S
M
T
W
T
F
S
29
85°
79°
30
85°
80°
1
86°
78°
2
85°
80°
3
85°
80°
4
86°
79°
5
85°
79°
6
85°
80°
7
86°
80°
8
85°
79°
9
85°
79°
10
86°
80°
11
85°
80°
12
85°
79°
13
84°
79°
14
87°
77°
15
87°
79°
16
88°
78°
17
88°
79°
18
87°
78°
19
88°
79°
20
88°
79°
21
89°
78°
22
89°
79°
23
88°
79°
24
88°
78°
25
87°
77°
26
88°
78°
27
87°
77°
28
88°
78°
29
87°
77°
30
88°
78°
31
88°
78°
1
87°
77°
2
88°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mesor
Mesor's December 2026 forecast shows daily high temperatures ranging from 84° to 89°, with overnight lows between 77° and 80°. The average high for December is 87° with an average low of 79°. 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 Mesor. See also: January | February | March.