S
M
T
W
T
F
S
29
82°
65°
30
83°
58°
1
81°
55°
2
74°
56°
3
74°
59°
4
76°
62°
5
78°
64°
6
81°
63°
7
81°
64°
8
80°
63°
9
81°
63°
10
81°
62°
11
80°
63°
12
81°
63°
13
81°
62°
14
80°
63°
15
80°
63°
16
79°
59°
17
80°
61°
18
76°
60°
19
78°
61°
20
77°
62°
21
80°
61°
22
80°
62°
23
80°
63°
24
81°
61°
25
81°
54°
26
80°
54°
27
72°
61°
28
77°
62°
29
78°
62°
30
79°
63°
31
81°
58°
1
81°
51°
2
80°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Naples
Naples's December 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 51° and 65°. The average high for December is 79° with an average low of 60°. 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 Naples. See also: January | February | March.
