Wilmington Weather in 2018

Historical record of Wilmington, Delaware weather for the year 2018 based on NOAA data.

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2018 Wilmington Weather Extremes
Highest temperature	97 °F	June 30
Lowest temperature	2 °F	January 7
Highest daily low	77 °F	July 5
Lowest daily high	16 °F	January 6
Most daily precipitation	2.5 inches	November 24
Most daily snow	6.7 inches	March 21
Total annual precipitation	61.4 inches	-
Total annual snow	23.2 inches	-

What was the hottest temperature in Wilmington in 2018?

The highest temperature recorded in Wilmington, Delaware in 2018 was 97 °F which happened on June 30.

Highest Temperatures: All-Time By Year

Highest Temperatures in Wilmington in 2018

Rank	Temperature	Date
1	97 °F	Jun 30
2	95 °F	Sep 4
2	95 °F	Jul 16
2	95 °F	Jul 10
2	95 °F	Jul 3
2	95 °F	Jul 2
7	94 °F	Aug 29
7	94 °F	Jul 17
7	94 °F	Jul 1
10	93 °F	Sep 6
10	93 °F	Sep 5
10	93 °F	Aug 28
10	93 °F	Jun 29

What was the coldest temperature in Wilmington in 2018?

The lowest temperature recorded in Wilmington, Delaware in 2018 was 2 °F which happened on Jan 7.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Wilmington in 2018

Rank	Temperature	Date
1	2 °F	January 7
2	5 °F	January 1
3	7 °F	January 6
4	8 °F	January 3
5	10 °F	January 5
6	11 °F	January 2
7	13 °F	January 14
7	13 °F	January 8
9	14 °F	February 3
9	14 °F	January 18

January 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	21	5	0.00	0.0
January 2	25	11	0.00	0.0
January 3	31	8	0.00	0.0
January 4	28	15	0.20	2.6
January 5	17	10	0.00	0.0
January 6	16	7	0.00	0.0
January 7	19	2	0.00	0.0
January 8	33	13	0.07	0.0
January 9	46	21	0.00	0.0
January 10	42	23	0.00	0.0
January 11	56	38	0.00	0.0
January 12	62	47	1.25	0.0
January 13	57	19	0.06	0.0
January 14	26	13	0.00	0.0
January 15	32	16	0.00	0.0
January 16	42	29	0.00	0.0
January 17	36	18	0.12	0.8
January 18	36	14	0.00	0.0
January 19	47	20	0.00	0.0
January 20	57	25	0.00	0.0
January 21	53	26	0.00	0.0
January 22	60	39	0.00	0.0
January 23	63	40	0.42	0.0
January 24	45	33	0.00	0.0
January 25	37	25	0.00	0.0
January 26	39	20	0.00	0.0
January 27	59	23	0.00	0.0
January 28	56	45	0.29	0.0
January 29	46	38	0.00	0.0
January 30	39	22	0.03	0.1
January 31	33	15	0.00	0.0

February 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	47	32	0.03	0.0
February 2	39	18	0.13	0.0
February 3	31	14	0.00	0.0
February 4	36	29	0.83	0.0
February 5	36	23	0.00	0.0
February 6	38	22	0.00	0.0
February 7	43	23	0.79	0.0
February 8	34	22	0.00	0.0
February 9	37	19	0.00	0.0
February 10	49	30	0.51	0.0
February 11	65	46	1.58	0.0
February 12	63	30	0.00	0.0
February 13	40	24	0.00	0.0
February 14	51	33	0.04	0.0
February 15	63	42	0.17	0.0
February 16	60	36	0.27	0.0
February 17	40	28	0.54	2.5
February 18	46	30	0.00	0.0
February 19	47	27	0.00	0.0
February 20	75	45	0.01	0.0
February 21	78	49	0.02	0.0
February 22	59	40	0.07	0.0
February 23	44	38	0.49	0.0
February 24	50	44	0.03	0.0
February 25	50	44	0.49	0.0
February 26	53	36	0.00	0.0
February 27	58	29	0.00	0.0
February 28	62	37	0.00	0.0

