S
M
T
W
T
F
S
29
55°
40°
30
57°
43°
1
62°
43°
2
62°
42°
3
61°
43°
4
58°
41°
5
55°
40°
6
51°
38°
7
51°
31°
8
46°
29°
9
45°
27°
10
44°
26°
11
44°
25°
12
45°
25°
13
45°
28°
14
50°
39°
15
51°
40°
16
49°
37°
17
46°
31°
18
56°
37°
19
53°
33°
20
50°
34°
21
44°
27°
22
47°
34°
23
52°
24°
24
47°
22°
25
42°
20°
26
41°
27°
27
43°
36°
28
53°
38°
29
56°
25°
30
57°
24°
31
47°
30°
1
51°
21°
2
50°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Loretto
Loretto's December 2026 forecast shows daily high temperatures ranging from 41° to 62°, with overnight lows between 17° and 43°. The average high for December is 50° with an average low of 32°. 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 Loretto. See also: January | February | March.