McKinney Weather in 2018

Historical record of McKinney, Texas weather for the year 2018 based on NOAA data.

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2018 McKinney Weather Extremes
Highest temperature	108 °F	July 22
Lowest temperature	7 °F	January 17
Highest daily low	79 °F	August 17
Lowest daily high	25 °F	January 2
Most daily precipitation	5.6 inches	September 21
Most daily snow	none	-
Total annual precipitation	49.1 inches	-
Total annual snow	none	-

What was the hottest temperature in McKinney in 2018?

The highest temperature recorded in McKinney, Texas in 2018 was 108 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in McKinney in 2018

Rank	Temperature	Date
1	108 °F	Jul 22
1	108 °F	Jul 21
1	108 °F	Jul 20
4	107 °F	Jul 19
5	103 °F	Jul 18
5	103 °F	Jul 17
7	102 °F	Jul 26
7	102 °F	Jul 23
9	100 °F	Aug 18
9	100 °F	Jul 29
9	100 °F	Jul 28
9	100 °F	Jul 27
9	100 °F	Jul 16
9	100 °F	Jul 3

What was the coldest temperature in McKinney in 2018?

The lowest temperature recorded in McKinney, Texas in 2018 was 7 °F which happened on Jan 17.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in McKinney in 2018

Rank	Temperature	Date
1	7 °F	January 17
2	11 °F	January 18
3	13 °F	January 16
3	13 °F	January 1
5	17 °F	January 3
5	17 °F	January 2
7	19 °F	January 4
8	20 °F	February 5
9	21 °F	January 12
10	23 °F	January 5

January 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	28	13	0.00
January 2	25	17	0.00
January 3	47	17	0.00
January 4	48	19	0.00
January 5	60	23	0.00
January 6	61	29	0.00
January 7	57	49	0.27
January 8	59	37	0.00
January 9	46	31	0.00
January 10	55	45	0.00
January 11	62	28	0.00
January 12	42	21	0.00
January 13	44	26	0.00
January 14	52	25	0.00
January 15	58	25	0.00
January 16	28	13	0.00
January 17	34	7	0.00
January 18	44	11	0.00
January 19	53	26	0.00
January 20	70	49	0.00
January 21	73	55	0.45
January 22	57	41	0.00
January 23	56	31	0.00
January 24	62	27	0.00
January 25	64	27	0.00
January 26	64	48	0.01
January 27	65	44	0.14
January 28	66	34	0.00
January 29	54	35	0.00
January 30	60	24	0.00
January 31	72	42	0.00

February 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	63	40	0.00
February 2	52	30	0.00
February 3	55	37	0.00
February 4	63	30	0.00
February 5	44	20	0.00
February 6	43	30	0.17
February 7	47	28	0.00
February 8	56	24	0.00
February 9	63	35	0.00
February 10	59	28	0.01
February 11	41	25	0.00
February 12	47	24	0.00
February 13	43	37	0.00
February 14	68	42	0.00
February 15	77	63	0.00
February 16	69	43	0.01
February 17	61	41	0.38
February 18	62	42	0.00
February 19	75	62	0.03
February 20	70	37	1.68
February 21	37	32	2.65
February 22	40	33	0.61
February 23	51	39	0.48
February 24	63	46	0.43
February 25	65	37	0.00
February 26	66	39	0.00
February 27	64	46	0.03
February 28	68	59	0.00

March 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	62	47	0.02
March 2	67	40	0.00
March 3	71	46	0.00
March 4	69	59	0.00
March 5	71	46	0.00
March 6	66	35	0.00
March 7	58	36	0.00
March 8	66	33	0.00
March 9	75	50	0.00
March 10	80	60	0.00
March 11	67	46	0.01
March 12	61	37	0.00
March 13	62	36	0.00
March 14	66	32	0.00
March 15	75	42	0.00
March 16	84	59	0.00
March 17	76	47	0.20
March 18	76	56	0.00
March 19	71	49	0.00
March 20	64	42	0.00
March 21	70	38	0.00
March 22	78	49	0.00
March 23	75	60	0.00
March 24	84	59	0.00
March 25	75	57	0.00
March 26	84	66	0.00
March 27	72	57	2.20
March 28	65	54	0.59
March 29	70	51	0.00
March 30	70	44	0.00
March 31	76	50	0.00