March 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	57	41	0.76	0.0
March 2	46	34	0.61	0.1
March 3	50	35	0.00	0.0
March 4	50	31	0.00	0.0
March 5	47	28	0.00	0.0
March 6	47	27	0.29	1.4
March 7	37	32	1.23	4.6
March 8	40	31	0.00	0.0
March 9	41	29	0.00	0.0
March 10	45	28	0.00	0.0
March 11	46	23	0.00	0.0
March 12	43	27	0.15	0.0
March 13	44	30	0.00	0.0
March 14	40	29	0.00	0.0
March 15	47	30	0.00	0.0
March 16	43	30	0.00	0.0
March 17	48	26	0.00	0.0
March 18	52	26	0.00	0.0
March 19	54	29	0.00	0.0
March 20	36	30	0.62	1.4
March 21	34	31	0.70	6.7
March 22	44	32	0.00	0.0
March 23	45	31	0.00	0.0
March 24	49	29	0.00	0.0
March 25	49	31	0.00	0.0
March 26	50	25	0.00	0.0
March 27	44	28	0.01	0.0
March 28	50	39	0.04	0.0
March 29	68	45	0.01	0.0
March 30	72	43	0.23	0.0
March 31	56	34	0.00	0.0

April 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	63	43	0.00
April 2	50	36	0.15
April 3	47	40	0.07
April 4	68	39	0.00
April 5	49	33	0.00
April 6	67	40	0.00
April 7	58	37	0.00
April 8	48	31	0.00
April 9	43	32	0.00
April 10	52	34	0.00
April 11	54	30	0.00
April 12	73	42	0.00
April 13	84	59	0.00
April 14	82	50	0.00
April 15	50	41	0.25
April 16	64	42	1.19
April 17	47	36	0.00
April 18	57	33	0.00
April 19	54	40	0.02
April 20	56	35	0.00
April 21	61	32	0.00
April 22	64	38	0.00
April 23	66	40	0.00
April 24	64	44	0.10
April 25	69	54	0.35
April 26	69	49	0.00
April 27	59	48	0.31
April 28	70	45	0.13
April 29	55	43	0.02
April 30	69	42	0.00

May 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	80	39	0.00
May 2	88	51	0.00
May 3	90	63	0.00
May 4	88	67	0.00
May 5	74	61	0.00
May 6	71	55	0.01
May 7	75	51	0.00
May 8	77	51	0.00
May 9	78	48	0.00
May 10	77	51	0.19
May 11	79	57	0.00
May 12	75	55	0.90
May 13	60	55	1.27
May 14	72	55	0.01
May 15	86	62	0.66
May 16	71	61	0.32
May 17	68	59	0.68
May 18	67	51	0.09
May 19	70	51	0.74
May 20	84	66	0.01
May 21	79	60	0.00
May 22	67	59	0.50
May 23	81	62	0.00
May 24	83	57	0.00
May 25	85	57	0.00
May 26	90	68	0.00
May 27	79	59	0.13
May 28	69	57	0.00
May 29	81	65	0.00
May 30	78	64	0.01
May 31	79	63	0.16

June 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	83	71	0.01
June 2	85	70	0.15
June 3	73	54	0.58
June 4	75	53	0.04
June 5	80	53	0.09
June 6	74	58	0.00
June 7	74	61	0.00
June 8	80	59	0.00
June 9	87	65	0.00
June 10	77	58	0.15
June 11	70	56	0.79
June 12	73	49	0.00
June 13	80	66	0.00
June 14	84	64	0.00
June 15	82	58	0.00
June 16	85	56	0.00
June 17	88	63	0.00
June 18	92	69	0.00
June 19	89	70	0.00
June 20	84	64	0.00
June 21	85	71	0.00
June 22	73	62	0.18
June 23	75	64	0.01
June 24	89	70	0.00
June 25	85	63	0.00
June 26	80	57	0.00
June 27	75	63	0.01
June 28	90	73	0.02
June 29	93	69	0.00
June 30	97	69	0.00

July 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	94	72	0.00
July 2	95	74	0.00
July 3	95	75	0.46
July 4	90	74	0.00
July 5	90	77	0.25
July 6	84	69	0.02
July 7	80	63	0.00
July 8	85	57	0.00
July 9	87	57	0.00
July 10	95	64	0.00
July 11	92	72	0.00
July 12	86	65	0.00
July 13	86	65	0.00
July 14	91	64	0.00
July 15	82	70	0.24
July 16	95	70	0.00
July 17	94	71	0.38
July 18	88	68	0.00
July 19	87	59	0.00
July 20	84	64	0.00
July 21	74	67	1.54
July 22	86	68	0.20
July 23	86	76	0.48
July 24	86	74	1.39
July 25	82	72	1.16
July 26	88	71	0.00
July 27	87	70	0.60
July 28	87	68	0.00
July 29	85	65	0.00
July 30	78	67	0.00
July 31	82	69	0.00

