Wilmington Weather in 1973

Historical record of Wilmington, Delaware weather for the year 1973 based on NOAA data.

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1973 Wilmington Weather Extremes
Highest temperature	100 °F	August 28
Lowest temperature	10 °F	February 17
Highest daily low	77 °F	August 28
Lowest daily high	24 °F	December 18
Most daily precipitation	2.2 inches	June 29
Most daily snow	3.3 inches	December 16
Total annual precipitation	47.1 inches	-
Total annual snow	7.3 inches	-

What was the hottest temperature in Wilmington in 1973?

The highest temperature recorded in Wilmington, Delaware in 1973 was 100 °F which happened on August 28.

Highest Temperatures: All-Time By Year

Highest Temperatures in Wilmington in 1973

Rank	Temperature	Date
1	100 °F	Aug 28
2	97 °F	Aug 30
3	96 °F	Aug 31
3	96 °F	Aug 29
5	95 °F	Sep 3
5	95 °F	Sep 2
5	95 °F	Jun 11
8	94 °F	Jul 14
8	94 °F	Jul 9
10	93 °F	Sep 1
10	93 °F	Jul 10
10	93 °F	Jul 8
10	93 °F	Jun 12
10	93 °F	Jun 9

What was the coldest temperature in Wilmington in 1973?

The lowest temperature recorded in Wilmington, Delaware in 1973 was 10 °F which happened on Feb 17.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Wilmington in 1973

Rank	Temperature	Date
1	10 °F	February 17
2	11 °F	December 19
2	11 °F	February 18
4	13 °F	December 18
4	13 °F	February 16
4	13 °F	February 12
4	13 °F	January 9
8	14 °F	February 13
9	16 °F	January 11
9	16 °F	January 10
9	16 °F	January 8

January 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	65	41	0.00
January 2	45	31	0.00
January 3	40	27	0.11
January 4	45	36	0.48
January 5	44	37	0.00
January 6	37	22	0.00
January 7	26	17	0.00
January 8	24	16	0.00
January 9	30	13	0.00
January 10	33	16	0.00
January 11	37	16	0.00
January 12	33	17	0.00
January 13	37	17	0.00
January 14	43	17	0.00
January 15	45	29	0.00
January 16	50	28	0.00
January 17	58	29	0.00
January 18	56	30	0.00
January 19	62	33	0.34
January 20	47	29	0.00
January 21	45	24	0.00
January 22	61	30	0.22
January 23	57	41	0.00
January 24	44	33	0.00
January 25	49	29	0.00
January 26	57	32	0.00
January 27	45	39	1.20
January 28	47	42	0.75
January 29	45	22	0.71
January 30	32	17	0.00
January 31	38	22	0.00

February 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	45	26	0.00	0.0
February 2	61	44	2.01	0.0
February 3	52	38	0.00	0.0
February 4	51	36	0.00	0.0
February 5	58	34	0.00	0.0
February 6	46	37	0.18	0.0
February 7	47	35	0.08	0.0
February 8	45	33	0.36	0.0
February 9	35	21	0.00	0.0
February 10	30	21	0.00	0.0
February 11	32	17	0.00	0.0
February 12	38	13	0.00	0.0
February 13	45	14	0.00	0.0
February 14	49	22	0.56	0.0
February 15	53	39	0.01	0.0
February 16	43	13	0.03	0.1
February 17	26	10	0.00	0.0
February 18	35	11	0.00	0.0
February 19	43	19	0.00	0.0
February 20	52	31	0.00	0.0
February 21	52	35	0.14	0.7
February 22	41	29	0.05	0.4
February 23	39	28	0.00	0.0
February 24	42	27	0.00	0.0
February 25	44	24	0.00	0.0
February 26	52	38	0.00	0.0
February 27	40	28	0.00	0.0
February 28	47	21	0.00	0.0

March 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	55	29	0.00
March 2	62	32	0.00
March 3	48	40	0.69
March 4	62	43	0.04
March 5	59	40	0.01
March 6	46	41	0.02
March 7	52	43	0.03
March 8	63	47	0.17
March 9	69	42	0.00
March 10	62	43	0.00
March 11	52	44	0.06
March 12	72	50	0.01
March 13	64	46	0.00
March 14	65	45	0.00
March 15	63	46	0.00
March 16	69	53	0.37
March 17	74	41	0.27
March 18	43	37	0.00
March 19	48	38	0.00
March 20	52	36	0.00
March 21	45	32	0.00
March 22	46	35	0.00
March 23	58	33	0.00
March 24	65	31	0.00
March 25	58	34	0.68
March 26	58	47	1.33
March 27	63	42	0.01
March 28	58	35	0.00
March 29	56	39	0.00
March 30	56	44	0.10
March 31	62	48	0.23

