Weather in Helsinki in October
In an average October, Helsinki sees a daily high around 8°C and a low around 3°C, based on 1980–2026 of local climate records.
| Average high | 8°C |
|---|---|
| Typical high range | 4°C to 12°C |
| Average low | 3°C |
| Typical low range | -3°C to 8°C |
| Average daily precipitation | 3 mm |
October records
The most extreme October on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
18°C
1984-10-03
Lowest
-5°C
1992-10-30
Low
Highest
13°C
1999-10-03
Lowest
-13°C
2002-10-20
Feels-like
Highest
13°C
1999-10-03
Lowest
-21°C
2003-10-27
Humidity
Highest
11.1 g/m³
2006-10-04
Lowest
2.1 g/m³
1988-10-30
Wind
Highest
36 km/h
2006-10-28
Lowest
5 km/h
1991-10-30
Gust
Highest
86 km/h
1994-10-01
Lowest
11 km/h
1999-10-20
Precip
Wettest
139 mm
2006
Driest
10 mm
2015
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