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