Weather in Helsinki in October
In an average October, Helsinki sees a daily high around 9°C and a low around 4°C, based on 1980–2026 of local climate records.
| Average high | 9°C |
|---|---|
| Typical high range | 4°C to 12°C |
| Average low | 4°C |
| Typical low range | -1°C to 9°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
17°C
1984-10-03
Lowest
-5°C
1992-10-30
Low
Highest
13°C
1999-10-03
Lowest
-13°C
1992-10-31
Feels-like
Highest
13°C
1999-10-03
Lowest
-23°C
1992-10-31
Humidity
Highest
11.0 g/m³
1999-10-01
Lowest
2.4 g/m³
1988-10-30
Wind
Highest
41 km/h
1998-10-18
Lowest
5 km/h
2009-10-20
Gust
Highest
86 km/h
1994-10-01
Lowest
12 km/h
2007-10-21
Precip
Wettest
156 mm
2006
Driest
11 mm
2015
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