S
M
T
W
T
F
S
29
84°
76°
30
84°
76°
1
85°
76°
2
83°
75°
3
84°
76°
4
85°
76°
5
84°
75°
6
84°
76°
7
86°
76°
8
84°
75°
9
84°
76°
10
84°
75°
11
86°
73°
12
87°
73°
13
86°
72°
14
86°
73°
15
85°
74°
16
86°
74°
17
85°
73°
18
85°
73°
19
86°
74°
20
86°
73°
21
85°
73°
22
86°
72°
23
85°
74°
24
86°
72°
25
86°
74°
26
85°
73°
27
86°
73°
28
85°
72°
29
85°
72°
30
84°
71°
31
84°
71°
1
85°
72°
2
84°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Petronella
Petronella's December 2026 forecast shows daily high temperatures ranging from 83° to 87°, with overnight lows between 71° and 76°. The average high for December is 85° with an average low of 74°. 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 Petronella. See also: January | February | March.