Wilmington Weather in 1989

Historical record of Wilmington, Delaware weather for the year 1989 based on NOAA data.

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1989 Wilmington Weather Extremes
Highest temperature	96 °F	July 26
Lowest temperature	4 °F	December 23
Highest daily low	78 °F	August 5
Lowest daily high	17 °F	December 22
Most daily precipitation	6.6 inches	July 5
Most daily snow	4.3 inches	January 6
Total annual precipitation	49.8 inches	-
Total annual snow	25.3 inches	-

What was the hottest temperature in Wilmington in 1989?

The highest temperature recorded in Wilmington, Delaware in 1989 was 96 °F which happened on July 26.

Highest Temperatures: All-Time By Year

Highest Temperatures in Wilmington in 1989

Rank	Temperature	Date
1	96 °F	Jul 26
2	93 °F	Sep 10
2	93 °F	Jul 23
2	93 °F	Jul 11
2	93 °F	Jun 27
2	93 °F	Jun 1
7	92 °F	Aug 5
7	92 °F	Jul 24
7	92 °F	Jul 10
10	91 °F	Sep 11
10	91 °F	Aug 6
10	91 °F	Aug 4
10	91 °F	Jul 7
10	91 °F	Jun 26
10	91 °F	Jun 2

What was the coldest temperature in Wilmington in 1989?

The lowest temperature recorded in Wilmington, Delaware in 1989 was 4 °F which happened on Dec 23.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Wilmington in 1989

Rank	Temperature	Date
1	4 °F	December 23
2	5 °F	December 22
3	7 °F	December 24
4	8 °F	December 27
4	8 °F	December 25
6	10 °F	December 21
7	11 °F	December 19
7	11 °F	December 17
9	13 °F	December 18
9	13 °F	December 14
9	13 °F	January 5

January 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	36	33	0.16	0.9
January 2	43	31	0.00	0.0
January 3	40	28	0.09	1.3
January 4	30	14	0.02	0.2
January 5	26	13	0.00	0.0
January 6	32	22	0.46	4.3
January 7	36	28	0.00	0.0
January 8	45	36	0.08	0.0
January 9	42	32	0.01	0.0
January 10	37	31	0.00	0.0
January 11	49	29	0.00	0.0
January 12	43	34	0.60	0.0
January 13	42	25	0.00	0.0
January 14	38	19	0.10	0.0
January 15	44	34	0.61	0.0
January 16	45	29	0.00	0.0
January 17	48	27	0.00	0.0
January 18	53	25	0.00	0.0
January 19	52	32	0.00	0.0
January 20	51	25	0.00	0.0
January 21	32	20	0.00	0.0
January 22	41	17	0.00	0.0
January 23	51	24	0.00	0.0
January 24	61	24	0.00	0.0
January 25	44	34	0.00	0.0
January 26	46	38	0.07	0.0
January 27	51	31	0.02	0.0
January 28	48	25	0.00	0.0
January 29	57	33	0.00	0.0
January 30	51	42	0.26	0.0
January 31	50	34	0.00	0.0

February 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	67	35	0.00	0.0
February 2	56	39	0.00	0.0
February 3	42	27	0.50	0.0
February 4	31	20	0.00	0.0
February 5	31	25	0.02	0.1
February 6	45	28	0.00	0.0
February 7	37	24	0.00	0.0
February 8	39	22	0.00	0.0
February 9	29	15	0.00	0.0
February 10	33	15	0.00	0.0
February 11	45	21	0.00	0.0
February 12	43	23	0.00	0.0
February 13	40	20	0.12	0.0
February 14	52	38	0.29	0.0
February 15	55	45	0.29	0.0
February 16	46	31	0.00	0.0
February 17	31	22	0.00	0.0
February 18	33	26	0.00	0.0
February 19	42	24	0.00	0.0
February 20	49	30	0.04	0.0
February 21	52	39	0.83	0.0
February 22	49	37	0.36	0.0
February 23	41	30	0.00	0.0
February 24	32	21	0.01	0.1
February 25	34	14	0.00	0.0
February 26	34	30	0.29	2.7
February 27	40	27	0.00	0.0
February 28	37	25	0.00	0.0

