S
M
T
W
T
F
S
26
78°
68°
27
75°
70°
28
75°
70°
29
76°
70°
30
75°
71°
1
74°
71°
2
74°
70°
3
75°
70°
4
74°
71°
5
74°
70°
6
75°
71°
7
74°
71°
8
74°
70°
9
75°
70°
10
74°
71°
11
74°
71°
12
75°
70°
13
74°
71°
14
74°
71°
15
73°
70°
16
73°
71°
17
74°
71°
18
73°
70°
19
73°
72°
20
74°
72°
21
74°
71°
22
74°
72°
23
74°
72°
24
75°
71°
25
76°
70°
26
77°
70°
27
77°
70°
28
76°
69°
29
76°
69°
30
77°
70°
31
76°
71°
1
77°
72°
2
78°
71°
3
78°
71°
4
77°
70°
5
78°
71°
6
78°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
Diy-December Weather in Santa Maria
Santa Maria's Diy-December 2026 forecast shows daily high temperatures ranging from 73° to 78°, with overnight lows between 68° and 72°. The average high for Diy-December is 75° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how Diy-December weather will actually feel in Santa Maria. See also: June | July | August.