August 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	88	74	0.56
August 2	89	73	0.00
August 3	85	73	0.93
August 4	87	74	0.06
August 5	90	70	0.00
August 6	92	73	0.00
August 7	89	74	0.00
August 8	91	72	0.06
August 9	89	72	0.00
August 10	90	70	0.00
August 11	89	69	0.78
August 12	86	69	0.00
August 13	85	69	2.01
August 14	83	67	0.31
August 15	88	69	0.00
August 16	89	71	0.00
August 17	92	74	0.24
August 18	87	73	0.33
August 19	74	67	0.05
August 20	77	68	0.00
August 21	80	70	0.45
August 22	84	68	0.08
August 23	80	63	0.00
August 24	82	59	0.00
August 25	80	59	0.00
August 26	85	64	0.00
August 27	90	69	0.00
August 28	93	74	0.00
August 29	94	76	0.00
August 30	92	76	0.00
August 31	81	70	0.81

September 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	78	69	0.23
September 2	85	71	0.01
September 3	90	73	0.02
September 4	95	74	0.00
September 5	93	73	0.00
September 6	93	75	0.00
September 7	86	72	0.05
September 8	71	62	1.05
September 9	62	56	2.33
September 10	71	56	0.28
September 11	77	65	0.04
September 12	85	71	0.00
September 13	80	71	0.00
September 14	76	69	0.00
September 15	82	68	0.00
September 16	84	64	0.00
September 17	79	67	0.31
September 18	84	68	0.13
September 19	85	66	0.00
September 20	76	67	0.00
September 21	76	67	0.00
September 22	78	60	0.00
September 23	63	60	0.77
September 24	67	61	0.07
September 25	78	62	0.14
September 26	84	70	0.19
September 27	73	59	0.02
September 28	72	57	0.58
September 29	78	54	0.00
September 30	75	54	0.00

October 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	82	59	0.00
October 2	82	64	0.00
October 3	80	62	0.00
October 4	86	61	0.01
October 5	74	62	0.03
October 6	71	63	0.01
October 7	80	68	0.00
October 8	75	66	0.04
October 9	80	70	0.00
October 10	82	70	0.00
October 11	83	71	0.84
October 12	71	49	0.22
October 13	59	43	0.09
October 14	58	43	0.00
October 15	68	55	0.17
October 16	61	49	0.00
October 17	66	44	0.00
October 18	55	38	0.00
October 19	63	35	0.00
October 20	66	51	0.07
October 21	53	35	0.01
October 22	55	33	0.00
October 23	68	48	0.00
October 24	56	37	0.00
October 25	53	34	0.00
October 26	50	37	0.46
October 27	52	45	0.88
October 28	56	45	0.00
October 29	61	41	0.00
October 30	60	38	0.00
October 31	69	37	0.00

November 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	72	48	0.00	0.0
November 2	72	58	0.46	0.0
November 3	59	42	0.13	0.0
November 4	56	33	0.00	0.0
November 5	57	46	0.79	0.0
November 6	60	53	0.95	0.0
November 7	63	46	0.00	0.0
November 8	58	44	0.00	0.0
November 9	51	38	0.71	0.0
November 10	48	30	0.00	0.0
November 11	48	27	0.00	0.0
November 12	47	27	0.28	0.0
November 13	50	42	0.86	0.0
November 14	44	34	0.00	0.0
November 15	39	30	0.98	3.0
November 16	47	34	0.20	0.0
November 17	51	33	0.00	0.0
November 18	47	29	0.00	0.0
November 19	50	31	0.00	0.0
November 20	52	36	0.01	0.0
November 21	49	31	0.00	0.0
November 22	35	20	0.00	0.0
November 23	34	16	0.00	0.0
November 24	50	25	2.54	0.0
November 25	59	39	0.00	0.0
November 26	52	40	0.78	0.0
November 27	43	35	0.00	0.0
November 28	40	34	0.00	0.0
November 29	43	31	0.00	0.0
November 30	44	32	0.00	0.0

December 2018 Wilmington Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	46	29	0.17
December 2	58	44	0.55
December 3	57	43	0.00
December 4	44	26	0.00
December 5	35	22	0.00
December 6	41	25	0.00
December 7	41	24	0.00
December 8	39	19	0.00
December 9	35	26	0.00
December 10	40	21	0.00
December 11	42	20	0.00
December 12	45	27	0.00
December 13	50	32	0.00
December 14	51	38	0.16
December 15	54	47	0.61
December 16	48	39	1.53
December 17	50	37	0.00
December 18	43	24	0.00
December 19	47	22	0.00
December 20	61	26	0.87
December 21	61	49	0.54
December 22	51	40	0.00
December 23	47	34	0.00
December 24	46	34	0.04
December 25	43	28	0.00
December 26	46	26	0.00
December 27	48	26	0.02
December 28	60	42	1.67
December 29	53	36	0.00
December 30	47	31	0.00
December 31	47	30	0.69

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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