McAllen May Weather

Averages and records for weather in McAllen, Texas in the month of May.
Typical McAllen May Weather
1991–2020
Average daily high 92.3 °F
Average daily low 72.9 °F
Average monthly precipitation 2.0 inches
Daily chance of precipitation 14.0%
McAllen May Weather Records
1941–2024
Highest temperature 110 °F May 4, 1999
Lowest temperature 50 °F May 4, 1954
Highest daily low 82 °F May 27, 2017
Lowest daily high 60 °F May 1, 1994
Hottest average high temperature 96.4 °F 2018
Coldest average high temperature 84.5 °F 1966
Most daily precipitation 4.3 inches May 3, 1981
Most monthly precipitation 7.9 inches 1966
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
May 1 90.2 70.4 104 57
May 2 90.3 70.5 106 54
May 3 90.5 70.7 107 51
May 4 90.6 70.9 110 50
May 5 90.8 71.0 106 52
May 6 90.9 71.1 100 50
May 7 91.0 71.2 100 54
May 8 91.1 71.4 104 56
May 9 91.2 71.6 103 59
May 10 91.4 71.7 102 54
May 11 91.5 71.9 106 55
May 12 91.6 72.1 104 50
May 13 91.8 72.3 103 57
May 14 92.0 72.5 98 53
May 15 92.1 72.7 100 54
May 16 92.3 72.9 100 51
May 17 92.5 73.1 102 53
May 18 92.8 73.2 100 57
May 19 92.9 73.4 103 58
May 20 93.1 73.5 100 60
May 21 93.3 73.7 100 63
May 22 93.5 73.8 101 60
May 23 93.6 73.9 103 59
May 24 93.8 73.9 99 60
May 25 94.0 74.0 103 62
May 26 94.1 74.1 102 63
May 27 94.3 74.3 107 58
May 28 94.5 74.4 101 60
May 29 94.7 74.6 102 64
May 30 94.9 74.7 103 64
May 31 95.0 74.9 106 60
Weather Station Details
Years Station Coordinates
1961–2024 McAllen Miller International Airport location
1941–1960 McAllen location