S
M
T
W
T
F
S
29
46°
34°
30
48°
38°
1
50°
37°
2
49°
37°
3
50°
35°
4
46°
33°
5
48°
32°
6
47°
35°
7
48°
33°
8
41°
30°
9
38°
29°
10
38°
27°
11
36°
32°
12
38°
29°
13
39°
29°
14
38°
24°
15
36°
24°
16
37°
25°
17
38°
26°
18
37°
30°
19
42°
29°
20
43°
21°
21
37°
22°
22
34°
23°
23
32°
22°
24
36°
23°
25
37°
22°
26
41°
15°
27
34°
13°
28
29°
14°
29
31°
10°
30
31°
21°
31
34°
25°
1
45°
18°
2
42°
15°
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 29° to 50°, with overnight lows between 10° and 38°. The average high for December is 40° with an average low of 26°. 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.
