S
M
T
W
T
F
S
29
53°
34°
30
58°
39°
1
61°
40°
2
56°
32°
3
64°
29°
4
51°
26°
5
48°
28°
6
50°
31°
7
56°
34°
8
60°
38°
9
46°
27°
10
60°
39°
11
60°
39°
12
Hist. Avg.
54°
33°
13
Hist. Avg.
54°
32°
14
Hist. Avg.
53°
32°
15
Hist. Avg.
53°
32°
16
Hist. Avg.
53°
32°
17
Hist. Avg.
53°
32°
18
Hist. Avg.
53°
32°
19
Hist. Avg.
52°
31°
20
Hist. Avg.
52°
31°
21
Hist. Avg.
52°
31°
22
Hist. Avg.
52°
31°
23
Hist. Avg.
52°
31°
24
Hist. Avg.
52°
31°
25
Hist. Avg.
52°
31°
26
Hist. Avg.
52°
31°
27
Hist. Avg.
52°
30°
28
Hist. Avg.
52°
30°
29
Hist. Avg.
52°
30°
30
Hist. Avg.
51°
30°
31
Hist. Avg.
51°
30°
1
Hist. Avg.
51°
30°
2
Hist. Avg.
51°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Leesburg
Leesburg's December 2026 forecast shows daily high temperatures ranging from 46° to 64°, with overnight lows between 26° and 40°. The average high for December is 56° with an average low of 34°. 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 Leesburg. See also: January | February | March.