Waterloo Weather in 2020

Historical record of Waterloo, Iowa weather for the year 2020 based on NOAA data.

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2020 Waterloo Weather Extremes
Highest temperature	96 °F	June 2
Lowest temperature	-14 °F	February 14
Highest daily low	76 °F	July 18
Lowest daily high	6 °F	January 16
Most daily precipitation	2.9 inches	October 22
Most daily snow	4.8 inches	December 29
Total annual precipitation	35.8 inches	-
Total annual snow	30.2 inches	-

What was the hottest temperature in Waterloo in 2020?

The highest temperature recorded in Waterloo, Iowa in 2020 was 96 °F which happened on June 2.

Highest Temperatures: All-Time By Year

Highest Temperatures in Waterloo in 2020

Rank	Temperature	Date
1	96 °F	Jun 2
2	95 °F	Aug 27
2	95 °F	Aug 26
2	95 °F	Jul 8
5	94 °F	Jul 25
6	93 °F	Aug 25
6	93 °F	Aug 23
6	93 °F	Aug 8
6	93 °F	Jul 18
6	93 °F	Jul 7
6	93 °F	Jul 6
6	93 °F	Jul 5
6	93 °F	Jun 4

What was the coldest temperature in Waterloo in 2020?

The lowest temperature recorded in Waterloo, Iowa in 2020 was -14 °F which happened on Feb 14.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Waterloo in 2020

Rank	Temperature	Date
1	-14 °F	February 14
2	-10 °F	January 21
3	-8 °F	February 13
4	-6 °F	January 20
4	-6 °F	January 16
6	-5 °F	February 20
7	-3 °F	January 17
8	-2 °F	December 25
8	-2 °F	January 19
10	-1 °F	January 18

January 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	44	16	0.00	0.0
January 2	47	32	0.00	0.0
January 3	38	30	0.14	1.5
January 4	33	23	0.00	0.1
January 5	42	26	0.00	0.0
January 6	40	19	0.00	0.0
January 7	34	15	0.00	0.0
January 8	24	8	0.00	0.0
January 9	56	24	0.00	0.0
January 10	29	21	0.11	1.7
January 11	23	9	0.00	0.0
January 12	27	8	0.18	2.2
January 13	34	25	0.18	1.1
January 14	35	6	0.00	0.0
January 15	27	2	0.01	0.0
January 16	6	-6	0.00	0.0
January 17	29	-3	0.35	3.4
January 18	32	-1	0.02	0.2
January 19	8	-2	0.01	0.3
January 20	15	-6	0.02	0.4
January 21	23	-10	0.00	0.0
January 22	32	23	0.18	1.8
January 23	33	31	0.01	0.0
January 24	34	31	0.06	1.0
January 25	34	27	0.00	0.0
January 26	30	26	0.02	0.0
January 27	30	24	0.00	0.0
January 28	24	19	0.00	0.0
January 29	26	19	0.00	0.0
January 30	28	22	0.00	0.0
January 31	34	25	0.09	0.8

February 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	39	33	0.00	0.0
February 2	48	28	0.00	0.0
February 3	37	19	0.00	0.0
February 4	30	16	0.00	0.0
February 5	27	13	0.00	0.0
February 6	33	4	0.00	0.0
February 7	28	16	0.01	0.4
February 8	21	2	0.00	0.0
February 9	35	16	0.04	0.5
February 10	28	4	0.00	0.0
February 11	30	12	0.00	0.0
February 12	36	11	0.05	0.6
February 13	11	-8	0.00	0.0
February 14	14	-14	0.00	0.0
February 15	38	14	0.00	0.0
February 16	36	14	0.00	0.0
February 17	35	28	0.30	0.0
February 18	30	11	0.00	0.0
February 19	17	4	0.00	0.0
February 20	19	-5	0.00	0.0
February 21	39	10	0.00	0.0
February 22	44	26	0.00	0.0
February 23	51	24	0.00	0.0
February 24	40	26	0.00	0.0
February 25	37	30	0.00	0.0
February 26	32	23	0.00	0.0
February 27	30	21	0.00	0.0
February 28	29	17	0.00	0.1
February 29	44	13	0.00	0.0

March 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	54	34	0.00	0.0
March 2	39	30	0.00	0.0
March 3	50	32	0.05	0.0
March 4	48	29	0.06	0.3
March 5	46	34	0.01	0.0
March 6	46	26	0.00	0.0
March 7	63	32	0.00	0.0
March 8	71	43	0.00	0.0
March 9	57	34	0.41	0.0
March 10	52	29	0.14	0.0
March 11	49	39	0.00	0.0
March 12	56	35	0.05	0.0
March 13	47	30	0.00	0.0
March 14	34	22	0.13	1.6
March 15	42	19	0.00	0.0
March 16	42	33	0.01	0.0
March 17	48	25	0.03	0.0
March 18	46	39	0.67	0.0
March 19	49	37	0.87	0.0
March 20	37	27	0.08	0.3
March 21	40	25	0.00	0.0
March 22	42	32	0.00	0.0
March 23	47	33	0.00	0.0
March 24	48	38	0.00	0.0
March 25	50	36	0.06	0.0
March 26	53	37	0.00	0.0
March 27	58	35	0.03	0.0
March 28	64	45	0.36	0.0
March 29	52	35	0.04	0.0
March 30	63	26	0.00	0.0
March 31	57	32	0.00	0.0

