The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
McAllen, TX
Content continues below
May
Average Temperature
High
32°
Feels 35
Low
22°
Feels 23
Average Precipitation
16 Days
Rain amount
120.6mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
34°
17
34°
18
36°
19
35°
20
33°
21
31°
22
31°
23
32°
24
33°
25
33°
26
33°
27
33°
28
32°
29
32°
30
32°
31
Forecast
Saturday, May 16, 2026
Day
34°
Feels 37
Wind
28 km/h SE
Gust
42 km/h
Humidity
45%
P.O.P
30%
Night
26°
Feels 28
Wind
31 km/h SE
Gust
46 km/h
Humidity
85%
P.O.P
30%
Historical Averages
May 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.