St. Charles Weather in 2018

Historical record of St. Charles, Missouri weather for the year 2018 based on NOAA data.

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2018 St. Charles Weather Extremes
Highest temperature	97 °F	August 7
Lowest temperature	-6 °F	January 2
Highest daily low	78 °F	June 18
Lowest daily high	10 °F	January 2
Most daily precipitation	2.2 inches	May 19
Most daily snow	3.0 inches	November 15
Total annual precipitation	46.6 inches	-

What was the hottest temperature in St. Charles in 2018?

The highest temperature recorded in St. Charles, Missouri in 2018 was 97 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Charles in 2018

Rank	Temperature	Date
1	97 °F	Aug 7
1	97 °F	Jul 15
1	97 °F	Jul 14
4	96 °F	Jul 11
5	95 °F	Aug 29
5	95 °F	Aug 27
5	95 °F	Jul 6
5	95 °F	Jul 5
5	95 °F	Jul 2
5	95 °F	Jul 1
5	95 °F	Jun 16
5	95 °F	Jun 2

What was the coldest temperature in St. Charles in 2018?

The lowest temperature recorded in St. Charles, Missouri in 2018 was -6 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Charles in 2018

Rank	Temperature	Date
1	-6 °F	January 2
1	-6 °F	January 1
3	-2 °F	January 4
3	-2 °F	January 3
5	-1 °F	January 17
5	-1 °F	January 16
7	2 °F	January 18
7	2 °F	January 7
7	2 °F	January 6
10	3 °F	January 5

January 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	12	-6	0.00	0.0
January 2	10	-6	0.00	0.0
January 3	22	-2	0.00	0.0
January 4	27	-2	0.00	0.0
January 5	19	3	0.00	0.0
January 6	20	2	0.00	0.0
January 7	24	2	0.00	0.0
January 8	40	23	0.30	0.0
January 9	37	30	0.00	0.0
January 10	44	30	0.00	0.0
January 11	59	30	0.05	0.0
January 12	64	12	0.02	0.0
January 13	17	12	0.00	0.0
January 14	22	13	0.00	0.0
January 15	30	19	0.06	1.2
January 16	29	-1	0.00	0.0
January 17	n/a	-1	0.00	0.0
January 18	26	2	0.00	0.0
January 19	46	20	0.00	0.0
January 20	48	21	0.00	0.0
January 21	60	n/a	0.00	0.0
January 22	70	n/a	0.75	0.0
January 23	n/a	n/a	n/a	0.0
January 24	36	27	0.00	0.0
January 25	41	25	0.00	0.0
January 26	66	34	0.00	0.0
January 27	n/a	n/a	0.00	0.0
January 28	56	26	0.00	0.0
January 29	55	26	0.00	0.0
January 30	33	16	0.00	0.0
January 31	40	16	0.00	0.0

February 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	59	37	0.00	0.0
February 2	40	11	0.00	0.0
February 3	31	11	0.00	0.0
February 4	46	23	0.00	0.0
February 5	36	6	0.00	0.0
February 6	n/a	6	0.00	0.0
February 7	26	15	0.00	0.0
February 8	34	15	0.00	0.0
February 9	48	21	0.00	0.0
February 10	55	23	0.00	0.0
February 11	26	17	n/a	0.0
February 12	25	12	0.00	0.0
February 13	37	13	0.00	0.0
February 14	47	22	0.10	0.0
February 15	66	42	0.00	0.0
February 16	79	36	0.01	0.0
February 17	41	29	0.01	0.0
February 18	44	26	n/a	n/a
February 19	59	34	0.05	0.0
February 20	69	57	0.79	0.0
February 21	69	27	1.45	0.0
February 22	33	26	0.13	0.0
February 23	46	33	0.12	0.0
February 24	48	38	1.38	0.0
February 25	54	34	0.45	0.0
February 26	53	30	0.00	0.0
February 27	62	30	0.00	0.0
February 28	70	45	0.19	0.0