April 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	70	41	0.00
April 2	60	40	0.00
April 3	81	49	0.14
April 4	61	37	0.00
April 5	70	42	0.00
April 6	82	47	0.74
April 7	47	33	0.00
April 8	54	33	0.00
April 9	69	41	0.00
April 10	70	45	0.00
April 11	77	44	0.00
April 12	81	62	0.00
April 13	83	63	0.03
April 14	63	42	0.00
April 15	62	35	0.00
April 16	79	33	0.00
April 17	83	57	0.00
April 18	77	50	0.00
April 19	68	42	0.00
April 20	67	47	0.00
April 21	62	53	0.27
April 22	65	51	0.00
April 23	73	51	0.00
April 24	82	48	0.00
April 25	66	48	0.36
April 26	71	42	0.00
April 27	79	52	0.00
April 28	82	46	0.00
April 29	83	52	0.00
April 30	80	57	0.00

May 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	78	67	0.00
May 2	84	71	0.00
May 3	76	66	0.39
May 4	72	60	1.07
May 5	81	56	0.00
May 6	86	53	0.00
May 7	91	57	0.00
May 8	89	61	0.00
May 9	87	63	0.00
May 10	84	62	0.00
May 11	87	68	0.00
May 12	89	72	0.00
May 13	88	71	0.00
May 14	89	72	0.00
May 15	87	67	0.04
May 16	90	64	0.00
May 17	90	62	0.00
May 18	92	68	0.28
May 19	90	72	0.00
May 20	81	67	0.29
May 21	87	64	0.00
May 22	88	67	0.00
May 23	90	68	0.00
May 24	90	69	0.00
May 25	91	66	0.65
May 26	91	68	0.00
May 27	94	72	0.00
May 28	93	70	0.00
May 29	94	69	0.00
May 30	95	75	0.00
May 31	95	76	0.00

June 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	95	77	0.00
June 2	98	77	0.00
June 3	92	67	0.00
June 4	83	65	1.04
June 5	90	67	0.42
June 6	93	74	0.01
June 7	90	72	0.05
June 8	92	71	0.00
June 9	92	71	0.00
June 10	93	73	0.00
June 11	92	77	0.00
June 12	91	77	0.00
June 13	95	77	0.00
June 14	95	73	0.00
June 15	93	73	0.00
June 16	94	76	0.00
June 17	93	74	0.00
June 18	91	76	0.00
June 19	87	73	0.01
June 20	87	74	0.16
June 21	96	74	0.00
June 22	99	77	0.00
June 23	94	73	0.00
June 24	96	78	0.00
June 25	94	71	0.00
June 26	98	77	0.00
June 27	98	79	0.00
June 28	98	76	0.00
June 29	97	78	0.00
June 30	97	78	0.00

July 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	98	78	0.00
July 2	99	76	0.00
July 3	100	74	0.00
July 4	91	75	0.00
July 5	97	72	0.00
July 6	97	74	0.18
July 7	95	72	0.00
July 8	95	73	0.00
July 9	91	74	0.00
July 10	95	73	0.00
July 11	98	73	0.00
July 12	97	73	0.04
July 13	95	73	0.00
July 14	97	75	0.00
July 15	98	77	0.00
July 16	100	76	0.00
July 17	103	75	0.00
July 18	103	77	0.00
July 19	107	78	0.00
July 20	108	77	0.00
July 21	108	77	0.00
July 22	108	76	0.00
July 23	102	78	0.00
July 24	98	75	0.00
July 25	99	71	0.00
July 26	102	72	0.00
July 27	100	77	0.00
July 28	100	78	0.01
July 29	100	75	0.00
July 30	91	73	0.00
July 31	91	70	0.00

August 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	95	63	0.00
August 2	96	64	0.00
August 3	97	68	0.00
August 4	97	70	0.00
August 5	97	76	0.00
August 6	97	75	0.00
August 7	99	76	0.00
August 8	90	74	0.01
August 9	95	72	0.91
August 10	88	72	0.12
August 11	79	72	0.36
August 12	85	72	0.01
August 13	86	73	0.29
August 14	86	70	0.09
August 15	96	77	0.00
August 16	97	76	0.00
August 17	99	79	0.00
August 18	100	73	0.14
August 19	93	74	0.00
August 20	92	72	0.00
August 21	91	67	0.00
August 22	94	69	0.00
August 23	97	72	0.00
August 24	98	76	0.00
August 25	96	76	0.00
August 26	96	76	0.00
August 27	96	77	0.00
August 28	98	78	0.00
August 29	97	77	0.00
August 30	95	73	0.00
August 31	97	74	0.00