April 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	57	34	0.12	0.0
April 2	66	46	0.01	0.0
April 3	57	29	0.07	0.0
April 4	52	28	0.00	0.0
April 5	62	23	0.00	0.0
April 6	61	46	0.01	0.0
April 7	80	50	0.00	0.0
April 8	62	39	0.01	0.0
April 9	46	31	0.00	0.0
April 10	53	26	0.00	0.0
April 11	62	41	0.02	0.0
April 12	49	31	0.89	0.3
April 13	42	26	0.00	0.0
April 14	38	25	0.00	0.0
April 15	40	19	0.00	0.0
April 16	46	19	0.00	0.0
April 17	53	33	0.00	0.0
April 18	67	34	0.00	0.0
April 19	59	32	0.00	0.0
April 20	67	27	0.00	0.0
April 21	58	33	0.00	0.0
April 22	81	36	0.07	0.0
April 23	68	43	0.00	0.0
April 24	64	46	0.02	0.0
April 25	70	41	0.00	0.0
April 26	71	35	0.00	0.0
April 27	81	46	0.00	0.0
April 28	72	46	0.04	0.0
April 29	62	43	0.00	0.0
April 30	73	41	0.00	0.0

May 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	80	36	0.00
May 2	76	51	0.00
May 3	81	38	0.00
May 4	61	41	0.00
May 5	50	41	0.54
May 6	65	42	0.00
May 7	65	43	0.00
May 8	55	32	0.00
May 9	70	25	0.00
May 10	52	40	0.01
May 11	58	34	0.00
May 12	63	31	0.00
May 13	63	38	0.65
May 14	73	54	1.11
May 15	74	51	0.00
May 16	76	46	0.01
May 17	60	53	1.44
May 18	59	52	0.01
May 19	67	52	0.00
May 20	66	57	0.00
May 21	64	59	0.00
May 22	71	58	0.02
May 23	76	60	0.30
May 24	84	57	0.03
May 25	86	65	0.09
May 26	86	64	0.15
May 27	82	66	0.01
May 28	77	61	1.10
May 29	71	52	0.00
May 30	74	47	0.00
May 31	78	47	0.00

June 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	88	63	0.02
June 2	96	72	0.00
June 3	91	66	0.00
June 4	93	65	0.38
June 5	87	67	0.13
June 6	84	62	0.07
June 7	89	65	0.00
June 8	92	71	0.00
June 9	78	67	2.31
June 10	74	59	0.07
June 11	84	57	0.00
June 12	87	53	0.00
June 13	75	57	0.00
June 14	79	56	0.00
June 15	83	60	0.00
June 16	86	65	0.00
June 17	87	58	0.00
June 18	88	65	0.00
June 19	80	69	1.87
June 20	80	64	0.57
June 21	87	61	1.37
June 22	68	60	1.80
June 23	77	59	0.00
June 24	81	55	0.04
June 25	86	58	0.00
June 26	85	68	0.71
June 27	89	66	0.00
June 28	89	67	0.00
June 29	90	76	0.00
June 30	87	74	0.00

July 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	83	69	0.02
July 2	91	70	0.00
July 3	91	68	0.00
July 4	92	67	0.00
July 5	93	68	0.00
July 6	93	69	0.00
July 7	93	72	0.00
July 8	95	73	0.00
July 9	91	68	2.19
July 10	88	66	0.00
July 11	90	65	0.38
July 12	86	64	0.00
July 13	88	62	0.00
July 14	89	68	0.02
July 15	77	61	0.00
July 16	84	56	0.00
July 17	90	64	0.00
July 18	93	76	0.00
July 19	86	69	0.00
July 20	80	65	0.00
July 21	83	64	0.44
July 22	80	62	0.00
July 23	84	59	0.00
July 24	90	70	0.00
July 25	94	75	0.00
July 26	89	75	0.00
July 27	86	65	0.00
July 28	90	60	0.00
July 29	91	69	0.00
July 30	85	67	0.00
July 31	85	61	0.00

August 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	86	59	0.00
August 2	80	62	0.00
August 3	75	52	0.00
August 4	79	50	0.00
August 5	80	50	0.00
August 6	83	61	0.00
August 7	89	66	0.00
August 8	93	69	0.00
August 9	89	70	0.31
August 10	83	59	0.18
August 11	83	54	0.00
August 12	85	57	0.00
August 13	88	67	0.00
August 14	88	66	0.00
August 15	83	60	0.05
August 16	91	56	0.00
August 17	85	57	0.00
August 18	82	53	0.00
August 19	84	51	0.00
August 20	87	62	0.00
August 21	88	58	0.00
August 22	84	66	0.72
August 23	93	62	0.00
August 24	92	66	0.00
August 25	93	68	0.00
August 26	95	70	0.00
August 27	95	71	0.00
August 28	92	71	0.02
August 29	81	54	0.00
August 30	81	49	0.00
August 31	79	52	0.05

