9	0.00
December 26	28	9	0.00
December 27	46	20	0.00
December 28	59	32	0.00
December 29	39	24	0.00
December 30	46	26	0.18
December 31	47	23	0.04

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Weather Station Details

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