S
M
T
W
T
F
S
29
26°
1°
30
19°
17°
1
27°
16°
2
30°
15°
3
29°
16°
4
30°
15°
5
29°
17°
6
28°
17°
7
28°
14°
8
27°
-1°
9
25°
-2°
10
16°
8°
11
17°
12°
12
23°
6°
13
24°
1°
14
21°
5°
15
18°
10°
16
19°
11°
17
18°
-5°
18
20°
-9°
19
17°
8°
20
25°
4°
21
27°
-5°
22
21°
-8°
23
9°
4°
24
11°
10°
25
19°
9°
26
25°
6°
27
26°
2°
28
25°
-4°
29
12°
8°
30
15°
11°
31
24°
13°
1
23°
7°
2
Hist. Avg.
10°
-5°
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 9° to 30°, with overnight lows between -9° and 17°. The average high for December is 22° with an average low of 7°. 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.