September 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	76	45	0.00
September 2	89	59	0.00
September 3	78	50	0.00
September 4	82	44	0.00
September 5	85	57	0.00
September 6	91	62	1.28
September 7	69	53	0.00
September 8	54	47	0.86
September 9	51	47	0.92
September 10	53	47	0.70
September 11	61	52	1.28
September 12	67	55	0.08
September 13	77	48	0.00
September 14	78	50	0.00
September 15	83	56	0.00
September 16	76	50	0.00
September 17	70	47	0.00
September 18	67	41	0.00
September 19	69	43	0.00
September 20	73	50	0.00
September 21	79	48	0.00
September 22	81	51	0.00
September 23	80	48	0.00
September 24	80	58	0.00
September 25	85	61	0.00
September 26	83	65	0.00
September 27	70	52	0.01
September 28	61	47	0.01
September 29	65	45	0.00
September 30	68	48	0.03

October 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	59	39	0.00	0.0
October 2	58	32	0.00	0.0
October 3	55	36	0.00	0.0
October 4	59	30	0.00	0.0
October 5	70	42	0.00	0.0
October 6	81	43	0.00	0.0
October 7	79	46	0.00	0.0
October 8	74	39	0.00	0.0
October 9	86	57	0.00	0.0
October 10	78	51	0.00	0.0
October 11	80	50	0.00	0.0
October 12	70	45	0.01	0.0
October 13	67	35	0.00	0.0
October 14	69	37	0.00	0.0
October 15	54	36	0.00	0.0
October 16	52	34	0.00	0.0
October 17	66	43	0.00	0.0
October 18	45	34	0.00	0.0
October 19	36	33	0.00	0.0
October 20	45	35	0.06	0.0
October 21	49	35	0.01	0.0
October 22	45	38	2.94	0.0
October 23	43	33	0.05	0.0
October 24	41	23	0.00	0.0
October 25	36	27	0.00	0.1
October 26	36	23	0.00	0.0
October 27	40	24	0.00	0.0
October 28	56	28	0.00	0.0
October 29	44	30	0.00	0.0
October 30	48	33	0.00	0.0
October 31	67	36	0.00	0.0

November 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	42	18	0.00	0.0
November 2	61	18	0.00	0.0
November 3	75	28	0.00	0.0
November 4	71	40	0.00	0.0
November 5	76	35	0.00	0.0
November 6	74	36	0.00	0.0
November 7	72	54	0.00	0.0
November 8	74	53	0.00	0.0
November 9	70	41	0.01	0.0
November 10	46	30	0.97	0.0
November 11	48	26	0.00	0.0
November 12	50	23	0.00	0.0
November 13	40	16	0.00	0.0
November 14	50	30	0.00	0.0
November 15	44	28	0.00	0.0
November 16	53	23	0.00	0.0
November 17	40	20	0.00	0.0
November 18	58	33	0.00	0.0
November 19	69	47	0.00	0.0
November 20	49	27	0.00	0.0
November 21	43	20	0.00	0.0
November 22	50	23	0.00	0.0
November 23	40	20	0.00	0.0
November 24	41	33	0.38	1.3
November 25	40	37	0.00	0.0
November 26	47	32	0.00	0.0
November 27	41	23	0.00	0.0
November 28	56	23	0.00	0.0
November 29	40	27	0.00	0.0
November 30	33	12	0.00	0.0

December 2020 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	39	9	0.00	0.0
December 2	47	10	0.00	0.0
December 3	45	22	0.00	0.0
December 4	49	21	0.00	0.0
December 5	47	17	0.00	0.0
December 6	43	24	0.00	0.0
December 7	33	31	0.00	0.0
December 8	41	31	0.00	0.0
December 9	55	23	0.00	0.0
December 10	60	22	0.00	0.0
December 11	39	33	0.29	0.5
December 12	35	19	0.23	2.7
December 13	28	12	0.00	0.0
December 14	27	13	0.00	0.0
December 15	24	13	0.00	0.0
December 16	31	9	0.00	0.0
December 17	29	13	0.00	0.0
December 18	38	27	0.00	0.0
December 19	34	20	0.00	0.0
December 20	37	21	0.00	0.0
December 21	45	25	0.00	0.0
December 22	45	20	0.00	0.0
December 23	50	8	0.06	1.1
December 24	11	1	0.00	0.0
December 25	25	-2	0.00	0.0
December 26	33	10	0.00	0.0
December 27	29	22	0.07	1.1
December 28	29	8	0.00	0.0
December 29	30	9	0.36	4.8
December 30	31	22	0.00	0.0
December 31	25	11	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1950–2024	Waterloo Municipal Airport	location
1895–1950	Waterloo	location