Weather on June 18 in Helsinki
Historical weather data for June 18 in Helsinki, Finland
Based on 56 years of data from HELSINKI RAUTATIENTORI
About This Date
June 18th in Helsinki, Finland typically brings mild summer weather, with average highs around 19°C and lows near 12°C. Over 56 years of records, the warmest June 18th was in 1986 (22°C average), while the coldest was 1978 (8°C) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 41% of June 18th dates historically, with the wettest June 18th recording 2.88" of rain. The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Helsinki? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 21°C (69°F) | 13°C (55°F) | -- |
| 2025 | 18°C (65°F) | 13°C (56°F) | 12 mm |
| 2024 | 21°C (69°F) | 15°C (59°F) | 0 mm |
| 2023 | 23°C (73°F) | 18°C (65°F) | 0 mm |
| 2022 | 15°C (59°F) | 13°C (55°F) | 24 mm |
| 2021 | 25°C (77°F) | 14°C (57°F) | 0 mm |
| 2020 | 23°C (74°F) | 18°C (64°F) | 0 mm |
| 2019 | 23°C (73°F) | 15°C (59°F) | 0 mm |
| 2018 | 21°C (69°F) | 17°C (62°F) | 0 mm |
| 2017 | 21°C (70°F) | 14°C (58°F) | 0 mm |
| 2016 | 17°C (63°F) | 12°C (54°F) | 36 mm |
| 2015 | 13°C (56°F) | 11°C (51°F) | -- |
| 2014 | 17°C (63°F) | 6°C (43°F) | -- |
| 2013 | 21°C (70°F) | 12°C (54°F) | -- |
| 2012 | 17°C (63°F) | 13°C (55°F) | -- |
| 2011 | 17°C (63°F) | 13°C (56°F) | -- |
| 2010 | 18°C (65°F) | 11°C (52°F) | -- |
| 2009 | 17°C (62°F) | 8°C (46°F) | 4 mm |
| 2008 | 18°C (64°F) | 12°C (53°F) | 0 mm |
| 2007 | 17°C (62°F) | 12°C (54°F) | 6 mm |
| 2006 | 24°C (75°F) | 13°C (55°F) | 0 mm |
| 2005 | 23°C (73°F) | 13°C (56°F) | 0 mm |
| 2004 | 15°C (59°F) | 8°C (46°F) | 0 mm |
| 2003 | 17°C (62°F) | 6°C (43°F) | 0 mm |
| 2002 | 19°C (67°F) | 13°C (56°F) | 0 mm |
| 2001 | 19°C (66°F) | 12°C (54°F) | 10 mm |
| 2000 | 14°C (58°F) | 5°C (41°F) | 0 mm |
| 1999 | 24°C (76°F) | 17°C (62°F) | 0 mm |
| 1998 | 16°C (60°F) | 11°C (51°F) | 0 mm |
| 1997 | 17°C (63°F) | 13°C (56°F) | 0 mm |
| 1996 | 15°C (59°F) | 8°C (46°F) | 73 mm |
| 1995 | 19°C (67°F) | 13°C (56°F) | 4 mm |
| 1994 | 15°C (59°F) | 8°C (47°F) | 1 mm |
| 1993 | 18°C (64°F) | 12°C (53°F) | 1 mm |
| 1992 | 16°C (60°F) | 11°C (51°F) | 0 mm |
| 1991 | 17°C (63°F) | 12°C (53°F) | 29 mm |
| 1990 | 13°C (55°F) | 11°C (51°F) | 11 mm |
| 1989 | 21°C (70°F) | 14°C (57°F) | 8 mm |
| 1988 | 21°C (70°F) | 12°C (53°F) | 0 mm |
| 1987 | 17°C (62°F) | 9°C (49°F) | 0 mm |
| 1986 | 26°C (79°F) | 17°C (62°F) | 0 mm |
| 1985 | 25°C (77°F) | 15°C (59°F) | 31 mm |
| 1984 | 21°C (69°F) | 11°C (52°F) | 4 mm |
| 1983 | 19°C (66°F) | 13°C (55°F) | 0 mm |
| 1982 | 13°C (55°F) | 7°C (44°F) | 0 mm |
| 1981 | 16°C (60°F) | 10°C (50°F) | 5 mm |
| 1980 | 23°C (73°F) | 16°C (60°F) | 0 mm |
| 1979 | 18°C (64°F) | 9°C (49°F) | 0 mm |
| 1978 | 13°C (55°F) | 3°C (37°F) | 0 mm |
| 1977 | 19°C (67°F) | 15°C (59°F) | 2 mm |
| 1976 | 14°C (58°F) | 8°C (47°F) | 29 mm |
| 1975 | 20°C (68°F) | 11°C (52°F) | 0 mm |
| 1974 | 23°C (74°F) | 13°C (55°F) | 0 mm |
| 1973 | 17°C (62°F) | 10°C (50°F) | 0 mm |
| 1972 | 19°C (66°F) | 11°C (51°F) | 0 mm |
| 1971 | 14°C (58°F) | 8°C (47°F) | 0 mm |