Rio Grande City Weather in 1978

Historical record of Rio Grande City, Texas weather for the year 1978 based on NOAA data.

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1978 Rio Grande City Weather Extremes
Highest temperature	106 °F	June 26
Lowest temperature	18 °F	December 11
Highest daily low	78 °F	September 15
Lowest daily high	39 °F	January 22
Most daily precipitation	2.5 inches	May 14
Most daily snow	none	-
Total annual precipitation	19.3 inches	-
Total annual snow	none	-

What was the hottest temperature in Rio Grande City in 1978?

The highest temperature recorded in Rio Grande City, Texas in 1978 was 106 °F which happened on June 26.

Highest Temperatures: All-Time By Year

Highest Temperatures in Rio Grande City in 1978

Rank	Temperature	Date
1	106 °F	Jun 26
2	105 °F	Aug 18
2	105 °F	Jul 22
2	105 °F	Jul 4
2	105 °F	May 2
6	104 °F	Aug 19
6	104 °F	Aug 17
6	104 °F	Aug 14
6	104 °F	Aug 12
6	104 °F	Jul 20
6	104 °F	Jul 17
6	104 °F	Jul 13
6	104 °F	Jul 12
6	104 °F	Jul 8
6	104 °F	Jul 6
6	104 °F	Jul 5
6	104 °F	Jul 3
6	104 °F	Jun 27
6	104 °F	Jun 25

What was the coldest temperature in Rio Grande City in 1978?

The lowest temperature recorded in Rio Grande City, Texas in 1978 was 18 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Rio Grande City in 1978

Rank	Temperature	Date
1	18 °F	December 11
1	18 °F	December 10
3	25 °F	February 23
3	25 °F	February 22
3	25 °F	January 26
6	26 °F	January 27
7	29 °F	January 15
7	29 °F	January 14
9	30 °F	March 6
9	30 °F	March 5
9	30 °F	February 20
9	30 °F	February 19
9	30 °F	January 9

January 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	77	61	0.00
January 2	67	35	0.20
January 3	41	33	0.02
January 4	54	40	0.02
January 5	61	47	0.00
January 6	73	47	0.00
January 7	82	47	0.00
January 8	79	50	0.00
January 9	75	30	0.00
January 10	64	31	0.00
January 11	67	40	0.00
January 12	59	43	0.00
January 13	73	38	0.00
January 14	71	29	0.00
January 15	71	29	0.00
January 16	82	57	0.00
January 17	85	40	0.00
January 18	55	40	0.13
January 19	50	39	0.06
January 20	51	31	0.00
January 21	45	32	0.04
January 22	39	34	0.08
January 23	47	35	0.02
January 24	49	43	0.04
January 25	56	43	0.00
January 26	69	25	0.00
January 27	72	26	0.00
January 28	75	40	0.00
January 29	45	42	0.18
January 30	46	42	0.09
January 31	54	42	0.04

February 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	47	42	0.02
February 2	52	42	0.02
February 3	47	41	0.01
February 4	54	41	0.00
February 5	62	37	0.00
February 6	67	31	0.00
February 7	65	31	0.09
February 8	70	40	0.00
February 9	55	35	0.00
February 10	61	38	0.00
February 11	52	37	0.00
February 12	72	48	0.00
February 13	84	35	0.00
February 14	78	35	0.00
February 15	66	43	0.03
February 16	59	45	0.04
February 17	60	45	0.01
February 18	72	38	0.00
February 19	56	30	0.00
February 20	56	30	0.00
February 21	69	32	0.00
February 22	63	25	0.00
February 23	67	25	0.00
February 24	73	39	0.00
February 25	81	48	0.00
February 26	90	48	0.00
February 27	81	63	0.00
February 28	85	61	0.00

March 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	97	61	0.00
March 2	85	61	0.02
March 3	88	57	0.00
March 4	60	38	0.00
March 5	60	30	0.00
March 6	77	30	0.00
March 7	89	59	0.00
March 8	85	54	0.00
March 9	70	34	0.00
March 10	77	34	0.00
March 11	91	49	0.00
March 12	92	47	0.00
March 13	83	51	0.00
March 14	91	40	0.00
March 15	87	40	0.00
March 16	89	52	0.00
March 17	74	38	0.00
March 18	78	38	0.00
March 19	82	50	0.00
March 20	85	52	0.00
March 21	90	58	0.00
March 22	90	59	0.00
March 23	88	67	0.00
March 24	89	62	0.00
March 25	87	58	0.00
March 26	75	58	0.00
March 27	80	41	0.00
March 28	86	46	0.00
March 29	87	52	0.00
March 30	84	59	0.00
March 31	85	55	0.00

