S
M
T
W
T
F
S
29
35°
21°
30
35°
19°
1
29°
19°
2
29°
18°
3
28°
18°
4
29°
17°
5
29°
17°
6
31°
16°
7
31°
16°
8
30°
15°
9
30°
15°
10
31°
16°
11
30°
14°
12
29°
13°
13
25°
12°
14
22°
12°
15
26°
13°
16
26°
13°
17
30°
12°
18
27°
12°
19
25°
11°
20
24°
11°
21
24°
10°
22
23°
10°
23
27°
9°
24
21°
5°
25
16°
2°
26
16°
6°
27
19°
5°
28
23°
6°
29
25°
-5°
30
23°
-8°
31
17°
-8°
1
11°
-7°
2
11°
0°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Pengilly
Pengilly's December 2026 forecast shows daily high temperatures ranging from 11° to 35°, with overnight lows between -8° and 21°. The average high for December is 25° with an average low of 10°. 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 Pengilly. See also: January | February | March.