S
M
T
W
T
F
S
29
68°
48°
30
69°
47°
1
65°
48°
2
69°
49°
3
70°
48°
4
70°
50°
5
68°
47°
6
67°
47°
7
66°
46°
8
68°
47°
9
68°
48°
10
67°
46°
11
65°
46°
12
65°
48°
13
68°
48°
14
69°
47°
15
70°
49°
16
69°
47°
17
69°
46°
18
67°
43°
19
63°
42°
20
63°
42°
21
62°
43°
22
63°
43°
23
64°
42°
24
64°
42°
25
63°
43°
26
64°
41°
27
63°
42°
28
65°
44°
29
64°
45°
30
65°
46°
31
67°
45°
1
64°
42°
2
66°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Border
Border's December 2026 forecast shows daily high temperatures ranging from 62° to 70°, with overnight lows between 41° and 50°. The average high for December is 66° with an average low of 45°. 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 Border. See also: January | February | March.
