S
M
T
W
T
F
S
29
42°
28°
30
42°
25°
1
43°
28°
2
41°
29°
3
43°
29°
4
41°
28°
5
41°
25°
6
40°
22°
7
37°
21°
8
35°
22°
9
35°
23°
10
38°
28°
11
38°
24°
12
37°
20°
13
37°
21°
14
Hist. Avg.
41°
24°
15
Hist. Avg.
40°
24°
16
Hist. Avg.
40°
24°
17
Hist. Avg.
40°
23°
18
Hist. Avg.
40°
23°
19
Hist. Avg.
39°
23°
20
Hist. Avg.
39°
22°
21
Hist. Avg.
39°
22°
22
Hist. Avg.
39°
22°
23
Hist. Avg.
38°
22°
24
Hist. Avg.
38°
22°
25
Hist. Avg.
38°
21°
26
Hist. Avg.
38°
21°
27
Hist. Avg.
38°
21°
28
Hist. Avg.
38°
21°
29
Hist. Avg.
38°
20°
30
Hist. Avg.
38°
20°
31
Hist. Avg.
37°
20°
1
Hist. Avg.
37°
20°
2
Hist. Avg.
37°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Loyalhanna
Loyalhanna's December 2026 forecast shows daily high temperatures ranging from 35° to 43°, with overnight lows between 20° and 29°. The average high for December is 39° with an average low of 25°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Loyalhanna. See also: January | February | March.
