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Monthly Historical Averages
McAllen, TX
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January
Average Temperature
High
21°
Feels 21
Low
10°
Feels 9
Average Precipitation
4 Days
Rain amount
18mm
Snow amount
0.2cm
Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
26°
2
30°
3
31°
4
26°
5
29°
6
30°
7
29°
8
28°
9
28°
10
27°
11
19°
12
18°
13
20°
14
18°
15
20°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Thursday, January 1, 2026
Day
26°
Feels 26
Wind
18 km/h S
Gust
27 km/h
Humidity
44%
P.O.P
20%
Night
17°
Feels 17
Wind
16 km/h S
Gust
25 km/h
Humidity
90%
P.O.P
20%
Historical Averages
Jan 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.