St. Louis Weather in 2018

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

Jump to Month:

Year:

2018 St. Louis Weather Extremes
Highest temperature	100 °F	July 14
Lowest temperature	-6 °F	January 1
Highest daily low	80 °F	August 26
Lowest daily high	9 °F	January 1
Most daily precipitation	1.7 inches	February 24
Most daily snow	2.9 inches	November 15
Total annual precipitation	42.6 inches	-
Total annual snow	10.5 inches	-

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

The highest temperature recorded in St. Louis, Missouri in 2018 was 100 °F which happened on July 14.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Louis in 2018

Rank	Temperature	Date
1	100 °F	Jul 14
2	99 °F	Aug 6
3	98 °F	Jul 20
3	98 °F	Jul 13
5	97 °F	Jul 10
5	97 °F	Jul 5
7	96 °F	Aug 28
7	96 °F	Aug 10
7	96 °F	Aug 3
7	96 °F	Jun 30
7	96 °F	Jun 28
7	96 °F	Jun 18
7	96 °F	Jun 17
7	96 °F	Jun 16
7	96 °F	Jun 15
7	96 °F	Jun 1
7	96 °F	May 27

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

The lowest temperature recorded in St. Louis, Missouri in 2018 was -6 °F which happened on Jan 1.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Louis in 2018

Rank	Temperature	Date
1	-6 °F	January 1
2	-1 °F	January 16
2	-1 °F	January 2
4	3 °F	January 17
4	3 °F	January 4
6	4 °F	January 6
7	5 °F	January 15
8	6 °F	February 5
9	8 °F	January 5
9	8 °F	January 3

January 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	9	-6	0.00	0.0
January 2	19	-1	0.00	0.0
January 3	27	8	0.00	0.0
January 4	18	3	0.00	0.2
January 5	20	8	0.00	0.0
January 6	21	4	0.00	0.0
January 7	39	19	0.35	0.0
January 8	37	31	0.00	0.0
January 9	38	30	0.00	0.0
January 10	59	38	0.00	0.0
January 11	65	17	0.04	0.0
January 12	18	13	0.00	0.0
January 13	23	13	0.00	0.0
January 14	27	14	0.01	0.1
January 15	29	5	0.06	0.9
January 16	11	-1	0.00	0.0
January 17	25	3	0.00	0.0
January 18	46	19	0.00	0.0
January 19	57	25	0.00	0.0
January 20	60	30	0.00	0.0
January 21	69	36	0.00	0.0
January 22	62	36	0.76	0.0
January 23	37	33	0.01	0.0
January 24	42	26	0.00	0.0
January 25	66	27	0.00	0.0
January 26	62	42	0.00	0.0
January 27	56	32	0.00	0.0
January 28	56	30	0.00	0.0
January 29	34	22	0.00	0.0
January 30	38	18	0.00	0.0
January 31	59	34	0.00	0.0

February 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	41	16	0.00	0.0
February 2	31	11	0.00	0.0
February 3	46	27	0.00	0.0
February 4	38	12	0.01	0.1
February 5	29	6	0.00	0.0
February 6	26	16	0.00	0.0
February 7	34	16	0.00	0.0
February 8	48	19	0.00	0.0
February 9	57	28	0.00	0.0
February 10	28	22	0.03	0.0
February 11	26	19	0.00	0.0
February 12	38	15	0.00	0.0
February 13	47	21	0.00	0.0
February 14	66	40	0.13	0.0
February 15	80	48	0.26	0.0
February 16	48	30	0.00	0.0
February 17	43	28	0.10	0.7
February 18	53	27	0.00	0.0
February 19	68	51	0.89	0.0
February 20	69	33	1.04	0.0
February 21	34	27	0.29	0.0
February 22	45	32	0.26	0.0
February 23	50	40	0.31	0.0
February 24	55	39	1.73	0.0
February 25	53	34	0.00	0.0
February 26	62	32	0.00	0.0
February 27	69	44	0.00	0.0
February 28	58	51	0.20	0.0

March 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	57	37	0.27	0.0
March 2	53	31	0.00	0.0
March 3	57	33	0.00	0.0
March 4	60	34	0.00	0.0
March 5	50	34	0.62	0.0
March 6	48	32	0.04	0.2
March 7	40	30	0.00	0.0
March 8	42	28	0.00	0.0
March 9	51	25	0.00	0.0
March 10	53	34	0.00	0.0
March 11	45	31	0.27	0.8
March 12	47	30	0.00	0.0
March 13	49	28	0.00	0.0
March 14	57	24	0.00	0.0
March 15	69	41	0.00	0.0
March 16	50	39	0.34	0.0
March 17	48	40	0.00	0.0
March 18	43	38	0.00	0.0
March 19	48	40	1.43	0.0
March 20	45	34	0.00	0.0
March 21	51	33	0.00	0.0
March 22	51	31	0.00	0.0
March 23	52	42	0.26	0.0
March 24	43	35	0.81	0.0
March 25	50	35	0.00	0.0
March 26	55	38	1.01	0.0
March 27	59	44	1.12	0.0
March 28	50	42	0.02	0.0
March 29	49	45	0.79	0.0
March 30	57	39	0.00	0.0
March 31	56	39	0.14	0.0

