S
M
T
W
T
F
S
29
52°
33°
30
52°
24°
1
50°
24°
2
47°
22°
3
39°
19°
4
37°
25°
5
42°
24°
6
48°
19°
7
40°
17°
8
35°
21°
9
35°
20°
10
34°
17°
11
35°
16°
12
34°
20°
13
37°
13°
14
35°
11°
15
32°
12°
16
32°
15°
17
Hist. Avg.
38°
22°
18
Hist. Avg.
38°
22°
19
Hist. Avg.
37°
21°
20
Hist. Avg.
37°
21°
21
Hist. Avg.
37°
21°
22
Hist. Avg.
36°
21°
23
Hist. Avg.
36°
20°
24
Hist. Avg.
36°
20°
25
Hist. Avg.
36°
20°
26
Hist. Avg.
36°
20°
27
Hist. Avg.
35°
19°
28
Hist. Avg.
35°
19°
29
Hist. Avg.
35°
19°
30
Hist. Avg.
34°
19°
31
Hist. Avg.
34°
18°
1
Hist. Avg.
34°
18°
2
Hist. Avg.
34°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Saco
Saco's December 2026 forecast shows daily high temperatures ranging from 32° to 52°, with overnight lows between 11° and 33°. The average high for December is 40° with an average low of 20°. 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 Saco. See also: January | February | March.
