S
M
T
W
T
F
S
29
49°
40°
30
60°
40°
1
57°
42°
2
60°
38°
3
48°
35°
4
54°
33°
5
56°
40°
6
56°
35°
7
46°
34°
8
45°
28°
9
45°
29°
10
44°
25°
11
43°
25°
12
43°
26°
13
45°
25°
14
45°
26°
15
46°
31°
16
46°
36°
17
47°
37°
18
53°
31°
19
51°
24°
20
45°
23°
21
42°
23°
22
43°
25°
23
45°
28°
24
43°
24°
25
43°
23°
26
41°
23°
27
42°
24°
28
42°
23°
29
43°
28°
30
47°
29°
31
51°
24°
1
45°
20°
2
41°
19°
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 41° to 60°, with overnight lows between 19° and 42°. The average high for December is 47° with an average low of 29°. 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.