March 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	43	26	0.00	0.0
March 2	45	26	0.00	0.0
March 3	44	29	0.00	0.0
March 4	42	37	0.00	0.0
March 5	42	35	0.08	0.0
March 6	42	24	1.03	1.2
March 7	24	18	0.00	0.0
March 8	31	16	0.00	0.0
March 9	38	23	0.00	0.0
March 10	43	25	0.00	0.0
March 11	45	22	0.00	0.0
March 12	51	28	0.00	0.0
March 13	38	20	0.00	0.0
March 14	47	35	0.00	0.0
March 15	69	42	0.00	0.0
March 16	57	39	0.00	0.0
March 17	70	36	0.00	0.0
March 18	78	41	0.38	0.0
March 19	42	28	0.00	0.0
March 20	46	26	0.32	0.0
March 21	48	36	0.06	0.0
March 22	46	26	0.00	0.0
March 23	50	27	0.01	0.0
March 24	41	37	1.32	0.0
March 25	62	38	0.00	0.0
March 26	67	44	0.00	0.0
March 27	64	39	0.00	0.0
March 28	83	50	0.00	0.0
March 29	77	61	0.07	0.0
March 30	62	43	0.25	0.0
March 31	50	42	0.17	0.0

April 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	50	35	0.00
April 2	54	29	0.00
April 3	67	45	0.12
April 4	78	49	0.00
April 5	71	51	0.41
April 6	55	43	0.23
April 7	52	35	0.37
April 8	52	36	0.01
April 9	56	43	0.06
April 10	50	35	0.00
April 11	51	32	0.00
April 12	56	29	0.00
April 13	58	33	0.00
April 14	60	32	0.00
April 15	53	46	0.75
April 16	59	43	0.00
April 17	74	37	0.00
April 18	76	53	0.06
April 19	61	43	0.14
April 20	64	37	0.00
April 21	69	44	0.00
April 22	59	39	0.00
April 23	59	33	0.00
April 24	64	33	0.00
April 25	70	40	0.00
April 26	77	47	0.00
April 27	75	48	0.00
April 28	67	48	0.00
April 29	57	53	0.61
April 30	75	52	0.00

May 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	62	52	0.54
May 2	70	49	1.68
May 3	62	47	0.02
May 4	68	41	0.00
May 5	65	54	0.56
May 6	71	51	0.92
May 7	54	43	0.00
May 8	61	44	0.00
May 9	70	45	0.02
May 10	54	48	0.90
May 11	54	47	0.02
May 12	61	44	0.00
May 13	66	46	0.00
May 14	69	53	0.08
May 15	72	55	0.00
May 16	62	56	0.44
May 17	76	56	0.01
May 18	85	58	0.00
May 19	85	55	0.00
May 20	84	56	0.00
May 21	83	62	0.00
May 22	80	57	0.00
May 23	73	58	0.88
May 24	70	59	0.11
May 25	80	51	0.01
May 26	87	63	0.00
May 27	78	58	0.38
May 28	73	51	0.00
May 29	78	48	0.00
May 30	81	57	0.00
May 31	87	67	0.00

June 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	93	70	0.00
June 2	91	69	0.19
June 3	83	65	0.00
June 4	86	66	0.00
June 5	79	64	0.66
June 6	80	66	0.19
June 7	77	65	1.00
June 8	79	63	0.00
June 9	79	66	0.78
June 10	81	65	0.00
June 11	78	55	0.00
June 12	79	54	0.00
June 13	81	67	0.00
June 14	69	63	0.05
June 15	80	66	0.20
June 16	86	69	0.14
June 17	81	67	0.05
June 18	84	63	0.00
June 19	85	62	0.00
June 20	82	68	0.20
June 21	86	70	0.37
June 22	88	73	0.08
June 23	80	73	0.50
June 24	82	71	0.99
June 25	86	69	0.00
June 26	91	71	0.00
June 27	93	74	0.00
June 28	81	71	0.03
June 29	76	61	0.00
June 30	80	57	0.00

July 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	82	59	0.00
July 2	87	63	0.00
July 3	85	70	0.00
July 4	81	71	0.24
July 5	76	69	6.63
July 6	82	71	0.26
July 7	91	71	0.00
July 8	84	66	0.00
July 9	89	63	0.00
July 10	92	71	0.00
July 11	93	78	0.00
July 12	82	71	0.00
July 13	73	64	0.91
July 14	83	62	0.00
July 15	82	62	0.00
July 16	74	66	1.62
July 17	81	63	0.00
July 18	83	65	0.00
July 19	82	65	0.00
July 20	84	70	2.28
July 21	80	70	0.00
July 22	89	69	0.00
July 23	93	74	0.00
July 24	92	73	0.00
July 25	90	72	0.00
July 26	96	72	0.32
July 27	89	72	0.01
July 28	87	66	0.00
July 29	80	59	0.00
July 30	80	62	0.14
July 31	69	64	0.22

