St. Louis Weather in 2020

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

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2020 St. Louis Weather Extremes
Highest temperature	97 °F	August 24
Lowest temperature	5 °F	February 14
Highest daily low	79 °F	August 27
Lowest daily high	23 °F	January 19
Most daily precipitation	2.3 inches	July 30
Most daily snow	2.5 inches	January 11
Total annual precipitation	50.0 inches	-
Total annual snow	8.0 inches	-

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

The highest temperature recorded in St. Louis, Missouri in 2020 was 97 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Louis in 2020

Rank	Temperature	Date
1	97 °F	Aug 24
1	97 °F	Aug 10
1	97 °F	Jul 11
4	96 °F	Jul 18
4	96 °F	Jul 9
6	95 °F	Aug 25
6	95 °F	Jul 29
6	95 °F	Jul 26
6	95 °F	Jun 26
6	95 °F	Jun 6

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

The lowest temperature recorded in St. Louis, Missouri in 2020 was 5 °F which happened on Feb 14.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Louis in 2020

Rank	Temperature	Date
1	5 °F	February 14
2	8 °F	February 13
3	10 °F	December 25
4	13 °F	January 19
5	14 °F	January 20
6	15 °F	January 21
7	16 °F	December 24
7	16 °F	February 21
9	20 °F	December 26
10	21 °F	February 20
10	21 °F	January 16

January 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	58	29	0.00	0.0
January 2	57	42	0.00	0.0
January 3	50	37	0.00	0.0
January 4	41	30	0.00	0.0
January 5	56	27	0.00	0.0
January 6	50	26	0.00	0.0
January 7	48	31	0.00	0.0
January 8	45	29	0.00	0.0
January 9	57	43	0.76	0.0
January 10	61	47	2.16	0.0
January 11	47	27	1.41	2.5
January 12	33	26	0.00	0.0
January 13	38	31	0.00	0.0
January 14	52	32	0.00	0.0
January 15	58	33	0.01	0.0
January 16	33	21	0.00	0.0
January 17	34	24	0.79	0.0
January 18	51	23	0.74	0.0
January 19	23	13	0.00	0.0
January 20	24	14	0.00	0.0
January 21	33	15	0.00	0.0
January 22	37	24	0.07	0.0
January 23	36	32	0.49	1.6
January 24	36	33	0.01	0.0
January 25	35	26	0.00	0.0
January 26	44	26	0.00	0.0
January 27	32	29	0.00	0.0
January 28	33	29	0.01	0.1
January 29	34	29	0.04	0.7
January 30	37	31	0.00	0.0
January 31	44	35	0.00	0.0

February 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	45	34	0.00	0.0
February 2	70	42	0.00	0.0
February 3	74	40	0.00	0.0
February 4	54	33	0.13	0.0
February 5	34	29	0.23	0.5
February 6	31	27	0.00	0.1
February 7	39	25	0.05	0.1
February 8	37	27	0.00	0.0
February 9	58	30	0.53	0.0
February 10	43	32	0.05	0.0
February 11	45	33	0.00	0.0
February 12	37	32	0.43	0.1
February 13	34	8	0.02	0.1
February 14	25	5	0.00	0.0
February 15	47	23	0.00	0.0
February 16	50	31	0.00	0.0
February 17	53	35	0.12	0.0
February 18	53	31	0.00	0.0
February 19	43	26	0.00	0.0
February 20	32	21	0.00	0.0
February 21	44	16	0.00	0.0
February 22	55	23	0.00	0.0
February 23	62	41	0.00	0.0
February 24	48	43	0.76	0.0
February 25	43	34	0.17	0.0
February 26	36	30	0.18	1.9
February 27	45	24	0.00	0.0
February 28	49	26	0.00	0.0
February 29	50	22	0.00	0.0

March 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	71	40	0.02
March 2	56	43	0.07
March 3	62	40	0.00
March 4	57	40	0.00
March 5	63	37	0.00
March 6	52	35	0.00
March 7	60	29	0.00
March 8	73	43	0.00
March 9	62	55	0.41
March 10	59	39	0.04
March 11	62	42	0.00
March 12	58	43	0.97
March 13	48	37	0.00
March 14	45	36	0.48
March 15	42	35	0.00
March 16	46	36	0.03
March 17	53	42	0.00
March 18	61	45	0.28
March 19	70	54	0.87
March 20	69	37	0.00
March 21	45	34	0.00
March 22	41	34	0.16
March 23	46	37	0.00
March 24	47	39	0.10
March 25	65	45	0.00
March 26	79	46	0.00
March 27	80	55	0.36
March 28	74	63	0.06
March 29	68	51	0.00
March 30	66	45	0.00
March 31	63	42	0.00

