S
M
T
W
T
F
S
29
60°
49°
30
59°
50°
1
63°
43°
2
59°
46°
3
57°
50°
4
57°
52°
5
60°
50°
6
62°
51°
7
61°
50°
8
60°
49°
9
58°
48°
10
60°
44°
11
59°
42°
12
58°
49°
13
56°
49°
14
57°
49°
15
Hist. Avg.
58°
44°
16
Hist. Avg.
58°
44°
17
Hist. Avg.
58°
44°
18
Hist. Avg.
58°
44°
19
Hist. Avg.
58°
44°
20
Hist. Avg.
58°
44°
21
Hist. Avg.
58°
44°
22
Hist. Avg.
58°
44°
23
Hist. Avg.
58°
44°
24
Hist. Avg.
58°
44°
25
Hist. Avg.
57°
44°
26
Hist. Avg.
57°
44°
27
Hist. Avg.
57°
44°
28
Hist. Avg.
57°
44°
29
Hist. Avg.
57°
44°
30
Hist. Avg.
57°
44°
31
Hist. Avg.
57°
44°
1
Hist. Avg.
57°
44°
2
Hist. Avg.
57°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Hillsborough
Hillsborough's December 2026 forecast shows daily high temperatures ranging from 56° to 63°, with overnight lows between 42° and 52°. The average high for December is 59° with an average low of 48°. 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 Hillsborough. See also: January | February | March.