August 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	80	65	0.00
August 2	82	65	0.00
August 3	89	69	0.00
August 4	91	71	0.00
August 5	92	78	0.00
August 6	91	75	0.00
August 7	81	63	0.00
August 8	73	53	0.00
August 9	79	54	0.00
August 10	77	59	0.00
August 11	70	62	0.35
August 12	72	64	0.33
August 13	85	72	0.18
August 14	82	68	0.00
August 15	81	71	0.00
August 16	88	69	0.00
August 17	86	70	0.00
August 18	72	67	0.20
August 19	77	66	0.89
August 20	84	67	0.00
August 21	83	73	0.00
August 22	85	66	0.00
August 23	89	73	0.00
August 24	84	66	0.00
August 25	78	61	0.00
August 26	81	59	0.00
August 27	81	64	0.00
August 28	85	68	0.00
August 29	83	72	0.00
August 30	88	67	0.02
August 31	82	61	0.00

September 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	84	64	0.00
September 2	83	61	0.00
September 3	79	56	0.00
September 4	76	54	0.00
September 5	75	59	0.00
September 6	77	57	0.00
September 7	80	57	0.00
September 8	80	58	0.00
September 9	86	63	0.00
September 10	93	69	0.00
September 11	91	71	0.00
September 12	80	66	0.00
September 13	82	68	0.00
September 14	82	69	0.04
September 15	81	68	0.00
September 16	70	63	0.91
September 17	77	61	0.00
September 18	74	59	0.00
September 19	73	59	1.81
September 20	82	72	0.53
September 21	87	74	0.00
September 22	81	74	0.05
September 23	81	47	0.01
September 24	64	41	0.00
September 25	67	42	0.15
September 26	73	54	0.81
September 27	63	43	0.00
September 28	66	40	0.00
September 29	72	49	0.00
September 30	71	55	0.00

October 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	71	52	0.12
October 2	73	64	1.27
October 3	73	48	0.00
October 4	59	42	0.00
October 5	67	44	0.00
October 6	71	52	0.05
October 7	64	43	0.07
October 8	60	38	0.00
October 9	55	38	0.00
October 10	62	36	0.05
October 11	65	44	0.00
October 12	75	42	0.00
October 13	80	49	0.00
October 14	74	54	0.00
October 15	80	56	0.00
October 16	84	59	0.00
October 17	72	63	0.52
October 18	64	45	0.13
October 19	56	46	0.67
October 20	65	37	0.74
October 21	54	38	0.00
October 22	61	41	0.00
October 23	65	36	0.00
October 24	68	37	0.00
October 25	71	38	0.00
October 26	76	45	0.00
October 27	75	45	0.00
October 28	76	51	0.00
October 29	72	49	0.00
October 30	73	48	0.00
October 31	71	59	0.30

November 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	60	42	0.00	0.0
November 2	55	39	0.02	0.0
November 3	51	35	0.14	0.0
November 4	49	30	0.00	0.0
November 5	59	33	0.00	0.0
November 6	60	48	0.00	0.0
November 7	61	40	0.00	0.0
November 8	60	50	0.60	0.0
November 9	66	44	0.39	0.0
November 10	56	41	0.00	0.0
November 11	56	36	0.00	0.0
November 12	59	42	0.00	0.0
November 13	59	39	0.00	0.0
November 14	72	46	0.00	0.0
November 15	71	59	0.11	0.0
November 16	70	39	0.23	0.0
November 17	44	34	0.00	0.0
November 18	49	28	0.00	0.0
November 19	42	25	0.00	0.0
November 20	63	40	0.00	0.0
November 21	44	27	0.00	0.0
November 22	34	22	0.18	1.9
November 23	32	20	0.20	3.7
November 24	37	21	0.00	0.0
November 25	43	21	0.00	0.0
November 26	55	41	0.00	0.0
November 27	52	35	0.12	0.0
November 28	62	44	0.00	0.0
November 29	44	25	0.00	0.0
November 30	44	23	0.00	0.0

December 1989 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	40	28	0.00	0.0
December 2	55	24	0.00	0.0
December 3	40	20	0.00	0.0
December 4	32	19	0.00	0.0
December 5	36	29	0.00	0.0
December 6	45	34	0.02	0.0
December 7	46	26	0.00	0.0
December 8	26	22	0.35	2.9
December 9	27	14	0.00	0.0
December 10	33	14	0.00	0.0
December 11	40	17	0.00	0.0
December 12	34	28	0.21	3.2
December 13	35	20	0.07	2.0
December 14	32	13	0.00	0.0
December 15	40	17	0.02	0.3
December 16	30	16	0.00	0.0
December 17	22	11	0.00	0.0
December 18	24	13	0.00	0.0
December 19	26	11	0.00	0.0
December 20	28	15	0.00	0.0
December 21	26	10	0.00	0.0
December 22	17	5	0.00	0.0
December 23	23	4	0.00	0.0
December 24	21	7	0.00	0.0
December 25	27	8	0.00	0.0
December 26	35	14	0.01	0.2
December 27	21	8	0.02	0.3
December 28	34	16	0.00	0.0
December 29	35	17	0.00	0.0
December 30	35	31	0.02	0.0
December 31	42	31	0.55	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