S
M
T
W
T
F
S
29
55°
38°
30
55°
35°
1
54°
28°
2
41°
25°
3
44°
33°
4
54°
36°
5
50°
35°
6
40°
30°
7
40°
24°
8
38°
21°
9
38°
25°
10
43°
29°
11
44°
27°
12
50°
28°
13
46°
29°
14
41°
25°
15
43°
26°
16
42°
28°
17
40°
24°
18
39°
20°
19
38°
19°
20
37°
17°
21
35°
21°
22
37°
26°
23
41°
23°
24
38°
20°
25
37°
18°
26
36°
21°
27
37°
19°
28
37°
18°
29
36°
23°
30
36°
20°
31
37°
17°
1
36°
13°
2
34°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Henley
Henley's December 2026 forecast shows daily high temperatures ranging from 34° to 55°, with overnight lows between 13° and 38°. The average high for December is 41° with an average low of 24°. 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 Henley. See also: January | February | March.