April 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	61	37	0.00
April 2	70	48	0.01
April 3	74	41	0.00
April 4	44	37	0.09
April 5	56	43	0.00
April 6	76	46	0.00
April 7	87	64	0.00
April 8	90	54	0.00
April 9	61	40	0.00
April 10	58	34	0.00
April 11	62	50	0.00
April 12	62	40	0.53
April 13	47	36	0.01
April 14	52	35	0.00
April 15	50	36	0.00
April 16	58	34	0.00
April 17	49	35	0.24
April 18	63	31	0.00
April 19	71	51	0.00
April 20	71	45	0.00
April 21	66	48	0.00
April 22	75	46	0.07
April 23	64	52	0.60
April 24	75	47	0.69
April 25	58	49	0.91
April 26	67	42	0.00
April 27	74	49	0.00
April 28	83	58	1.55
April 29	63	50	0.32
April 30	69	48	0.00

May 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	79	47	0.00
May 2	88	68	0.00
May 3	76	54	0.00
May 4	71	50	0.54
May 5	66	50	0.27
May 6	64	44	0.02
May 7	71	46	0.07
May 8	60	43	0.35
May 9	65	39	0.00
May 10	61	45	0.00
May 11	60	39	0.00
May 12	57	48	0.00
May 13	61	50	0.03
May 14	83	59	0.21
May 15	75	62	0.50
May 16	80	60	0.47
May 17	73	60	1.44
May 18	65	57	0.00
May 19	65	57	0.05
May 20	70	58	0.04
May 21	66	57	0.00
May 22	80	62	0.00
May 23	89	65	0.00
May 24	88	67	0.18
May 25	89	65	0.47
May 26	86	70	0.00
May 27	75	67	0.69
May 28	84	67	0.00
May 29	78	63	0.14
May 30	77	56	0.00
May 31	81	59	0.00

June 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	84	63	0.00
June 2	90	70	0.00
June 3	93	71	0.08
June 4	86	70	0.10
June 5	89	69	0.00
June 6	95	72	0.00
June 7	93	72	0.00
June 8	91	69	0.00
June 9	92	75	0.15
June 10	83	64	0.00
June 11	86	59	0.00
June 12	93	68	0.00
June 13	89	67	0.00
June 14	83	66	0.00
June 15	84	63	0.00
June 16	85	59	0.00
June 17	87	66	0.00
June 18	90	67	0.00
June 19	93	71	0.00
June 20	93	74	0.02
June 21	90	69	0.78
June 22	87	68	0.38
June 23	84	66	0.00
June 24	85	63	0.00
June 25	91	66	0.00
June 26	95	76	0.00
June 27	85	75	0.02
June 28	93	73	0.14
June 29	90	79	0.00
June 30	79	70	1.04

July 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	82	70	0.10
July 2	89	71	0.00
July 3	92	75	0.00
July 4	92	72	0.00
July 5	93	73	0.00
July 6	94	75	0.00
July 7	94	76	0.07
July 8	94	76	0.00
July 9	96	76	0.00
July 10	93	71	0.00
July 11	97	75	0.00
July 12	88	74	0.00
July 13	89	70	0.00
July 14	94	71	0.00
July 15	93	72	1.34
July 16	88	69	0.00
July 17	93	75	0.60
July 18	96	74	0.00
July 19	94	73	0.93
July 20	89	73	0.01
July 21	93	73	0.44
July 22	91	73	0.00
July 23	91	76	0.00
July 24	93	73	0.00
July 25	94	76	0.00
July 26	95	79	0.00
July 27	84	74	0.29
July 28	90	73	0.00
July 29	95	74	1.77
July 30	83	73	2.34
July 31	73	69	1.18

August 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	79	68	0.08
August 2	87	68	0.00
August 3	80	64	0.02
August 4	76	59	0.00
August 5	79	59	0.00
August 6	81	60	0.00
August 7	85	65	0.00
August 8	89	71	1.79
August 9	91	70	2.03
August 10	97	70	0.75
August 11	84	70	0.00
August 12	85	74	0.03
August 13	87	74	0.00
August 14	90	74	0.00
August 15	91	73	0.01
August 16	86	65	0.00
August 17	90	69	0.00
August 18	84	68	0.00
August 19	81	63	0.00
August 20	83	62	0.00
August 21	85	63	0.00
August 22	90	66	0.00
August 23	93	73	0.00
August 24	97	73	0.00
August 25	95	76	0.00
August 26	92	74	0.00
August 27	87	79	0.00
August 28	89	77	0.00
August 29	84	67	0.00
August 30	85	59	0.00
August 31	83	70	0.00