April 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	39	27	0.28	0.6
April 2	42	25	0.45	0.0
April 3	73	36	0.19	0.0
April 4	42	29	0.00	0.0
April 5	64	28	0.00	0.0
April 6	52	28	0.00	0.0
April 7	44	24	0.00	0.0
April 8	43	29	0.01	0.0
April 9	48	34	0.00	0.0
April 10	52	36	0.00	0.0
April 11	77	45	0.00	0.0
April 12	85	60	0.00	0.0
April 13	79	61	0.97	0.0
April 14	64	41	0.28	0.0
April 15	43	32	0.01	0.0
April 16	48	30	0.00	0.0
April 17	60	31	0.00	0.0
April 18	69	39	0.00	0.0
April 19	56	35	0.00	0.0
April 20	62	37	0.00	0.0
April 21	67	40	0.00	0.0
April 22	61	51	0.02	0.0
April 23	60	49	0.07	0.0
April 24	72	50	0.00	0.0
April 25	66	47	0.00	0.0
April 26	72	50	0.00	0.0
April 27	72	50	0.00	0.0
April 28	63	44	0.00	0.0
April 29	65	40	0.00	0.0
April 30	80	43	0.00	0.0

May 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	87	61	0.00
May 2	87	69	0.00
May 3	77	65	1.02
May 4	75	57	0.00
May 5	81	54	0.00
May 6	84	60	0.01
May 7	78	56	0.00
May 8	80	53	0.00
May 9	88	65	0.17
May 10	90	61	0.00
May 11	89	68	0.00
May 12	90	72	0.00
May 13	91	72	0.00
May 14	91	66	0.15
May 15	82	68	0.03
May 16	83	63	0.00
May 17	83	68	0.00
May 18	72	65	1.61
May 19	80	65	0.07
May 20	80	63	0.37
May 21	81	65	0.12
May 22	84	66	0.00
May 23	86	66	0.00
May 24	88	67	0.00
May 25	88	71	0.13
May 26	93	69	0.00
May 27	96	69	1.33
May 28	93	71	0.00
May 29	83	74	0.00
May 30	90	72	0.04
May 31	89	75	0.00

June 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	96	71	0.00
June 2	86	71	0.31
June 3	83	64	0.00
June 4	80	58	0.00
June 5	88	61	0.00
June 6	90	66	0.00
June 7	94	74	0.00
June 8	92	75	0.00
June 9	84	70	0.43
June 10	94	74	0.00
June 11	94	72	0.00
June 12	91	76	0.00
June 13	90	71	0.00
June 14	91	67	0.00
June 15	96	71	0.00
June 16	96	77	0.00
June 17	96	80	0.00
June 18	96	80	0.00
June 19	95	74	0.03
June 20	92	72	0.92
June 21	86	68	0.01
June 22	73	66	0.37
June 23	81	68	0.00
June 24	86	67	0.00
June 25	84	68	0.00
June 26	82	69	0.82
June 27	91	69	0.00
June 28	96	72	0.20
June 29	95	73	0.00
June 30	96	79	0.00

July 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	95	76	0.59
July 2	90	75	0.00
July 3	93	75	0.05
July 4	95	78	0.00
July 5	97	75	0.00
July 6	92	69	0.00
July 7	83	62	0.00
July 8	89	64	0.00
July 9	95	74	0.25
July 10	97	75	0.00
July 11	93	75	0.00
July 12	92	74	0.00
July 13	98	73	0.00
July 14	100	73	0.28
July 15	91	74	0.00
July 16	95	77	0.00
July 17	90	73	0.00
July 18	89	70	0.00
July 19	88	71	0.02
July 20	98	73	0.00
July 21	86	71	0.00
July 22	82	69	0.00
July 23	88	68	0.00
July 24	91	68	0.00
July 25	89	67	0.00
July 26	88	69	0.00
July 27	86	65	0.00
July 28	82	65	0.00
July 29	74	67	0.20
July 30	79	66	0.01
July 31	77	64	0.60

August 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	87	61	0.00
August 2	94	69	0.19
August 3	96	70	0.00
August 4	94	76	0.00
August 5	95	77	0.00
August 6	99	78	0.00
August 7	85	71	0.46
August 8	90	72	0.00
August 9	89	68	0.00
August 10	96	69	0.98
August 11	89	71	0.00
August 12	90	70	0.00
August 13	90	70	0.00
August 14	85	70	0.05
August 15	85	71	0.45
August 16	92	73	0.00
August 17	87	73	0.00
August 18	87	70	0.00
August 19	86	69	0.01
August 20	86	70	0.75
August 21	82	69	0.02
August 22	79	64	0.00
August 23	80	59	0.00
August 24	75	64	1.12
August 25	95	75	0.00
August 26	95	80	0.00
August 27	95	77	0.00
August 28	96	77	0.00
August 29	82	70	0.61
August 30	80	68	0.00
August 31	88	70	0.02

