S
M
T
W
T
F
S
29
58°
33°
30
55°
32°
1
55°
32°
2
56°
33°
3
57°
34°
4
58°
33°
5
60°
41°
6
58°
37°
7
54°
40°
8
55°
36°
9
61°
42°
10
54°
35°
11
Hist. Avg.
60°
39°
12
Hist. Avg.
60°
39°
13
Hist. Avg.
59°
39°
14
Hist. Avg.
59°
39°
15
Hist. Avg.
59°
38°
16
Hist. Avg.
59°
38°
17
Hist. Avg.
59°
38°
18
Hist. Avg.
58°
38°
19
Hist. Avg.
58°
38°
20
Hist. Avg.
58°
38°
21
Hist. Avg.
58°
38°
22
Hist. Avg.
58°
38°
23
Hist. Avg.
58°
38°
24
Hist. Avg.
58°
38°
25
Hist. Avg.
58°
38°
26
Hist. Avg.
58°
38°
27
Hist. Avg.
58°
38°
28
Hist. Avg.
57°
38°
29
Hist. Avg.
57°
38°
30
Hist. Avg.
57°
38°
31
Hist. Avg.
57°
38°
1
Hist. Avg.
57°
38°
2
Hist. Avg.
57°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Three Rivers
Three Rivers's December 2026 forecast shows daily high temperatures ranging from 54° to 61°, with overnight lows between 32° and 42°. The average high for December is 57° with an average low of 36°. 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 Three Rivers. See also: January | February | March.
