S
M
T
W
T
F
S
29
45°
26°
30
46°
27°
1
47°
32°
2
47°
36°
3
48°
40°
4
48°
40°
5
47°
39°
6
50°
40°
7
49°
36°
8
46°
31°
9
44°
29°
10
45°
28°
11
59°
37°
12
62°
26°
13
62°
25°
14
43°
24°
15
44°
25°
16
45°
24°
17
43°
27°
18
49°
39°
19
54°
41°
20
58°
39°
21
60°
35°
22
58°
39°
23
58°
41°
24
61°
25°
25
62°
23°
26
49°
23°
27
42°
27°
28
50°
36°
29
53°
38°
30
56°
40°
31
58°
41°
1
58°
36°
2
59°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Athens
Athens's December 2026 forecast shows daily high temperatures ranging from 42° to 62°, with overnight lows between 23° and 41°. The average high for December is 52° with an average low of 33°. 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 Athens. See also: January | February | March.