April 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	66	54	0.95
April 2	60	51	0.11
April 3	62	46	0.00
April 4	55	43	1.00
April 5	58	42	0.00
April 6	66	40	0.00
April 7	67	42	0.16
April 8	51	39	0.92
April 9	57	35	0.00
April 10	57	40	0.34
April 11	49	36	0.00
April 12	48	34	0.00
April 13	52	31	0.00
April 14	57	32	0.00
April 15	64	37	0.00
April 16	73	40	0.00
April 17	72	57	0.00
April 18	78	58	0.01
April 19	80	56	0.00
April 20	69	49	0.00
April 21	66	48	0.00
April 22	85	54	0.00
April 23	86	60	0.49
April 24	76	53	0.00
April 25	60	52	0.73
April 26	57	50	1.02
April 27	59	49	0.62
April 28	55	49	0.22
April 29	64	45	0.00
April 30	66	44	0.00

May 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	73	54	0.00
May 2	81	60	0.00
May 3	73	56	0.23
May 4	60	49	0.00
May 5	62	45	0.00
May 6	70	47	0.00
May 7	74	46	0.00
May 8	60	53	0.16
May 9	77	60	1.19
May 10	82	55	0.00
May 11	79	56	0.00
May 12	75	51	0.05
May 13	72	48	0.00
May 14	69	53	0.00
May 15	62	49	0.08
May 16	67	42	0.00
May 17	74	45	0.38
May 18	60	41	0.00
May 19	72	42	0.00
May 20	62	57	0.91
May 21	68	56	0.00
May 22	79	54	0.00
May 23	65	57	0.29
May 24	64	53	0.25
May 25	57	54	0.13
May 26	61	53	0.06
May 27	58	51	0.61
May 28	82	56	0.63
May 29	82	67	0.00
May 30	82	58	0.59
May 31	77	60	0.00

June 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	81	56	0.00
June 2	81	60	0.01
June 3	80	63	0.02
June 4	90	65	0.27
June 5	90	68	0.04
June 6	88	71	0.10
June 7	85	73	0.00
June 8	86	67	0.00
June 9	93	75	0.00
June 10	92	74	0.00
June 11	95	74	0.00
June 12	93	71	0.27
June 13	87	71	0.01
June 14	83	64	0.00
June 15	84	57	0.00
June 16	81	66	1.43
June 17	74	61	0.00
June 18	70	61	0.07
June 19	73	65	0.06
June 20	85	69	0.01
June 21	87	72	0.11
June 22	76	69	0.58
June 23	81	69	0.00
June 24	81	69	0.00
June 25	83	69	0.00
June 26	81	67	0.00
June 27	87	71	0.00
June 28	86	73	0.00
June 29	77	71	2.21
June 30	87	70	0.00

July 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	86	68	0.00
July 2	83	74	0.00
July 3	86	74	1.17
July 4	90	74	0.00
July 5	89	72	0.04
July 6	85	67	0.00
July 7	90	66	0.00
July 8	93	72	0.00
July 9	94	75	0.00
July 10	93	76	0.00
July 11	85	66	0.31
July 12	78	57	0.00
July 13	87	61	0.00
July 14	94	75	0.00
July 15	83	70	1.07
July 16	87	66	0.00
July 17	80	67	0.00
July 18	87	66	0.00
July 19	89	69	0.00
July 20	89	73	0.15
July 21	85	72	0.08
July 22	81	70	0.00
July 23	86	69	0.00
July 24	84	64	0.00
July 25	84	65	0.00
July 26	86	73	0.00
July 27	90	76	0.00
July 28	86	73	0.00
July 29	86	70	0.00
July 30	86	65	0.00
July 31	87	68	0.00

August 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	82	72	1.15
August 2	85	76	0.55
August 3	85	74	0.28
August 4	88	70	0.00
August 5	86	67	0.00
August 6	88	68	0.00
August 7	87	69	0.00
August 8	87	70	0.00
August 9	89	72	0.00
August 10	91	72	0.00
August 11	88	75	0.00
August 12	90	72	0.00
August 13	87	70	0.00
August 14	78	73	0.24
August 15	87	73	0.00
August 16	81	72	0.00
August 17	84	68	0.00
August 18	79	71	0.00
August 19	84	65	0.00
August 20	78	69	0.00
August 21	76	66	0.08
August 22	78	65	0.14
August 23	77	56	0.00
August 24	81	58	0.00
August 25	83	66	0.00
August 26	89	67	0.00
August 27	91	73	0.00
August 28	100	77	0.00
August 29	96	72	0.00
August 30	97	76	0.00
August 31	96	75	0.00

