S
M
T
W
T
F
S
29
52°
41°
30
58°
41°
1
55°
39°
2
50°
33°
3
44°
31°
4
49°
33°
5
54°
39°
6
49°
35°
7
43°
27°
8
41°
24°
9
41°
24°
10
42°
30°
11
42°
31°
12
43°
29°
13
45°
26°
14
43°
24°
15
42°
29°
16
43°
32°
17
42°
30°
18
48°
27°
19
45°
23°
20
42°
22°
21
39°
23°
22
40°
24°
23
44°
26°
24
41°
24°
25
40°
22°
26
40°
21°
27
41°
21°
28
38°
22°
29
39°
22°
30
40°
23°
31
40°
21°
1
39°
17°
2
38°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Crofton
Crofton's December 2026 forecast shows daily high temperatures ranging from 38° to 58°, with overnight lows between 16° and 41°. The average high for December is 44° with an average low of 27°. 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 Crofton. See also: January | February | March.