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°C
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Monthly Historical Averages
Harlingen, TX
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December
Average Temperature
High
22°
Feels 22
Low
12°
Feels 11
Average Precipitation
4 Days
Rain amount
25.2mm
Snow amount
0cm
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Daily Historical Averages
December 2025
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
28°
25
28°
26
29°
27
29°
28
29°
29
20°
30
13°
31
18°
Forecast
Wednesday, December 24, 2025
Day
28°
Feels 29
Wind
16 km/h SE
Gust
24 km/h
Humidity
57%
P.O.P
20%
Night
19°
Feels 20
Wind
14 km/h SE
Gust
21 km/h
Humidity
96%
P.O.P
0%
Historical Averages
Dec 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.