S
M
T
W
T
F
S
30
45°
30°
1
44°
38°
2
44°
35°
3
44°
39°
4
42°
36°
5
42°
39°
6
42°
40°
7
41°
36°
8
43°
36°
9
43°
36°
10
47°
35°
11
44°
33°
12
33°
20°
13
31°
21°
14
42°
28°
15
45°
37°
16
44°
42°
17
44°
34°
18
45°
32°
19
46°
43°
20
45°
37°
21
42°
32°
22
36°
19°
23
31°
13°
24
36°
19°
25
45°
32°
26
42°
30°
27
40°
29°
28
38°
27°
29
38°
24°
30
29°
12°
31
18°
4°
1
20°
2°
2
21°
17°
3
19°
12°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Turku
Turku's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Turku. See also: January | February | March.
