S
M
T
W
T
F
S
29
44°
32°
30
43°
32°
1
45°
36°
2
50°
39°
3
50°
34°
4
44°
32°
5
41°
31°
6
41°
33°
7
46°
32°
8
42°
33°
9
48°
32°
10
43°
32°
11
47°
35°
12
47°
37°
13
45°
37°
14
47°
36°
15
47°
36°
16
46°
35°
17
47°
36°
18
47°
37°
19
46°
36°
20
47°
36°
21
48°
36°
22
47°
36°
23
49°
35°
24
47°
36°
25
47°
36°
26
46°
35°
27
46°
37°
28
47°
37°
29
48°
36°
30
46°
37°
31
48°
37°
1
48°
36°
2
47°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Hemel Hempstead
Hemel Hempstead's December 2026 forecast shows daily high temperatures ranging from 41° to 50°, with overnight lows between 31° and 39°. The average high for December is 46° with an average low of 35°. 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 Hemel Hempstead. See also: January | February | March.