March 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	56	48	0.18	0.0
March 2	57	28	0.00	0.0
March 3	54	29	0.00	0.0
March 4	58	33	0.00	0.0
March 5	60	37	0.44	0.0
March 6	n/a	33	0.20	0.0
March 7	47	31	n/a	n/a
March 8	n/a	34	0.00	0.0
March 9	41	25	0.00	0.0
March 10	52	29	0.00	0.0
March 11	54	35	0.00	0.0
March 12	38	30	0.35	n/a
March 13	47	30	0.00	0.0
March 14	49	25	0.00	0.0
March 15	57	26	0.00	0.0
March 16	69	40	0.00	0.0
March 17	50	39	0.17	0.0
March 18	47	38	0.00	0.0
March 19	43	38	0.00	0.0
March 20	47	35	1.45	0.0
March 21	46	34	0.00	0.0
March 22	50	29	0.00	0.0
March 23	51	29	0.03	0.0
March 24	53	43	0.89	0.0
March 25	43	34	0.10	0.0
March 26	50	35	0.00	0.0
March 27	57	39	1.62	0.0
March 28	58	40	0.35	0.0
March 29	48	41	0.12	0.0
March 30	47	38	0.44	0.0
March 31	56	38	0.00	0.0

April 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	57	29	n/a	0.0
April 2	38	24	0.12	0.3
April 3	44	25	0.43	0.0
April 4	73	28	0.00	0.0
April 5	42	28	0.00	0.0
April 6	64	28	0.00	0.0
April 7	51	24	0.00	0.0
April 8	43	24	0.00	0.0
April 9	42	28	0.00	0.0
April 10	48	35	0.00	0.0
April 11	53	36	0.00	0.0
April 12	76	48	0.00	0.0
April 13	81	47	0.00	0.0
April 14	80	60	1.61	0.0
April 15	63	38	0.23	0.0
April 16	43	30	0.03	0.0
April 17	48	29	0.00	0.0
April 18	61	29	0.00	0.0
April 19	66	35	0.00	0.0
April 20	56	34	0.00	0.0
April 21	64	41	0.00	0.0
April 22	68	47	0.00	0.0
April 23	60	50	0.04	0.0
April 24	61	49	0.17	0.0
April 25	73	46	0.00	0.0
April 26	64	48	0.00	0.0
April 27	71	49	0.00	0.0
April 28	72	43	0.00	0.0
April 29	64	42	0.00	0.0
April 30	66	43	0.00	0.0

May 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	82	50	0.00	0.0
May 2	87	65	0.00	0.0
May 3	87	65	0.75	0.0
May 4	73	65	0.23	0.0
May 5	n/a	n/a	0.00	0.0
May 6	80	52	0.00	0.0
May 7	84	54	0.00	0.0
May 8	79	50	0.00	0.0
May 9	82	49	0.41	0.0
May 10	88	58	0.00	0.0
May 11	89	61	0.00	0.0
May 12	n/a	n/a	0.00	0.0
May 13	n/a	n/a	0.00	0.0
May 14	n/a	n/a	0.00	0.0
May 15	90	66	0.45	n/a
May 16	81	61	0.05	n/a
May 17	81	63	0.00	n/a
May 18	83	65	0.50	n/a
May 19	83	65	2.20	n/a
May 20	79	61	0.41	n/a
May 21	82	61	0.70	n/a
May 22	82	63	0.05	n/a
May 23	84	63	0.00	n/a
May 24	86	64	0.00	n/a
May 25	88	64	0.00	n/a
May 26	86	68	0.00	n/a
May 27	91	64	0.08	n/a
May 28	94	69	0.00	n/a
May 29	94	72	0.00	n/a
May 30	83	72	0.00	n/a
May 31	89	73	0.00	n/a

