S
M
T
W
T
F
S
29
57°
40°
30
61°
34°
1
56°
38°
2
59°
40°
3
60°
35°
4
55°
36°
5
59°
38°
6
61°
41°
7
59°
35°
8
59°
38°
9
57°
35°
10
57°
29°
11
45°
25°
12
43°
28°
13
52°
22°
14
44°
22°
15
41°
29°
16
46°
30°
17
42°
26°
18
47°
24°
19
44°
31°
20
49°
37°
21
53°
36°
22
55°
35°
23
49°
29°
24
50°
27°
25
42°
27°
26
52°
36°
27
37°
19°
28
46°
33°
29
51°
28°
30
Hist. Avg.
49°
24°
31
Hist. Avg.
49°
24°
1
Hist. Avg.
49°
24°
2
Hist. Avg.
49°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Harriet
Harriet's December 2026 forecast shows daily high temperatures ranging from 37° to 61°, with overnight lows between 19° and 41°. The average high for December is 51° with an average low of 32°. 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 Harriet. See also: January | February | March.
