S
M
T
W
T
F
S
29
61°
26°
30
60°
24°
1
59°
23°
2
58°
24°
3
60°
25°
4
60°
23°
5
59°
23°
6
58°
24°
7
58°
22°
8
56°
22°
9
57°
23°
10
59°
23°
11
63°
24°
12
62°
25°
13
65°
27°
14
62°
24°
15
60°
22°
16
61°
23°
17
60°
22°
18
59°
20°
19
58°
22°
20
60°
22°
21
63°
23°
22
59°
21°
23
59°
21°
24
61°
22°
25
63°
24°
26
61°
27°
27
66°
23°
28
57°
22°
29
60°
23°
30
63°
24°
31
65°
24°
1
63°
27°
2
67°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in St. David
St. David's December 2026 forecast shows daily high temperatures ranging from 56° to 67°, with overnight lows between 20° and 28°. The average high for December is 61° with an average low of 23°. 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 St. David. See also: January | February | March.
