Weather in Helsinki, Uusimaa, Finland in October
In an average October, Helsinki sees a daily high around 9°C and a low around 6°C, based on 1981–2026 of local climate records.
| Average high | 9°C |
|---|---|
| Typical high range | 5°C to 12°C |
| Average low | 6°C |
| Typical low range | 2°C to 10°C |
| Average daily precipitation | 3 mm |
October records
The most extreme October on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
16°C
1999-10-03
Lowest
-3°C
1992-10-30
Low
Highest
13°C
2020-10-05
Lowest
-5°C
1992-10-31
Feels-like
Highest
13°C
2020-10-05
Lowest
-14°C
1992-10-31
Humidity
Highest
11.2 g/m³
1999-10-01
Lowest
2.9 g/m³
2002-10-21
Wind
Highest
60 km/h
1998-10-18
Lowest
6 km/h
1991-10-30
Precip
Wettest
156 mm
1981
Driest
16 mm
2015
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