Helsinki Weather in June
In June, Helsinki averages a high of 19°C (66°F) and a low of 11°C (52°F), from 56 years of daily records (1971–2026).
19°C
Average high
66°F
11°C
Average low
52°F
31°C
Record high
87°F · June 28, 1972
2°C
Record low
36°F · June 2, 1975
What June Is Like in Helsinki
- The June heat record, 31°C (87°F) on June 28, 1972, has stood for 54 years.
- 5 of the 10 warmest Junes on record in Helsinki have come since 2012.
- The coldest June reading, 2°C (36°F) on June 2, 1975, has not been matched in 51 years.
- June in Helsinki has become 1.3°C (2.3°F) warmer on average: the 2012–2026 average against 1970–1989.
At least 1 mm of rain falls on 27% of June days, and the month averages 54 mm in total.
Warmest: 2021 (23.8°C)Latest: 2026 (20.3°C)10-year averageLong-run average (19.0°C)
Look Up a Day in June
See the weather in Helsinki on any June date, year by year.
Source: NOAA GHCN-Daily, Helsinki Kaisaniemi Aws (1971–2026); Helsinki Rautatientori (2009–2015). Averages cover 1971–2026. How we compute this