S
M
T
W
T
F
S
29
38°
22°
30
37°
30°
1
47°
28°
2
48°
29°
3
41°
31°
4
48°
22°
5
50°
24°
6
35°
19°
7
36°
23°
8
37°
18°
9
36°
15°
10
32°
16°
11
29°
16°
12
30°
14°
13
30°
16°
14
31°
15°
15
31°
16°
16
32°
19°
17
34°
21°
18
34°
24°
19
35°
27°
20
36°
25°
21
37°
22°
22
36°
19°
23
32°
18°
24
33°
20°
25
32°
24°
26
36°
23°
27
34°
22°
28
35°
21°
29
34°
20°
30
33°
15°
31
Hist. Avg.
33°
14°
1
Hist. Avg.
33°
14°
2
Hist. Avg.
33°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Barrington
Barrington's December 2026 forecast shows daily high temperatures ranging from 29° to 50°, with overnight lows between 14° and 31°. The average high for December is 36° with an average low of 21°. 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 Barrington. See also: January | February | March.
