Rio Grande City Weather in 1977

Historical record of Rio Grande City, Texas weather for the year 1977 based on NOAA data.

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1977 Rio Grande City Weather Extremes
Highest temperature	106 °F	August 24
Lowest temperature	20 °F	December 22
Highest daily low	78 °F	August 25
Lowest daily high	42 °F	January 2
Most daily precipitation	4.9 inches	September 3
Most daily snow	none	-
Total annual precipitation	14.4 inches	-
Total annual snow	none	-

What was the hottest temperature in Rio Grande City in 1977?

The highest temperature recorded in Rio Grande City, Texas in 1977 was 106 °F which happened on August 24.

Highest Temperatures: All-Time By Year

Highest Temperatures in Rio Grande City in 1977

Rank	Temperature	Date
1	106 °F	Aug 24
2	105 °F	Aug 23
2	105 °F	Aug 21
2	105 °F	Aug 4
2	105 °F	Aug 3
6	104 °F	Aug 25
6	104 °F	Aug 22
6	104 °F	Aug 14
6	104 °F	Aug 2
6	104 °F	Aug 1

What was the coldest temperature in Rio Grande City in 1977?

The lowest temperature recorded in Rio Grande City, Texas in 1977 was 20 °F which happened on Dec 22.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Rio Grande City in 1977

Rank	Temperature	Date
1	20 °F	December 22
2	24 °F	January 20
2	24 °F	January 19
4	27 °F	January 18
5	29 °F	January 11
5	29 °F	January 10
7	30 °F	December 23
8	31 °F	January 4
9	32 °F	December 21
9	32 °F	November 11
9	32 °F	November 10
9	32 °F	February 17
9	32 °F	February 16
9	32 °F	January 3

January 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	53	40	0.00
January 2	42	35	0.46
January 3	43	32	0.02
January 4	55	31	0.02
January 5	59	50	0.00
January 6	67	44	0.05
January 7	58	36	0.00
January 8	66	37	0.00
January 9	64	48	0.00
January 10	60	29	0.00
January 11	51	29	0.00
January 12	47	39	0.25
January 13	51	45	0.05
January 14	54	44	0.11
January 15	65	49	0.00
January 16	67	38	0.00
January 17	54	38	0.00
January 18	50	27	0.00
January 19	62	24	0.00
January 20	62	24	0.00
January 21	65	39	0.00
January 22	67	47	0.02
January 23	68	52	0.05
January 24	70	55	0.00
January 25	66	46	0.00
January 26	64	50	0.00
January 27	77	52	0.03
January 28	86	53	0.00
January 29	86	39	0.00
January 30	45	38	0.04
January 31	49	40	0.11

February 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	43	39	0.15
February 2	49	42	0.08
February 3	57	49	0.06
February 4	66	39	0.00
February 5	71	39	0.00
February 6	71	41	0.00
February 7	71	41	0.00
February 8	65	48	0.05
February 9	50	48	0.19
February 10	52	49	0.30
February 11	61	51	0.00
February 12	78	41	0.00
February 13	77	50	0.00
February 14	76	43	0.00
February 15	81	44	0.00
February 16	60	32	0.00
February 17	70	32	0.00
February 18	81	41	0.00
February 19	86	47	0.00
February 20	85	52	0.00
February 21	74	55	0.00
February 22	77	56	0.00
February 23	86	53	0.00
February 24	87	46	0.00
February 25	89	41	0.00
February 26	98	53	0.00
February 27	74	34	0.00
February 28	71	34	0.00

March 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	73	36	0.00
March 2	74	49	0.00
March 3	88	57	0.00
March 4	90	44	0.00
March 5	75	43	0.00
March 6	69	53	0.00
March 7	68	34	0.00
March 8	75	33	0.00
March 9	76	34	0.00
March 10	81	43	0.00
March 11	86	59	0.00
March 12	77	40	0.00
March 13	84	42	0.00
March 14	84	45	0.00
March 15	90	63	0.00
March 16	83	68	0.00
March 17	85	64	0.00
March 18	96	61	0.00
March 19	88	61	0.00
March 20	87	53	0.00
March 21	82	58	0.00
March 22	85	55	0.00
March 23	76	53	0.06
March 24	71	54	0.04
March 25	80	61	0.02
March 26	81	65	0.00
March 27	84	71	0.00
March 28	81	46	0.03
March 29	93	47	0.00
March 30	88	63	0.00
March 31	88	65	0.00

