McKinney Weather in 1978

Historical record of McKinney, Texas weather for the year 1978 based on NOAA data.

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1978 McKinney Weather Extremes
Highest temperature	107 °F	July 16
Lowest temperature	2 °F	February 19
Highest daily low	79 °F	August 16
Lowest daily high	27 °F	January 22
Most daily precipitation	3.7 inches	November 16
Most daily snow	4.2 inches	February 18
Total annual precipitation	32.1 inches	-
Total annual snow	17.9 inches	-

What was the hottest temperature in McKinney in 1978?

The highest temperature recorded in McKinney, Texas in 1978 was 107 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in McKinney in 1978

Rank	Temperature	Date
1	107 °F	Jul 16
1	107 °F	Jul 15
3	104 °F	Jul 14
3	104 °F	Jul 9
5	103 °F	Jul 30
5	103 °F	Jul 26
5	103 °F	Jul 10
5	103 °F	Jul 8
9	102 °F	Aug 18
9	102 °F	Jul 31
9	102 °F	Jul 28
9	102 °F	Jul 19
9	102 °F	Jul 18
9	102 °F	Jul 13
9	102 °F	Jul 11

What was the coldest temperature in McKinney in 1978?

The lowest temperature recorded in McKinney, Texas in 1978 was 2 °F which happened on Feb 19.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in McKinney in 1978

Rank	Temperature	Date
1	2 °F	February 19
2	8 °F	February 18
3	13 °F	January 20
4	14 °F	January 17
4	14 °F	January 10
6	15 °F	January 9
7	16 °F	January 3
8	17 °F	December 11
8	17 °F	December 10
8	17 °F	January 22

January 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	51	26	0.00	0.0
January 2	40	23	0.00	0.0
January 3	47	16	0.00	0.0
January 4	52	31	0.00	0.0
January 5	72	50	0.00	0.0
January 6	72	31	0.00	0.0
January 7	73	46	0.00	0.0
January 8	64	27	0.00	0.0
January 9	34	15	0.00	0.0
January 10	31	14	0.00	0.0
January 11	31	25	0.10	0.0
January 12	33	30	0.65	1.0
January 13	47	28	0.00	0.0
January 14	43	21	0.00	0.0
January 15	41	24	0.00	0.0
January 16	57	30	0.35	0.0
January 17	31	14	0.08	0.0
January 18	31	23	0.00	0.0
January 19	29	21	0.27	2.6
January 20	29	13	0.00	0.0
January 21	30	22	0.00	0.0
January 22	27	17	0.10	1.2
January 23	35	26	0.00	0.0
January 24	42	34	0.01	0.0
January 25	47	32	0.14	0.4
January 26	44	21	0.00	0.1
January 27	39	22	0.00	0.0
January 28	45	18	0.00	0.0
January 29	41	22	0.00	0.0
January 30	38	32	0.00	0.0
January 31	35	32	0.02	0.0

February 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	37	32	0.22	0.0
February 2	36	32	0.02	0.0
February 3	41	31	0.00	0.0
February 4	44	25	0.00	0.0
February 5	48	29	0.00	0.0
February 6	46	25	0.00	0.0
February 7	41	25	0.28	3.0
February 8	30	24	0.06	0.2
February 9	32	26	0.32	0.5
February 10	38	26	0.01	0.1
February 11	38	31	0.01	0.0
February 12	50	37	0.09	0.0
February 13	47	31	2.07	0.0
February 14	41	25	0.00	0.0
February 15	40	30	0.00	0.0
February 16	40	34	0.19	1.3
February 17	40	27	0.26	2.8
February 18	29	8	0.37	4.2
February 19	38	2	0.00	0.0
February 20	43	26	0.00	0.0
February 21	36	19	0.00	0.0
February 22	68	22	0.00	0.0
February 23	67	36	0.00	0.0
February 24	73	36	0.00	0.0
February 25	70	42	0.00	0.0
February 26	59	34	0.00	0.0
February 27	56	42	0.00	0.0
February 28	62	46	0.08	0.0

March 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	50	37	0.00
March 2	71	42	0.09
March 3	54	26	0.01
March 4	39	20	0.00
March 5	60	22	0.00
March 6	58	45	0.00
March 7	57	40	0.67
March 8	42	35	0.00
March 9	56	35	0.01
March 10	69	28	0.00
March 11	66	49	0.00
March 12	59	31	0.00
March 13	76	48	0.13
March 14	74	41	0.00
March 15	69	39	0.00
March 16	64	34	0.00
March 17	77	35	0.00
March 18	83	39	0.00
March 19	78	52	0.00
March 20	78	61	0.00
March 21	79	57	0.16
March 22	83	46	0.00
March 23	78	62	0.00
March 24	71	44	1.23
March 25	55	39	0.00
March 26	63	33	0.00
March 27	76	33	0.00
March 28	79	40	0.00
March 29	75	49	0.00
March 30	80	49	0.00
March 31	81	49	0.00

