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Rio Grande City August Weather

Averages and records for weather in Rio Grande City, Texas in the month of August.

Typical Rio Grande City August Weather 1991–2020
Average daily high	99.6 °F
Average daily low	75.6 °F
Average monthly precipitation	1.5 inches
Average monthly snow	none
Daily chance of precipitation	13.2%
Daily chance of snow	0%

Rio Grande City August Weather Records 1892–2024
Highest temperature	110 °F	August 14, 1998
Lowest temperature	60 °F	August 15, 1967
Highest daily low	90 °F	August 19, 1901
Lowest daily high	75 °F	August 31, 2007
Hottest average high temperature	105.1 °F	1997
Coldest average high temperature	93.7 °F	1973
Most daily precipitation	5.0 inches	August 29, 1981
Most monthly precipitation	10.5 inches	1981
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	100.6	76.2	108	65
August 2	100.6	76.2	109	65
August 3	100.6	76.2	108	63
August 4	100.6	76.2	108	62
August 5	100.6	76.2	108	60
August 6	100.7	76.2	108	66
August 7	100.6	76.2	108	68
August 8	100.5	76.2	108	61
August 9	100.5	76.2	109	61
August 10	100.5	76.1	108	67
August 11	100.4	76.1	108	69
August 12	100.3	76.0	106	65
August 13	100.2	76.0	110	60
August 14	100.1	75.9	110	60
August 15	100.0	75.8	109	60
August 16	99.9	75.8	108	61
August 17	99.8	75.7	106	64
August 18	99.6	75.6	107	65
August 19	99.4	75.6	108	67
August 20	99.3	75.5	107	65
August 21	99.2	75.4	108	68
August 22	99.0	75.3	108	65
August 23	98.8	75.2	109	66
August 24	98.6	75.1	109	66
August 25	98.4	75.0	106	66
August 26	98.2	74.9	105	62
August 27	98.0	74.8	107	66
August 28	97.8	74.7	107	64
August 29	97.7	74.6	107	64
August 30	97.5	74.5	106	65
August 31	97.4	74.4	106	68

Weather Station Details

Years	Station	Coordinates
1892–2024	Rio Grande City	location