April 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	86	56	0.01
April 2	80	57	0.00
April 3	92	67	0.00
April 4	96	65	0.00
April 5	78	40	0.00
April 6	79	39	0.00
April 7	83	42	0.00
April 8	83	51	0.00
April 9	84	52	0.00
April 10	85	57	0.00
April 11	84	62	0.00
April 12	81	67	0.00
April 13	81	68	0.00
April 14	85	68	0.00
April 15	90	69	0.02
April 16	87	65	0.12
April 17	86	62	0.00
April 18	85	58	0.00
April 19	89	65	0.00
April 20	81	71	0.00
April 21	94	62	0.00
April 22	85	56	0.00
April 23	90	55	0.00
April 24	88	62	0.00
April 25	87	56	0.00
April 26	87	56	0.00
April 27	88	54	0.00
April 28	84	54	0.00
April 29	85	65	0.00
April 30	87	68	0.00

May 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	90	68	0.00
May 2	92	70	0.00
May 3	92	73	0.00
May 4	93	70	0.00
May 5	92	68	0.00
May 6	89	68	0.00
May 7	91	72	0.00
May 8	92	73	0.00
May 9	92	65	0.80
May 10	92	65	0.00
May 11	89	67	0.00
May 12	87	70	0.00
May 13	88	69	0.00
May 14	86	68	0.00
May 15	92	72	0.00
May 16	89	73	0.00
May 17	86	73	0.00
May 18	91	74	0.00
May 19	91	74	0.00
May 20	90	73	0.00
May 21	90	74	0.00
May 22	91	75	0.00
May 23	91	66	0.21
May 24	89	66	0.00
May 25	91	72	0.00
May 26	91	71	0.00
May 27	93	71	0.00
May 28	94	71	0.00
May 29	92	72	0.00
May 30	98	73	0.00
May 31	95	73	0.00

June 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	97	70	0.00
June 2	97	69	0.00
June 3	99	70	0.00
June 4	96	70	0.00
June 5	95	69	0.00
June 6	93	68	0.15
June 7	84	69	0.00
June 8	96	68	0.00
June 9	97	67	0.00
June 10	95	68	0.00
June 11	97	69	0.00
June 12	98	74	0.00
June 13	98	73	0.00
June 14	100	73	0.00
June 15	100	73	0.02
June 16	97	74	0.00
June 17	98	75	0.00
June 18	99	74	0.00
June 19	98	74	0.00
June 20	98	74	0.00
June 21	98	75	0.00
June 22	94	71	0.29
June 23	81	71	0.27
June 24	87	73	0.02
June 25	101	74	0.00
June 26	99	73	0.00
June 27	100	69	0.00
June 28	99	70	0.00
June 29	97	72	0.00
June 30	94	75	0.00

July 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	100	75	0.00
July 2	99	75	0.00
July 3	99	74	0.00
July 4	98	70	0.00
July 5	97	70	0.00
July 6	98	72	0.00
July 7	98	73	0.00
July 8	99	73	0.00
July 9	99	73	0.00
July 10	100	72	0.00
July 11	100	72	0.00
July 12	99	72	0.00
July 13	99	74	0.00
July 14	100	73	0.00
July 15	97	70	0.00
July 16	99	71	0.00
July 17	101	72	0.00
July 18	96	73	0.96
July 19	95	74	0.00
July 20	99	75	0.00
July 21	100	76	0.00
July 22	98	76	0.00
July 23	100	73	0.00
July 24	101	73	0.00
July 25	102	73	0.00
July 26	102	74	0.00
July 27	102	74	0.00
July 28	100	74	0.00
July 29	102	74	0.00
July 30	100	74	0.00
July 31	103	74	0.00