September 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	76	70	0.44
September 2	81	70	0.00
September 3	90	68	0.02
September 4	83	59	0.00
September 5	88	62	0.00
September 6	92	71	0.00
September 7	92	75	0.00
September 8	91	71	0.02
September 9	85	67	0.00
September 10	82	71	0.00
September 11	87	70	0.00
September 12	79	67	0.02
September 13	78	62	0.00
September 14	83	61	0.00
September 15	80	59	0.00
September 16	83	58	0.00
September 17	80	63	0.00
September 18	73	55	0.00
September 19	72	47	0.00
September 20	76	48	0.00
September 21	79	50	0.00
September 22	77	56	0.00
September 23	74	62	0.00
September 24	76	57	0.00
September 25	82	56	0.00
September 26	86	64	0.00
September 27	81	57	0.20
September 28	69	52	0.20
September 29	66	49	0.00
September 30	82	53	0.00

October 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	68	47	0.00
October 2	62	44	0.00
October 3	58	44	0.06
October 4	60	41	0.00
October 5	67	38	0.00
October 6	80	51	0.00
October 7	89	61	0.00
October 8	85	59	0.00
October 9	86	60	0.00
October 10	80	61	0.00
October 11	85	61	0.00
October 12	75	50	0.00
October 13	81	46	0.00
October 14	87	49	0.00
October 15	71	40	0.00
October 16	65	36	0.00
October 17	71	47	0.00
October 18	67	43	1.07
October 19	51	42	0.32
October 20	59	45	0.27
October 21	60	50	0.30
October 22	86	60	0.00
October 23	70	44	0.18
October 24	50	42	0.00
October 25	51	46	0.00
October 26	46	37	0.62
October 27	42	36	0.07
October 28	50	41	0.49
October 29	49	37	0.29
October 30	56	33	0.00
October 31	65	39	0.00

November 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	56	32	0.00
November 2	60	27	0.00
November 3	77	38	0.00
November 4	80	55	0.00
November 5	75	52	0.00
November 6	76	49	0.00
November 7	76	47	0.00
November 8	76	57	0.00
November 9	78	62	0.00
November 10	76	44	0.23
November 11	53	34	0.00
November 12	59	34	0.00
November 13	49	33	0.00
November 14	59	38	1.43
November 15	59	40	0.00
November 16	66	37	0.00
November 17	49	36	0.00
November 18	58	36	0.00
November 19	75	52	0.00
November 20	71	50	0.10
November 21	51	43	0.94
November 22	50	42	0.16
November 23	47	33	0.03
November 24	57	43	0.50
November 25	56	46	0.44
November 26	53	39	0.00
November 27	54	33	0.00
November 28	56	31	0.00
November 29	54	36	0.01
November 30	37	27	0.00

December 2020 St. Louis Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	42	22	0.00	0.0
December 2	49	22	0.00	0.0
December 3	48	32	0.00	0.0
December 4	52	36	0.00	0.0
December 5	55	31	0.00	0.0
December 6	45	29	0.00	0.0
December 7	41	33	0.00	0.0
December 8	49	37	0.00	0.0
December 9	68	40	0.00	0.0
December 10	66	36	0.00	0.0
December 11	61	43	0.67	0.0
December 12	57	37	0.29	0.0
December 13	39	35	0.00	0.0
December 14	38	26	0.00	0.0
December 15	35	23	0.00	0.0
December 16	36	24	0.01	0.3
December 17	37	22	0.00	0.0
December 18	44	25	0.00	0.0
December 19	54	36	0.00	0.0
December 20	51	27	0.00	0.0
December 21	59	39	0.00	0.0
December 22	54	28	0.00	0.0
December 23	64	26	0.30	0.0
December 24	27	16	0.00	0.0
December 25	27	10	0.00	0.0
December 26	47	20	0.00	0.0
December 27	59	32	0.00	0.0
December 28	40	26	0.00	0.0
December 29	43	25	0.00	0.0
December 30	47	30	0.32	0.0
December 31	35	25	0.01	0.0

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Weather Station Details

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