Weather Averages for Helsinki Vantaa, Finland
7-day Forecast / 10-day Forecast
| Wednesday |
|
High: 30°F Low: 17°F |
Overcast |
|
| Thursday |
|
High: 23°F Low: 12°F |
Cloudy |
|
| Friday |
|
High: 26°F Low: 22°F |
Moderate snow |
|
| Saturday |
|
High: 28°F Low: 17°F |
Cloudy |
|
| Sunday |
|
High: 34°F Low: 28°F |
Heavy snow |
|
Average temperature over 21 years |
°F |
41 |
21 |
21 |
28 |
37 |
50 |
57 |
62 |
59 |
50 |
41 |
32 |
24 |
Average high temperature over 21 years |
°F |
46 |
26 |
26 |
34 |
44 |
59 |
66 |
69 |
66 |
55 |
46 |
36 |
30 |
Average low temperature over 21 years |
°F |
34 |
16 |
15 |
23 |
31 |
41 |
48 |
53 |
51 |
43 |
36 |
28 |
19 |
Highest recorded temperature over 21 years |
°F |
87 |
44 |
50 |
55 |
69 |
82 |
86 |
87 |
87 |
77 |
62 |
50 |
48 |
Lowest recorded temperature over 21 years |
°F |
-32 |
-32 |
-22 |
-14 |
12 |
24 |
30 |
39 |
34 |
19 |
10 |
-4 |
-25 |
Average precipitation over 146 years |
in |
24.9 |
1.8 |
1.4 |
1.4 |
1.5 |
1.7 |
1.8 |
2.4 |
2.9 |
2.6 |
2.7 |
2.6 |
2.2 |
Average dew point over 21 years |
°F |
34 |
17 |
17 |
23 |
28 |
37 |
46 |
51 |
51 |
44 |
37 |
28 |
21 |
Most recorded rainfall over 146 years |
in |
37.1 |
4.6 |
4.4 |
4.4 |
4.0 |
4.2 |
4.8 |
7.6 |
7.6 |
6.3 |
7.1 |
5.9 |
5.0 |
Least recorded rainfall over 146 years |
in |
14.3 |
0.3 |
0.1 |
0.1 |
0.1 |
- |
0.1 |
0.1 |
0.3 |
0.2 |
0.3 |
0.4 |
0.3 |
Average number of days with thunderstorms over 20 years |
days |
16 |
- |
- |
- |
- |
1 |
4 |
5 |
4 |
2 |
- |
- |
- |
Average number of days with fog over 20 years |
days |
188 |
15 |
16 |
18 |
14 |
13 |
14 |
18 |
19 |
17 |
16 |
15 |
13 |
Average morning relative humidity over 21 years |
% |
89 |
88 |
89 |
89 |
87 |
84 |
85 |
90 |
93 |
93 |
91 |
90 |
89 |
Average evening relative humidity over 21 years |
% |
72 |
87 |
82 |
74 |
59 |
51 |
55 |
59 |
66 |
72 |
80 |
88 |
88 |
Average wind speed over 21 years |
mph |
10.0 |
8.0 |
8.0 |
12.0 |
10.0 |
10.0 |
10.0 |
9.0 |
10.0 |
6.0 |
6.0 |
12.0 |
13.0 |
Average number of days below 32°F over 21 years |
days |
169 |
29 |
27 |
28 |
20 |
3 |
- |
- |
- |
3 |
11 |
20 |
28 |
Average number of days below 0°F over 21 years |
days |
13 |
5 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
3 |
Average number of days above 65°F over 21 years |
days |
66 |
- |
- |
- |
1 |
9 |
15 |
23 |
17 |
2 |
- |
- |
- |
Average number of days above 50°F over 21 years |
days |
163 |
- |
- |
1 |
8 |
27 |
30 |
31 |
31 |
26 |
10 |
- |
- |
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