S
M
T
W
T
F
S
29
44°
31°
30
46°
34°
1
50°
39°
2
50°
36°
3
51°
37°
4
54°
41°
5
55°
31°
6
42°
29°
7
42°
37°
8
53°
41°
9
53°
39°
10
48°
40°
11
51°
40°
12
50°
37°
13
45°
32°
14
40°
28°
15
39°
28°
16
38°
29°
17
40°
32°
18
44°
37°
19
51°
37°
20
48°
39°
21
51°
36°
22
42°
33°
23
42°
33°
24
49°
36°
25
37°
24°
26
37°
29°
27
38°
33°
28
39°
34°
29
53°
31°
30
52°
29°
31
40°
29°
1
40°
26°
2
41°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lansdowne
Lansdowne's December 2026 forecast shows daily high temperatures ranging from 37° to 55°, with overnight lows between 22° and 41°. The average high for December is 46° with an average low of 33°. 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 Lansdowne. See also: January | February | March.