August 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	104	74	0.00
August 2	104	73	0.00
August 3	105	74	0.00
August 4	105	74	0.00
August 5	103	75	0.00
August 6	101	76	0.00
August 7	96	74	0.00
August 8	103	74	0.00
August 9	103	74	0.00
August 10	103	74	0.00
August 11	102	74	0.00
August 12	100	74	0.00
August 13	100	74	0.00
August 14	104	76	0.02
August 15	102	76	0.00
August 16	103	76	0.00
August 17	103	74	0.00
August 18	103	73	0.00
August 19	100	75	0.00
August 20	103	75	0.00
August 21	105	75	0.00
August 22	104	76	0.00
August 23	105	77	0.00
August 24	106	77	0.00
August 25	104	78	0.00
August 26	103	74	0.00
August 27	102	74	0.00
August 28	100	75	0.00
August 29	91	72	1.77
August 30	92	70	0.89
August 31	97	73	0.00

September 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	96	75	0.00
September 2	93	75	0.05
September 3	89	70	4.92
September 4	93	70	0.16
September 5	96	70	0.00
September 6	99	70	0.00
September 7	99	72	0.00
September 8	95	72	0.00
September 9	95	73	0.00
September 10	97	75	0.00
September 11	97	74	0.00
September 12	97	74	0.00
September 13	97	75	0.00
September 14	98	65	0.71
September 15	87	66	0.06
September 16	91	66	0.00
September 17	91	67	0.00
September 18	96	73	0.00
September 19	97	73	0.00
September 20	97	71	0.00
September 21	95	69	0.00
September 22	95	69	0.00
September 23	95	70	0.00
September 24	92	71	0.00
September 25	97	73	0.00
September 26	98	74	0.00
September 27	99	73	0.00
September 28	97	72	0.00
September 29	97	72	0.00
September 30	97	72	0.00

October 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	97	73	0.00
October 2	99	75	0.00
October 3	97	74	0.03
October 4	84	64	0.03
October 5	87	62	0.00
October 6	89	62	0.00
October 7	91	64	0.00
October 8	95	65	0.00
October 9	100	68	0.00
October 10	89	74	0.00
October 11	97	70	0.00
October 12	85	59	0.39
October 13	75	37	0.00
October 14	79	37	0.00
October 15	85	44	0.00
October 16	89	52	0.00
October 17	85	54	0.00
October 18	88	54	0.00
October 19	89	61	0.00
October 20	90	60	0.00
October 21	90	60	0.00
October 22	90	60	0.00
October 23	90	63	0.02
October 24	85	63	0.04
October 25	79	55	0.02
October 26	80	56	0.00
October 27	84	57	0.00
October 28	79	64	0.03
October 29	88	62	0.01
October 30	88	66	0.00
October 31	91	66	0.00

November 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	91	72	0.00
November 2	89	52	0.00
November 3	77	42	0.00
November 4	85	41	0.00
November 5	80	42	0.00
November 6	86	42	0.00
November 7	88	45	0.00
November 8	90	63	0.00
November 9	85	53	0.00
November 10	68	32	0.00
November 11	70	32	0.00
November 12	70	37	0.00
November 13	78	38	0.00
November 14	81	49	0.00
November 15	84	49	0.00
November 16	82	57	0.00
November 17	84	57	0.00
November 18	88	58	0.00
November 19	89	65	0.00
November 20	90	68	0.00
November 21	94	67	0.00
November 22	89	58	0.00
November 23	79	52	0.00
November 24	85	56	0.00
November 25	83	40	0.00
November 26	86	40	0.00
November 27	80	47	0.00
November 28	92	48	0.00
November 29	89	57	0.00
November 30	67	47	0.01

December 1977 Rio Grande City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	74	43	0.00
December 2	80	43	0.00
December 3	86	48	0.00
December 4	90	58	0.00
December 5	95	42	0.00
December 6	97	42	0.00
December 7	64	48	0.00
December 8	77	54	0.00
December 9	90	54	0.00
December 10	63	42	0.00
December 11	45	39	0.06
December 12	50	41	0.05
December 13	60	49	0.02
December 14	73	38	0.00
December 15	77	34	0.00
December 16	81	35	0.00
December 17	91	47	0.00
December 18	80	37	0.00
December 19	87	42	0.00
December 20	82	48	0.00
December 21	64	32	0.00
December 22	64	20	0.00
December 23	71	30	0.00
December 24	80	40	0.00
December 25	80	43	0.00
December 26	80	43	0.00
December 27	67	43	0.00
December 28	73	45	0.00
December 29	67	56	0.00
December 30	77	50	0.00
December 31	74	55	0.01

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Weather Station Details

Years	Station	Coordinates
1892–2024	Rio Grande City	location