Weather on May 25 in Helsinki
Historical weather data for May 25 in Helsinki, Finland
Based on 56 years of data from HELSINKI RAUTATIENTORI
About This Date
May 25th in Helsinki, Finland typically brings mild spring weather, with average highs around 16°C and lows near 8°C. Over 56 years of records, the warmest May 25th was in 2014 (21°C average), while the coldest was 1971 (6°C) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 30% of May 25th dates historically, with the wettest May 25th recording 0.67" of rain. The last decade has been 8.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 8.6°F warmer on this date compared to 20-30 years ago.
Planning for May 25th in Helsinki? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 18°C (64°F) | 12°C (54°F) | 0 mm |
| 2025 | 15°C (59°F) | 7°C (45°F) | 0 mm |
| 2024 | 26°C (78°F) | 14°C (58°F) | 0 mm |
| 2023 | 19°C (66°F) | 13°C (56°F) | 0 mm |
| 2022 | 18°C (64°F) | 9°C (48°F) | 8 mm |
| 2021 | 14°C (57°F) | 8°C (46°F) | 0 mm |
| 2020 | 19°C (66°F) | 11°C (51°F) | 0 mm |
| 2019 | 13°C (56°F) | 8°C (47°F) | 1 mm |
| 2018 | 19°C (66°F) | 8°C (47°F) | 0 mm |
| 2017 | 19°C (66°F) | 8°C (47°F) | 0 mm |
| 2016 | 23°C (73°F) | 12°C (53°F) | 0 mm |
| 2015 | 14°C (58°F) | 7°C (45°F) | -- |
| 2014 | 25°C (77°F) | 18°C (64°F) | -- |
| 2013 | 21°C (70°F) | 13°C (55°F) | -- |
| 2012 | 19°C (67°F) | 11°C (52°F) | -- |
| 2011 | 13°C (56°F) | 8°C (47°F) | -- |
| 2010 | 16°C (60°F) | 8°C (46°F) | -- |
| 2009 | 22°C (71°F) | 8°C (47°F) | 0 mm |
| 2008 | 16°C (60°F) | 4°C (39°F) | 0 mm |
| 2007 | 15°C (59°F) | 9°C (49°F) | 4 mm |
| 2006 | 15°C (59°F) | 7°C (45°F) | 12 mm |
| 2005 | 18°C (65°F) | 12°C (53°F) | 0 mm |
| 2004 | 13°C (56°F) | 3°C (37°F) | 0 mm |
| 2003 | 16°C (61°F) | 6°C (43°F) | 0 mm |
| 2002 | 10°C (50°F) | 4°C (39°F) | 0 mm |
| 2001 | 9°C (49°F) | 3°C (38°F) | 1 mm |
| 2000 | 16°C (60°F) | 10°C (50°F) | 9 mm |
| 1999 | 16°C (60°F) | 9°C (48°F) | 0 mm |
| 1998 | 9°C (48°F) | 3°C (37°F) | 4 mm |
| 1997 | 12°C (54°F) | 6°C (42°F) | 0 mm |
| 1996 | 11°C (52°F) | 4°C (40°F) | 10 mm |
| 1995 | 19°C (67°F) | 4°C (40°F) | 3 mm |
| 1994 | 13°C (55°F) | 4°C (39°F) | 0 mm |
| 1993 | 19°C (66°F) | 7°C (45°F) | 0 mm |
| 1992 | 19°C (67°F) | 8°C (47°F) | 0 mm |
| 1991 | 11°C (52°F) | 3°C (38°F) | 0 mm |
| 1990 | 12°C (54°F) | 5°C (41°F) | 6 mm |
| 1989 | 23°C (73°F) | 9°C (49°F) | 0 mm |
| 1988 | 16°C (60°F) | 10°C (50°F) | 0 mm |
| 1987 | 11°C (52°F) | 2°C (36°F) | 0 mm |
| 1986 | 12°C (53°F) | 9°C (48°F) | 6 mm |
| 1985 | 10°C (50°F) | 4°C (40°F) | 1 mm |
| 1984 | 22°C (71°F) | 13°C (56°F) | 0 mm |
| 1983 | 22°C (71°F) | 11°C (52°F) | 0 mm |
| 1982 | 13°C (55°F) | 7°C (44°F) | 0 mm |
| 1981 | 19°C (67°F) | 13°C (55°F) | 3 mm |
| 1980 | 7°C (44°F) | 4°C (40°F) | 17 mm |
| 1979 | 23°C (74°F) | 12°C (53°F) | 0 mm |
| 1978 | 19°C (66°F) | 9°C (48°F) | 0 mm |
| 1977 | 11°C (51°F) | 4°C (39°F) | 0 mm |
| 1976 | 21°C (70°F) | 11°C (51°F) | 0 mm |
| 1975 | 14°C (58°F) | 6°C (43°F) | 0 mm |
| 1974 | 12°C (53°F) | 5°C (41°F) | 1 mm |
| 1973 | 15°C (59°F) | 8°C (46°F) | 0 mm |
| 1972 | 16°C (60°F) | 8°C (46°F) | 3 mm |
| 1971 | 7°C (45°F) | 3°C (38°F) | 0 mm |