April 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	82	58	0.00
April 2	82	60	0.00
April 3	77	63	0.00
April 4	88	66	0.00
April 5	85	63	0.00
April 6	84	61	0.39
April 7	82	64	0.00
April 8	80	63	0.00
April 9	76	64	0.00
April 10	72	54	0.73
April 11	68	41	0.11
April 12	74	47	0.00
April 13	79	49	0.00
April 14	79	56	0.00
April 15	80	54	0.00
April 16	82	62	0.00
April 17	82	61	0.00
April 18	82	44	0.02
April 19	76	47	0.00
April 20	68	40	0.00
April 21	74	41	0.00
April 22	77	55	0.00
April 23	81	55	0.96
April 24	82	54	0.00
April 25	80	53	0.00
April 26	73	45	0.00
April 27	78	43	0.00
April 28	80	55	0.00
April 29	85	65	0.00
April 30	85	66	0.00

May 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	86	64	0.00
May 2	85	51	0.01
May 3	57	48	2.16
May 4	64	44	0.00
May 5	77	51	0.71
May 6	77	65	0.00
May 7	87	72	0.05
May 8	85	56	0.00
May 9	83	52	0.00
May 10	84	55	0.00
May 11	79	64	0.02
May 12	92	65	0.10
May 13	83	50	0.00
May 14	87	49	0.00
May 15	93	60	0.00
May 16	92	66	0.00
May 17	79	66	0.00
May 18	89	72	0.00
May 19	90	70	0.00
May 20	89	68	0.00
May 21	86	64	1.10
May 22	86	69	0.93
May 23	86	69	0.00
May 24	85	69	0.00
May 25	86	68	0.00
May 26	88	70	0.00
May 27	88	68	0.00
May 28	88	65	0.00
May 29	86	64	1.94
May 30	88	65	0.00
May 31	88	68	0.00

June 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	87	69	0.00
June 2	84	64	0.00
June 3	87	68	0.00
June 4	88	65	0.00
June 5	89	67	0.00
June 6	85	65	0.45
June 7	87	69	0.12
June 8	87	62	0.05
June 9	84	55	0.00
June 10	89	56	0.00
June 11	92	71	0.00
June 12	95	75	0.00
June 13	94	66	1.10
June 14	90	68	0.13
June 15	92	69	0.00
June 16	91	71	0.00
June 17	95	74	0.00
June 18	93	73	0.00
June 19	93	69	0.00
June 20	93	74	0.00
June 21	92	71	0.00
June 22	95	73	0.00
June 23	96	74	0.00
June 24	97	77	0.00
June 25	99	75	0.00
June 26	98	76	0.00
June 27	97	76	0.00
June 28	96	73	0.00
June 29	97	70	0.00
June 30	98	70	0.00

July 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	98	72	0.00
July 2	101	77	0.00
July 3	101	76	0.00
July 4	101	75	0.00
July 5	100	73	0.00
July 6	100	74	0.00
July 7	101	75	0.00
July 8	103	75	0.00
July 9	104	75	0.00
July 10	103	75	0.00
July 11	102	75	0.00
July 12	100	76	0.00
July 13	102	78	0.00
July 14	104	77	0.00
July 15	107	77	0.00
July 16	107	76	0.00
July 17	101	78	0.00
July 18	102	78	0.00
July 19	102	73	0.00
July 20	101	76	0.00
July 21	99	77	0.00
July 22	99	75	0.00
July 23	91	72	0.00
July 24	94	72	0.17
July 25	100	76	0.00
July 26	103	78	0.00
July 27	101	72	0.07
July 28	102	74	0.00
July 29	101	74	0.00
July 30	103	75	0.00
July 31	102	76	0.00