April 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	89	56	0.00
April 2	93	64	0.00
April 3	93	67	0.00
April 4	93	68	0.00
April 5	92	68	0.00
April 6	91	68	0.00
April 7	94	68	0.00
April 8	93	70	0.00
April 9	90	70	0.00
April 10	91	73	0.00
April 11	81	60	0.00
April 12	64	52	2.05
April 13	76	54	0.01
April 14	85	59	0.00
April 15	87	60	0.00
April 16	89	63	0.00
April 17	91	65	0.00
April 18	100	69	0.00
April 19	100	68	0.00
April 20	92	64	0.00
April 21	79	56	0.00
April 22	84	58	0.04
April 23	93	69	0.00
April 24	98	65	0.00
April 25	98	65	0.00
April 26	92	59	0.00
April 27	87	62	0.00
April 28	87	65	0.00
April 29	94	67	0.00
April 30	90	70	0.00

May 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	97	69	0.00
May 2	105	69	0.00
May 3	95	64	0.00
May 4	89	56	0.00
May 5	96	57	0.00
May 6	95	70	0.00
May 7	99	75	0.00
May 8	102	72	0.00
May 9	96	71	0.00
May 10	95	71	0.00
May 11	92	75	0.00
May 12	96	72	0.00
May 13	102	72	0.00
May 14	84	67	2.54
May 15	87	68	0.00
May 16	98	68	0.00
May 17	98	71	0.00
May 18	99	75	0.00
May 19	97	77	0.00
May 20	95	76	0.00
May 21	94	75	0.00
May 22	94	66	1.29
May 23	92	70	0.00
May 24	93	73	0.00
May 25	94	68	0.09
May 26	94	68	0.00
May 27	95	73	0.00
May 28	96	72	0.00
May 29	95	72	0.00
May 30	93	72	0.00
May 31	97	72	0.00

June 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	96	72	0.00
June 2	96	74	0.00
June 3	100	70	0.45
June 4	88	70	0.10
June 5	93	71	0.00
June 6	96	71	0.00
June 7	99	75	0.00
June 8	90	68	0.19
June 9	98	69	0.00
June 10	99	69	0.00
June 11	96	69	0.00
June 12	102	73	0.00
June 13	100	72	0.00
June 14	99	70	0.00
June 15	100	71	0.00
June 16	101	73	0.00
June 17	101	72	0.00
June 18	99	72	0.00
June 19	100	70	0.00
June 20	101	71	0.00
June 21	99	71	0.00
June 22	100	71	0.00
June 23	100	72	0.00
June 24	101	74	0.00
June 25	104	75	0.00
June 26	106	77	0.00
June 27	104	77	0.00
June 28	100	76	0.00
June 29	100	69	0.00
June 30	101	70	0.00

July 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	100	73	0.00
July 2	102	75	0.00
July 3	104	75	0.00
July 4	105	75	0.00
July 5	104	75	0.00
July 6	104	75	0.00
July 7	103	76	0.00
July 8	104	75	0.00
July 9	103	72	0.00
July 10	101	72	0.00
July 11	103	74	0.00
July 12	104	75	0.00
July 13	104	75	0.00
July 14	102	74	0.00
July 15	102	73	0.00
July 16	103	74	0.00
July 17	104	74	0.00
July 18	103	74	0.00
July 19	103	74	0.00
July 20	104	72	0.00
July 21	101	73	0.00
July 22	105	74	0.00
July 23	102	73	0.00
July 24	99	72	0.00
July 25	98	70	0.03
July 26	99	71	0.00
July 27	101	73	0.00
July 28	99	74	0.00
July 29	102	76	0.00
July 30	101	75	0.00
July 31	94	72	0.06

