S
M
T
W
T
F
S
29
37°
25°
30
37°
23°
1
36°
27°
2
33°
27°
3
37°
26°
4
36°
24°
5
32°
28°
6
38°
28°
7
38°
26°
8
36°
26°
9
36°
28°
10
37°
27°
11
37°
24°
12
35°
23°
13
34°
24°
14
33°
25°
15
35°
24°
16
36°
24°
17
37°
23°
18
37°
20°
19
33°
20°
20
27°
18°
21
27°
16°
22
25°
15°
23
24°
21°
24
28°
21°
25
30°
23°
26
35°
22°
27
34°
21°
28
31°
19°
29
28°
21°
30
29°
23°
31
33°
23°
1
35°
22°
2
34°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Vantaa
Vantaa's December 2026 forecast shows daily high temperatures ranging from 24° to 38°, with overnight lows between 15° and 28°. The average high for December is 33° with an average low of 23°. 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 Vantaa. See also: January | February | March.
