S
M
T
W
T
F
S
29
45°
34°
30
47°
39°
1
48°
39°
2
48°
38°
3
47°
38°
4
47°
34°
5
46°
39°
6
48°
38°
7
46°
34°
8
43°
34°
9
47°
40°
10
48°
39°
11
48°
39°
12
47°
38°
13
47°
38°
14
45°
37°
15
44°
37°
16
46°
38°
17
46°
37°
18
44°
35°
19
45°
37°
20
46°
37°
21
42°
36°
22
43°
35°
23
46°
36°
24
46°
34°
25
48°
35°
26
48°
34°
27
46°
34°
28
43°
35°
29
41°
36°
30
45°
37°
31
44°
36°
1
44°
36°
2
43°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Crieff
Crieff's December 2026 forecast shows daily high temperatures ranging from 41° to 48°, with overnight lows between 34° and 40°. The average high for December is 46° with an average low of 37°. 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 Crieff. See also: January | February | March.