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Rio Grande City May Weather

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

Typical Rio Grande City May Weather 1991–2020
Average daily high	94.3 °F
Average daily low	70.7 °F
Average monthly precipitation	2.6 inches
Average monthly snow	none
Daily chance of precipitation	13.8%
Daily chance of snow	0%

Rio Grande City May Weather Records 1892–2024
Highest temperature	112 °F	May 27, 1955
Lowest temperature	46 °F	May 5, 1970
Highest daily low	83 °F	May 19, 1990
Lowest daily high	58 °F	May 2, 1994
Hottest average high temperature	100.1 °F	1998
Coldest average high temperature	85.6 °F	1966
Most daily precipitation	6.3 inches	May 4, 1904
Most monthly precipitation	12.7 inches	2015
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
May 1	91.9	67.6	107	48
May 2	92.1	67.8	112	48
May 3	92.3	68.0	107	48
May 4	92.4	68.2	105	46
May 5	92.6	68.3	111	46
May 6	92.7	68.4	105	48
May 7	92.8	68.5	108	51
May 8	92.9	68.8	107	50
May 9	93.0	69.0	105	51
May 10	93.1	69.2	106	52
May 11	93.3	69.4	105	54
May 12	93.4	69.7	108	48
May 13	93.6	69.9	106	52
May 14	93.7	70.1	111	50
May 15	93.9	70.3	105	50
May 16	94.0	70.5	105	52
May 17	94.2	70.7	110	50
May 18	94.5	71.0	107	50
May 19	94.7	71.2	112	52
May 20	94.8	71.3	105	55
May 21	95.0	71.5	105	55
May 22	95.1	71.6	109	53
May 23	95.3	71.7	110	53
May 24	95.4	71.9	109	55
May 25	95.5	71.9	105	55
May 26	95.6	72.0	105	56
May 27	95.8	72.1	112	57
May 28	95.9	72.3	106	60
May 29	96.1	72.5	105	56
May 30	96.3	72.7	104	58
May 31	96.5	72.9	109	56

Weather Station Details

Years	Station	Coordinates
1892–2024	Rio Grande City	location