September 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	91	74	0.00
September 2	91	73	0.00
September 3	93	74	0.00
September 4	93	74	0.00
September 5	94	74	0.00
September 6	86	74	0.00
September 7	83	69	0.66
September 8	70	62	0.92
September 9	76	60	0.02
September 10	80	59	0.00
September 11	83	60	0.00
September 12	81	61	0.00
September 13	85	64	0.00
September 14	90	67	0.00
September 15	91	69	0.00
September 16	91	68	0.00
September 17	94	72	0.00
September 18	94	74	0.00
September 19	92	73	0.00
September 20	95	75	0.00
September 21	83	64	0.05
September 22	71	58	0.00
September 23	80	55	0.00
September 24	79	66	0.00
September 25	87	67	0.00
September 26	71	53	0.35
September 27	74	52	0.00
September 28	78	53	0.00
September 29	73	52	0.00
September 30	85	58	0.00

October 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	86	65	0.00
October 2	89	70	0.00
October 3	91	74	0.00
October 4	81	61	0.07
October 5	89	64	0.00
October 6	90	68	0.68
October 7	86	66	0.50
October 8	88	68	0.00
October 9	86	72	0.00
October 10	78	54	0.10
October 11	59	44	0.00
October 12	46	41	0.22
October 13	50	43	0.00
October 14	56	47	0.10
October 15	51	38	0.02
October 16	59	36	0.00
October 17	64	42	0.00
October 18	61	37	0.00
October 19	57	46	0.00
October 20	66	39	0.00
October 21	57	30	0.00
October 22	73	44	0.00
October 23	64	42	0.00
October 24	59	36	0.00
October 25	57	46	0.22
October 26	50	44	0.24
October 27	63	42	0.00
October 28	67	46	0.00
October 29	71	41	0.00
October 30	80	53	0.00
October 31	71	48	1.05

November 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	48	44	0.72	0.0
November 2	56	38	0.11	0.0
November 3	54	39	0.00	0.0
November 4	57	49	0.35	0.0
November 5	52	43	0.39	0.0
November 6	60	46	0.00	0.0
November 7	53	35	0.00	0.0
November 8	41	33	0.05	0.0
November 9	37	23	0.04	0.0
November 10	35	18	0.00	0.0
November 11	45	29	0.00	0.0
November 12	40	27	0.09	1.2
November 13	28	20	0.00	0.0
November 14	32	17	0.09	1.0
November 15	35	28	0.21	2.9
November 16	49	32	0.00	0.0
November 17	51	31	0.00	0.0
November 18	39	35	0.08	0.0
November 19	41	35	0.00	0.0
November 20	36	30	0.00	0.0
November 21	59	30	0.00	0.0
November 22	63	28	0.00	0.0
November 23	50	39	0.38	0.0
November 24	64	41	0.00	0.0
November 25	58	32	0.23	0.1
November 26	32	21	0.00	0.0
November 27	30	18	0.00	0.0
November 28	33	18	0.00	0.0
November 29	55	26	0.00	0.0
November 30	52	38	0.00	0.0

December 2018 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	67	48	0.78	0.0
December 2	56	39	0.00	0.0
December 3	39	33	0.00	0.0
December 4	36	28	0.13	1.6
December 5	45	26	0.00	0.0
December 6	40	26	0.11	0.1
December 7	30	24	0.00	0.0
December 8	31	22	0.00	0.0
December 9	36	17	0.00	0.0
December 10	40	16	0.00	0.0
December 11	54	24	0.00	0.0
December 12	55	34	0.00	0.0
December 13	49	34	0.50	0.0
December 14	48	41	0.42	0.0
December 15	50	35	0.17	0.0
December 16	59	31	0.00	0.0
December 17	52	31	0.00	0.0
December 18	51	27	0.00	0.0
December 19	58	39	0.00	0.0
December 20	48	37	0.09	0.0
December 21	37	26	0.00	0.0
December 22	54	24	0.00	0.0
December 23	45	30	0.00	0.0
December 24	51	28	0.00	0.0
December 25	50	33	0.00	0.0
December 26	53	31	0.02	0.0
December 27	59	44	0.61	0.0
December 28	51	29	0.00	0.0
December 29	33	26	0.00	0.0
December 30	44	24	0.15	0.0
December 31	48	40	1.00	0.0

Next Year >

Weather Station Details

Years	Station	Coordinates
1939–2024	St. Louis International Airport	location
1893–1938	St. Louis	location