S
M
T
W
T
F
S
29
47°
33°
30
43°
24°
1
38°
21°
2
37°
20°
3
39°
24°
4
37°
25°
5
36°
33°
6
40°
28°
7
43°
20°
8
39°
21°
9
36°
22°
10
37°
20°
11
39°
30°
12
41°
32°
13
42°
32°
14
43°
25°
15
42°
26°
16
36°
20°
17
37°
17°
18
36°
19°
19
35°
22°
20
35°
29°
21
38°
18°
22
40°
18°
23
37°
20°
24
38°
26°
25
40°
26°
26
40°
25°
27
39°
18°
28
36°
18°
29
35°
24°
30
38°
30°
31
39°
19°
1
38°
16°
2
35°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Pleasant Grove
Pleasant Grove's December 2026 forecast shows daily high temperatures ranging from 35° to 47°, with overnight lows between 16° and 33°. The average high for December is 39° with an average low of 23°. 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 Pleasant Grove. See also: January | February | March.
