Weather in Helsinki, Uusimaa, Finland in May
In an average May, Helsinki sees a daily high around 11°C and a low around 5°C, based on 1981–2026 of local climate records.
| Average high | 11°C |
|---|---|
| Typical high range | 7°C to 15°C |
| Average low | 5°C |
| Typical low range | 2°C to 9°C |
| Average daily precipitation | 3 mm |
May records
The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
22°C
2024-05-30
Lowest
3°C
1981-05-01
Low
Highest
17°C
2024-05-31
Lowest
-2°C
1999-05-03
Feels-like
Highest
22°C
2024-05-30
Lowest
-7°C
1999-05-02
Humidity
Highest
13.1 g/m³
2024-05-31
Lowest
3.4 g/m³
1999-05-09
Wind
Highest
48 km/h
1995-05-14
Lowest
5 km/h
1995-05-31
Precip
Wettest
90 mm
2019
Driest
7 mm
2024
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