June 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
June 1	88	68	0.00	n/a
June 2	95	71	0.00	n/a
June 3	84	63	0.24	n/a
June 4	82	57	0.00	n/a
June 5	79	58	0.00	n/a
June 6	88	61	0.00	0.0
June 7	89	65	0.00	0.0
June 8	92	72	0.00	0.0
June 9	n/a	n/a	0.00	0.0
June 10	91	68	0.70	0.0
June 11	93	72	0.00	0.0
June 12	93	73	0.00	0.0
June 13	89	72	0.00	0.0
June 14	87	65	0.00	0.0
June 15	91	66	0.26	0.0
June 16	95	72	0.00	0.0
June 17	94	76	0.00	0.0
June 18	94	78	0.00	0.0
June 19	94	77	0.00	0.0
June 20	92	71	0.65	0.0
June 21	90	70	0.70	n/a
June 22	83	65	0.15	n/a
June 23	73	66	0.63	n/a
June 24	80	65	0.00	n/a
June 25	84	67	0.03	n/a
June 26	84	69	0.14	n/a
June 27	79	68	0.92	n/a
June 28	89	69	0.00	n/a
June 29	94	71	0.21	n/a
June 30	94	73	0.00	n/a

July 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
July 1	95	73	0.00	0.0
July 2	95	73	0.17	0.0
July 3	89	73	0.00	0.0
July 4	94	75	0.00	0.0
July 5	95	74	0.00	0.0
July 6	95	73	0.00	0.0
July 7	87	60	0.00	0.0
July 8	82	60	0.00	0.0
July 9	89	64	0.00	0.0
July 10	92	73	0.00	0.0
July 11	96	74	0.00	0.0
July 12	90	73	0.00	0.0
July 13	93	73	0.00	0.0
July 14	97	76	0.00	0.0
July 15	97	73	0.04	0.0
July 16	90	73	0.00	0.0
July 17	93	72	0.00	0.0
July 18	88	68	0.00	0.0
July 19	88	71	0.00	n/a
July 20	87	65	0.90	n/a
July 21	94	68	0.00	n/a
July 22	n/a	68	0.00	n/a
July 23	81	67	0.00	n/a
July 24	85	67	0.00	n/a
July 25	88	65	0.00	n/a
July 26	87	69	0.00	n/a
July 27	85	63	0.00	n/a
July 28	84	62	0.00	n/a
July 29	81	62	0.00	n/a
July 30	72	64	0.19	n/a
July 31	78	65	0.00	n/a

August 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
August 1	78	58	0.00	n/a
August 2	89	60	0.00	0.0
August 3	93	67	0.52	0.0
August 4	94	67	0.00	0.0
August 5	93	70	0.00	0.0
August 6	94	74	0.00	0.0
August 7	97	73	0.00	n/a
August 8	80	68	0.57	n/a
August 9	88	66	0.00	0.0
August 10	90	66	0.00	n/a
August 11	94	67	0.00	0.0
August 12	87	65	0.00	0.0
August 13	90	66	0.00	0.0
August 14	91	67	0.00	n/a
August 15	84	69	0.74	n/a
August 16	83	70	0.50	n/a
August 17	90	73	0.05	n/a
August 18	87	68	0.00	n/a
August 19	n/a	n/a	0.00	n/a
August 20	86	70	0.65	n/a
August 21	83	68	0.05	n/a
August 22	81	63	0.00	n/a
August 23	79	56	0.00	n/a
August 24	79	56	0.13	n/a
August 25	78	60	1.13	n/a
August 26	94	75	0.00	n/a
August 27	95	75	0.00	n/a
August 28	94	77	0.00	n/a
August 29	95	69	0.69	0.0
August 30	75	67	0.27	0.0
August 31	80	67	0.00	n/a

September 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	85	70	0.00	n/a
September 2	90	72	0.00	n/a
September 3	90	72	0.00	n/a
September 4	92	72	0.00	n/a
September 5	92	72	0.00	n/a
September 6	93	72	0.00	n/a
September 7	84	71	0.00	0.0
September 8	81	66	1.45	0.0
September 9	69	59	0.22	0.0
September 10	76	58	0.02	0.0
September 11	79	57	0.01	0.0
September 12	82	57	0.01	0.0
September 13	82	58	0.00	n/a
September 14	86	63	0.00	n/a
September 15	91	65	0.00	n/a
September 16	91	65	0.00	n/a
September 17	91	66	0.00	n/a
September 18	93	69	0.00	n/a
September 19	93	70	0.00	n/a
September 20	93	70	0.35	n/a
September 21	93	73	0.15	n/a
September 22	81	57	0.00	n/a
September 23	73	53	0.00	n/a
September 24	80	54	0.00	n/a
September 25	80	66	0.00	n/a
September 26	85	53	0.62	n/a
September 27	70	50	0.00	n/a
September 28	74	50	0.00	0.0
September 29	n/a	n/a	0.00	0.0
September 30	72	52	0.00	n/a

