Average data for 10 years
1 October
Tuesday
+11°
+8°
2 October
Wednesday
+11°
+9°
3 October
Thursday
+12°
+9°
4 October
Friday
+10°
+9°
5 October
Saturday
+10°
+7°
6 October
Sunday
+10°
+8°
7 October
Monday
+10°
+8°
8 October
Tuesday
+9°
+7°
9 October
Wednesday
+9°
+7°
10 October
Thursday
+9°
+7°
11 October
Friday
+8°
+6°
12 October
Saturday
+8°
+6°
13 October
Sunday
+7°
+4°
14 October
Monday
+7°
+5°
15 October
Tuesday
+7°
+5°
16 October
Wednesday
+8°
+5°
17 October
Thursday
+6°
+6°
18 October
Friday
+7°
+5°
19 October
Saturday
+7°
+6°
20 October
Sunday
+6°
+5°
21 October
Monday
+5°
+4°
22 October
Tuesday
+6°
+4°
23 October
Wednesday
+6°
+5°
24 October
Thursday
+7°
+6°
25 October
Friday
+6°
+5°
26 October
Saturday
+6°
+5°
27 October
Sunday
+7°
+5°
28 October
Monday
+7°
+6°
29 October
Tuesday
+6°
+4°
30 October
Wednesday
+6°
+4°
31 October
Thursday
+6°
+5°
Cities with similar weather in October
Latvia
Riga
Sweden
Stockholm
Kyrgyzstan
Cholpon-Ata
Iceland
Reykyavik
Norway
Oslo
In October, the weather in Helsinki is typically cold. Average daily high temperature in October is about 8 degrees above zero. On average, Helsinki has 15 rainy, 8 cloudy, 5 sunny, and 3 partly cloudy days in October. The rains are usually moderate. October as well as March, April, and November is considered the most uncomfortable time to visit Helsinki.