Helsinki, Finland All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Helsinki, from NOAA GHCN daily weather observations.
Station: HELSINKI KAISANIEMI AWS
| Temperature | ||
|---|---|---|
| Record High | 91.7°F (33°C) | July 28, 2019 |
| Record Low | -29.7°F (-34°C) | January 10, 1987 |
| Lowest High | -18.5°F (-28°C) | January 12, 1987 |
| Highest Low | 73°F (23°C) | July 29, 2018 |
| Highest Mean | 80°F (27°C) | July 28, 2019 |
| Lowest Mean | -21.1°F (-29°C) | January 12, 1987 |
| Precipitation | ||
| Max in One Calendar Day | 3.12" (79.3 mm) | July 24, 1993 |
| Max in One Month | 7.23" (183.6 mm) | October 2006 |
| Least in One Month | 0.04" (0.9 mm) | February 1994 |
| Max in One Year | 35.69" (906.5 mm) | 2012 |
| Least in One Year | 11.76" (298.8 mm) | 1959 |
| Period of Record | ||
| Temperature | January 1, 1951 – June 30, 2026 | |
| Precipitation | January 1, 1951 – June 30, 2026 | |
Note: Records compiled from NOAA GHCN-Daily observations at HELSINKI KAISANIEMI AWS. Quality-flagged readings are excluded. Monthly and annual totals require substantially complete reporting for “least” records.
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Frequently Asked Questions
What is the hottest temperature ever recorded in Helsinki, Finland?
The all-time record high in Helsinki, Finland is 91.7°F (33°C), set on July 28, 2019.
What is the coldest temperature ever recorded in Helsinki, Finland?
The all-time record low in Helsinki, Finland is -29.7°F (-34°C), set on January 10, 1987.
What is the most rain Helsinki, Finland has ever had in one day?
The most precipitation recorded in one calendar day near Helsinki, Finland is 3.12 inches, on July 24, 1993.