October 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	82	52	0.00
October 2	85	n/a	0.00
October 3	87	69	0.00
October 4	89	72	0.00
October 5	72	60	0.27
October 6	87	64	0.00
October 7	86	65	0.22
October 8	87	65	1.48
October 9	86	67	0.01
October 10	85	68	0.46
October 11	n/a	48	0.19
October 12	58	41	0.00
October 13	48	41	0.24
October 14	49	42	0.07
October 15	57	39	0.12
October 16	49	33	0.00
October 17	60	34	0.00
October 18	63	35	0.00
October 19	62	35	0.00
October 20	59	47	0.00
October 21	64	28	0.00
October 22	57	29	0.00
October 23	73	40	0.00
October 24	63	33	0.00
October 25	n/a	n/a	0.00
October 26	n/a	n/a	n/a
October 27	n/a	n/a	0.00
October 28	64	41	0.00
October 29	66	37	0.00
October 30	71	37	0.00
October 31	80	n/a	0.68

November 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	57	46	0.68	0.0
November 2	47	37	0.43	0.0
November 3	57	38	0.38	0.0
November 4	n/a	38	0.13	0.0
November 5	56	42	0.05	0.0
November 6	52	44	0.46	0.0
November 7	60	36	0.00	0.0
November 8	52	33	0.00	0.0
November 9	40	32	n/a	n/a
November 10	40	19	0.08	0.4
November 11	36	19	0.00	0.0
November 12	44	29	0.00	0.0
November 13	38	21	0.12	0.8
November 14	29	15	0.00	0.0
November 15	32	15	0.36	3.0
November 16	38	27	0.10	0.5
November 17	49	29	0.00	0.0
November 18	47	32	0.00	0.0
November 19	35	33	0.04	0.0
November 20	41	29	0.00	0.0
November 21	37	27	0.00	0.0
November 22	57	29	0.00	0.0
November 23	63	29	0.00	0.0
November 24	50	42	0.35	0.0
November 25	62	39	0.00	0.0
November 26	57	28	0.24	0.0
November 27	29	18	0.00	0.0
November 28	28	17	0.00	0.0
November 29	33	21	0.00	0.0
November 30	53	26	0.02	0.0

December 2018 St. Charles Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	54	37	0.86	0.0
December 2	67	44	0.04	0.0
December 3	44	36	0.00	0.0
December 4	37	31	0.04	n/a
December 5	36	28	0.07	n/a
December 6	45	29	0.00	0.0
December 7	40	23	0.12	n/a
December 8	31	22	0.00	0.0
December 9	31	17	0.00	0.0
December 10	35	15	0.00	0.0
December 11	39	21	0.00	0.0
December 12	54	31	0.00	0.0
December 13	54	31	0.00	0.0
December 14	47	41	0.53	0.0
December 15	44	38	0.19	0.0
December 16	48	30	0.00	0.0
December 17	59	30	0.00	0.0
December 18	52	25	0.00	0.0
December 19	53	26	0.05	0.0
December 20	55	36	0.02	0.0
December 21	46	34	0.08	0.0
December 22	46	24	0.00	0.0
December 23	54	27	0.00	0.0
December 24	45	26	0.00	0.0
December 25	51	26	0.00	0.0
December 26	52	29	0.00	0.0
December 27	52	30	0.52	0.0
December 28	60	32	0.70	0.0
December 29	35	25	0.00	0.0
December 30	30	22	0.00	0.0
December 31	43	23	1.50	0.0

Next Year >

Weather Station Details

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