September 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	96	75	0.00
September 2	93	75	0.00
September 3	81	75	1.09
September 4	87	73	0.00
September 5	88	74	0.09
September 6	92	74	0.03
September 7	91	73	0.12
September 8	76	72	0.75
September 9	75	68	0.00
September 10	74	68	0.12
September 11	80	68	0.04
September 12	85	71	0.00
September 13	88	71	0.00
September 14	88	69	0.64
September 15	89	72	0.00
September 16	92	72	0.00
September 17	94	72	0.00
September 18	94	73	0.00
September 19	95	73	0.00
September 20	90	73	0.10
September 21	83	72	5.64
September 22	75	67	3.13
September 23	73	66	0.11
September 24	81	70	0.01
September 25	88	69	0.00
September 26	75	60	0.57
September 27	75	59	0.00
September 28	77	60	0.00
September 29	78	64	0.00
September 30	83	71	0.00

October 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	85	71	0.00
October 2	86	69	0.00
October 3	89	72	0.00
October 4	89	72	0.00
October 5	89	71	0.00
October 6	87	74	0.10
October 7	89	73	0.07
October 8	86	70	0.92
October 9	74	63	0.86
October 10	71	56	0.00
October 11	72	51	0.00
October 12	65	58	0.33
October 13	66	60	2.31
October 14	79	50	0.16
October 15	50	41	1.79
October 16	53	44	1.28
October 17	58	52	0.21
October 18	66	54	0.00
October 19	60	57	0.81
October 20	73	50	0.00
October 21	69	47	0.00
October 22	64	46	0.00
October 23	72	52	0.00
October 24	57	51	1.51
October 25	61	50	0.03
October 26	71	50	0.00
October 27	83	50	0.00
October 28	84	55	0.00
October 29	83	56	0.00
October 30	81	66	0.00
October 31	73	53	0.91

November 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	62	47	0.00
November 2	72	45	0.00
November 3	74	46	0.27
November 4	64	48	0.00
November 5	81	49	0.00
November 6	74	48	0.00
November 7	67	56	0.42
November 8	57	49	0.01
November 9	55	37	0.00
November 10	50	29	0.00
November 11	51	45	0.05
November 12	45	33	0.19
November 13	41	27	0.00
November 14	47	24	0.00
November 15	64	26	0.00
November 16	72	35	0.00
November 17	69	39	0.00
November 18	58	38	0.00
November 19	54	35	0.00
November 20	58	34	0.00
November 21	60	30	0.00
November 22	63	33	0.00
November 23	74	46	0.00
November 24	74	39	0.00
November 25	61	38	0.00
November 26	51	29	0.00
November 27	64	28	0.00
November 28	69	38	0.00
November 29	77	50	0.00
November 30	70	61	0.26

December 2018 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	70	51	0.00
December 2	63	44	0.00
December 3	52	34	0.00
December 4	47	27	0.00
December 5	52	28	0.00
December 6	53	45	0.13
December 7	45	42	0.62
December 8	43	37	0.73
December 9	51	35	0.00
December 10	56	29	0.00
December 11	61	31	0.00
December 12	63	46	0.00
December 13	64	45	0.53
December 14	48	43	0.12
December 15	59	37	0.00
December 16	65	34	0.00
December 17	54	38	0.00
December 18	60	34	0.00
December 19	62	49	0.06
December 20	60	46	0.00
December 21	58	36	0.00
December 22	65	41	0.00
December 23	57	37	0.00
December 24	59	31	0.00
December 25	64	53	0.00
December 26	65	55	2.83
December 27	62	39	0.25
December 28	47	33	0.00
December 29	42	34	0.00
December 30	41	33	0.04
December 31	60	39	0.40

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Weather Station Details

Years	Station	Coordinates
1999–2024	McKinney Municipal Airport	location
1903–1998	McKinney Municipal Airport	location