August 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	95	70	0.00
August 2	93	73	0.00
August 3	91	77	0.00
August 4	90	70	0.01
August 5	81	68	1.13
August 6	90	64	0.29
August 7	92	65	0.00
August 8	96	65	0.00
August 9	95	67	0.00
August 10	98	66	0.00
August 11	101	70	0.00
August 12	101	75	0.00
August 13	100	78	0.00
August 14	99	75	0.00
August 15	101	77	0.00
August 16	101	79	0.00
August 17	101	78	0.00
August 18	102	76	0.00
August 19	101	78	0.00
August 20	101	73	0.00
August 21	100	73	0.00
August 22	97	69	0.00
August 23	100	70	0.00
August 24	100	75	0.00
August 25	100	75	0.00
August 26	100	76	0.00
August 27	98	77	0.00
August 28	97	69	0.00
August 29	88	70	1.65
August 30	88	67	0.11
August 31	89	65	0.00

September 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	88	70	0.00
September 2	89	72	0.05
September 3	94	70	0.00
September 4	100	69	0.00
September 5	97	69	0.00
September 6	95	70	0.00
September 7	95	66	0.00
September 8	90	68	0.00
September 9	88	71	0.52
September 10	88	70	0.04
September 11	87	73	0.00
September 12	85	73	0.53
September 13	92	77	0.93
September 14	94	72	0.00
September 15	92	74	0.00
September 16	95	74	0.00
September 17	93	74	0.00
September 18	92	75	0.00
September 19	93	75	0.00
September 20	92	72	0.00
September 21	90	66	0.00
September 22	82	61	0.05
September 23	87	62	0.00
September 24	86	66	0.00
September 25	85	64	0.00
September 26	81	66	0.00
September 27	78	65	0.00
September 28	87	63	0.00
September 29	86	55	0.00
September 30	89	57	0.00

October 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	89	56	0.00
October 2	92	64	0.00
October 3	91	60	0.00
October 4	86	52	0.00
October 5	84	64	0.00
October 6	77	54	0.07
October 7	78	52	0.00
October 8	81	54	0.00
October 9	82	63	0.00
October 10	81	64	0.00
October 11	88	69	0.00
October 12	92	67	0.00
October 13	89	57	0.00
October 14	75	45	0.00
October 15	84	40	0.00
October 16	83	48	0.00
October 17	78	46	0.00
October 18	80	43	0.00
October 19	88	44	0.00
October 20	91	49	0.00
October 21	89	49	0.00
October 22	86	63	0.00
October 23	82	55	0.00
October 24	77	48	0.00
October 25	74	62	0.00
October 26	71	49	0.02
October 27	75	37	0.00
October 28	78	36	0.00
October 29	77	38	0.00
October 30	80	37	0.00
October 31	85	47	0.00

November 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	84	43	0.00
November 2	85	42	0.00
November 3	85	52	0.00
November 4	84	50	0.00
November 5	82	50	0.00
November 6	76	48	0.00
November 7	60	44	0.27
November 8	68	31	0.00
November 9	71	38	0.00
November 10	81	52	0.00
November 11	77	51	0.00
November 12	80	53	0.00
November 13	76	64	0.00
November 14	75	59	0.00
November 15	59	42	0.52
November 16	45	42	3.66
November 17	61	34	0.71
November 18	67	34	0.00
November 19	63	46	0.03
November 20	52	46	0.04
November 21	50	45	0.00
November 22	55	47	0.24
November 23	75	55	0.01
November 24	70	53	0.00
November 25	73	61	0.00
November 26	74	n/a	0.25
November 27	65	40	0.00
November 28	55	29	0.00
November 29	63	40	0.00
November 30	65	36	0.00

December 1978 McKinney Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	67	37	0.00	0.0
December 2	77	59	0.00	0.0
December 3	75	30	0.06	0.0
December 4	52	27	0.00	0.0
December 5	70	34	0.00	0.0
December 6	64	38	0.00	0.0
December 7	41	31	0.01	0.0
December 8	31	23	0.00	0.0
December 9	37	19	0.00	0.0
December 10	49	17	0.00	0.0
December 11	54	17	0.00	0.0
December 12	61	21	0.00	0.0
December 13	57	29	0.00	0.0
December 14	51	34	0.00	0.0
December 15	66	31	0.00	0.0
December 16	61	39	0.00	0.0
December 17	55	25	0.00	0.0
December 18	70	43	0.00	0.0
December 19	70	54	0.00	0.0
December 20	75	57	0.00	0.0
December 21	57	29	0.00	0.0
December 22	61	27	0.00	0.0
December 23	69	41	0.00	0.0
December 24	63	31	0.00	0.0
December 25	64	27	0.00	0.0
December 26	58	38	0.00	0.0
December 27	49	37	0.00	0.0
December 28	51	40	0.00	0.0
December 29	54	48	0.00	0.0
December 30	54	30	0.09	0.0
December 31	31	26	1.47	0.5

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Weather Station Details

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