September 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	93	71	0.00
September 2	95	73	0.03
September 3	95	73	0.03
September 4	91	69	0.00
September 5	88	73	0.00
September 6	88	70	0.04
September 7	86	65	0.00
September 8	83	57	0.00
September 9	79	56	0.02
September 10	76	51	0.00
September 11	83	53	0.00
September 12	80	61	0.00
September 13	77	55	0.00
September 14	73	63	2.08
September 15	78	61	0.00
September 16	82	58	0.00
September 17	71	58	0.00
September 18	78	58	0.10
September 19	71	50	0.00
September 20	76	51	0.00
September 21	62	53	0.00
September 22	80	58	0.00
September 23	83	64	0.14
September 24	82	57	0.00
September 25	71	61	0.00
September 26	76	54	0.00
September 27	80	57	0.00
September 28	80	66	0.01
September 29	81	63	0.57
September 30	72	54	0.00

October 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	74	49	0.00
October 2	77	64	0.70
October 3	79	65	0.00
October 4	83	62	0.00
October 5	82	53	0.00
October 6	74	50	0.00
October 7	72	48	0.00
October 8	74	59	0.00
October 9	73	59	0.00
October 10	76	58	0.00
October 11	66	53	0.00
October 12	70	48	0.00
October 13	74	49	0.00
October 14	74	54	0.00
October 15	77	50	0.01
October 16	67	46	0.04
October 17	61	40	0.00
October 18	63	38	0.00
October 19	61	39	0.00
October 20	71	50	0.00
October 21	63	42	0.00
October 22	69	40	0.00
October 23	68	41	0.00
October 24	74	44	0.00
October 25	70	44	0.00
October 26	77	53	0.00
October 27	69	49	0.00
October 28	66	49	0.00
October 29	67	51	1.37
October 30	52	41	0.07
October 31	62	39	0.03

November 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	63	48	0.03
November 2	75	46	0.00
November 3	63	47	0.00
November 4	57	38	0.00
November 5	48	40	0.18
November 6	47	36	0.00
November 7	49	34	0.00
November 8	57	32	0.07
November 9	49	33	0.06
November 10	42	28	0.00
November 11	48	24	0.00
November 12	53	30	0.00
November 13	65	42	0.00
November 14	74	45	0.00
November 15	78	49	0.00
November 16	69	43	0.01
November 17	49	33	0.00
November 18	50	30	0.00
November 19	61	42	0.01
November 20	50	38	0.00
November 21	55	40	0.01
November 22	64	43	0.00
November 23	65	38	0.00
November 24	59	50	0.00
November 25	74	49	0.04
November 26	52	47	0.02
November 27	56	48	0.09
November 28	68	51	0.15
November 29	51	37	0.00
November 30	57	34	0.00

December 1973 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	48	30	0.00	0.0
December 2	41	23	0.00	0.0
December 3	56	27	0.00	0.0
December 4	60	32	0.00	0.0
December 5	62	52	1.61	0.0
December 6	62	35	0.00	0.0
December 7	47	30	0.00	0.0
December 8	42	35	0.14	0.0
December 9	54	39	0.88	0.0
December 10	48	32	0.00	0.0
December 11	38	30	0.00	0.0
December 12	38	25	0.00	0.0
December 13	49	25	0.58	0.0
December 14	49	34	0.00	0.0
December 15	38	31	0.00	0.0
December 16	33	27	0.62	3.3
December 17	28	17	0.38	2.2
December 18	24	13	0.00	0.0
December 19	29	11	0.00	0.0
December 20	53	29	0.79	0.0
December 21	55	26	1.03	0.6
December 22	33	22	0.00	0.0
December 23	43	27	0.00	0.0
December 24	36	25	0.00	0.0
December 25	44	29	0.00	0.0
December 26	64	37	0.81	0.0
December 27	65	43	0.00	0.0
December 28	50	32	0.00	0.0
December 29	47	32	0.03	0.0
December 30	47	32	0.03	0.0
December 31	38	32	0.41	0.0

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Weather Station Details

Years	Station	Coordinates
1948–2024	New Castle Airport	location
1932–1947	Wilmington Porter Research	location
1894–1931	Wilmington City Hall	location