August 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	89	73	0.67
August 2	97	70	0.69
August 3	99	74	0.00
August 4	99	71	0.00
August 5	99	71	0.00
August 6	99	70	0.00
August 7	99	70	0.00
August 8	99	71	0.00
August 9	99	71	0.00
August 10	100	72	0.00
August 11	100	72	0.00
August 12	104	75	0.00
August 13	103	75	0.00
August 14	104	75	0.00
August 15	103	74	0.00
August 16	103	74	0.00
August 17	104	74	0.00
August 18	105	74	0.00
August 19	104	75	0.00
August 20	102	74	0.00
August 21	102	69	0.53
August 22	93	69	0.04
August 23	98	70	0.00
August 24	99	70	0.00
August 25	100	71	0.00
August 26	101	70	0.14
August 27	99	68	0.00
August 28	100	67	0.00
August 29	103	70	0.00
August 30	95	71	0.63
August 31	96	70	0.00

September 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	92	70	0.40
September 2	96	70	0.00
September 3	96	70	0.00
September 4	97	71	0.00
September 5	96	70	0.11
September 6	92	70	0.13
September 7	83	67	0.69
September 8	90	68	0.27
September 9	91	71	0.11
September 10	89	72	0.33
September 11	85	69	0.68
September 12	85	69	0.16
September 13	95	74	0.21
September 14	96	77	0.00
September 15	97	78	0.00
September 16	97	76	0.00
September 17	99	71	0.00
September 18	97	71	0.00
September 19	96	75	0.00
September 20	96	74	0.00
September 21	96	74	0.00
September 22	97	74	0.00
September 23	83	73	0.37
September 24	80	72	0.30
September 25	87	73	0.13
September 26	89	70	0.00
September 27	89	69	0.00
September 28	82	66	0.35
September 29	76	66	0.02
September 30	86	65	0.00

October 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	89	64	0.00
October 2	89	64	0.00
October 3	90	67	0.00
October 4	94	71	0.00
October 5	90	72	0.00
October 6	91	71	0.03
October 7	79	62	0.38
October 8	64	62	0.13
October 9	79	61	0.00
October 10	80	60	0.00
October 11	85	63	0.00
October 12	89	67	0.00
October 13	87	61	0.00
October 14	89	62	0.00
October 15	77	51	0.00
October 16	77	51	0.00
October 17	82	53	0.00
October 18	82	55	0.00
October 19	83	52	0.00
October 20	82	45	0.00
October 21	85	45	0.00
October 22	84	50	0.00
October 23	86	63	0.00
October 24	86	62	0.00
October 25	86	68	0.00
October 26	87	68	0.00
October 27	73	62	2.14
October 28	67	60	0.13
October 29	63	60	0.55
October 30	79	57	0.00
October 31	81	57	0.00

November 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	83	62	0.00
November 2	80	61	0.00
November 3	82	61	0.00
November 4	81	62	0.00
November 5	81	69	0.00
November 6	83	63	0.00
November 7	81	53	0.00
November 8	68	40	0.00
November 9	73	41	0.00
November 10	78	45	0.00
November 11	86	54	0.00
November 12	87	70	0.00
November 13	84	65	0.00
November 14	85	65	0.00
November 15	85	68	0.00
November 16	83	55	0.00
November 17	57	55	0.00
November 18	65	57	0.00
November 19	60	57	0.15
November 20	65	56	0.13
November 21	64	55	0.02
November 22	62	57	0.03
November 23	63	59	0.00
November 24	75	63	0.00
November 25	81	68	0.00
November 26	79	67	0.02
November 27	77	67	0.00
November 28	68	50	0.00
November 29	51	49	0.00
November 30	66	44	0.00

December 1978 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	77	44	0.00
December 2	84	46	0.00
December 3	90	65	0.00
December 4	87	50	0.00
December 5	66	35	0.00
December 6	79	36	0.00
December 7	84	53	0.00
December 8	64	46	0.00
December 9	48	35	0.00
December 10	50	18	0.00
December 11	53	18	0.00
December 12	55	48	0.00
December 13	56	50	0.01
December 14	55	51	0.27
December 15	55	48	0.00
December 16	68	49	0.00
December 17	76	55	0.00
December 18	56	52	0.00
December 19	69	53	0.00
December 20	82	56	0.00
December 21	90	59	0.00
December 22	69	35	0.00
December 23	71	35	0.00
December 24	78	49	0.00
December 25	72	37	0.00
December 26	77	36	0.00
December 27	63	49	0.38
December 28	54	49	0.00
December 29	66	54	0.00
December 30	65	56	0.00
December 31	72	63	0.00

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Weather Station Details

Years	Station	Coordinates
1892–2024	Rio Grande City	location