Weather on April 18 in Helsinki
Historical weather data for April 18 in Helsinki, Finland
Based on 55 years of data from HELSINKI RAUTATIENTORI
About This Date
April 18th in Helsinki, Finland typically brings chilly spring weather, with average highs around 8°C and lows near 2°C. Over 55 years of records, the warmest April 18th was in 2021 (11°C average), while the coldest was 1981 (0°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 36% of April 18th dates historically, with the wettest April 18th recording 0.59" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for April 18th in Helsinki? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 12°C (53°F) | 7°C (45°F) | 0.06" |
| 2024 | 2°C (36°F) | -1°C (30°F) | 0" |
| 2023 | 14°C (58°F) | 3°C (38°F) | 0" |
| 2022 | 14°C (57°F) | 2°C (36°F) | 0" |
| 2021 | 15°C (59°F) | 6°C (42°F) | 0" |
| 2020 | 10°C (50°F) | 2°C (36°F) | 0" |
| 2019 | 16°C (60°F) | 4°C (39°F) | 0" |
| 2018 | 13°C (56°F) | 4°C (40°F) | 0.03" |
| 2017 | 4°C (39°F) | -2°C (29°F) | 0" |
| 2016 | 8°C (46°F) | 3°C (38°F) | 0.23" |
| 2015 | 7°C (44°F) | 3°C (38°F) | -- |
| 2014 | 13°C (56°F) | 5°C (41°F) | -- |
| 2013 | 8°C (47°F) | 3°C (37°F) | -- |
| 2012 | 6°C (42°F) | 2°C (35°F) | -- |
| 2011 | 12°C (53°F) | 5°C (41°F) | 0" |
| 2010 | 8°C (47°F) | 3°C (37°F) | -- |
| 2009 | 6°C (42°F) | 0°C (32°F) | 0" |
| 2008 | 9°C (49°F) | 4°C (39°F) | 0" |
| 2007 | 14°C (57°F) | 5°C (41°F) | 0" |
| 2006 | 6°C (43°F) | -1°C (30°F) | 0.09" |
| 2005 | 9°C (49°F) | 2°C (35°F) | 0" |
| 2004 | 13°C (55°F) | 5°C (41°F) | 0" |
| 2003 | 7°C (44°F) | 3°C (38°F) | 0" |
| 2002 | 8°C (46°F) | -1°C (30°F) | 0" |
| 2001 | 5°C (41°F) | 2°C (36°F) | 0.03" |
| 2000 | 7°C (45°F) | 1°C (33°F) | 0" |
| 1999 | 13°C (56°F) | 5°C (41°F) | 0.08" |
| 1998 | 6°C (42°F) | 2°C (36°F) | 0.02" |
| 1997 | 5°C (41°F) | -1°C (31°F) | 0" |
| 1996 | 4°C (40°F) | 2°C (35°F) | 0" |
| 1995 | 7°C (44°F) | 1°C (33°F) | 0" |
| 1994 | 6°C (43°F) | 1°C (33°F) | 0.01" |
| 1993 | 6°C (43°F) | 3°C (38°F) | 0" |
| 1992 | 6°C (43°F) | -2°C (29°F) | 0.59" |
| 1991 | 3°C (37°F) | -3°C (27°F) | 0" |
| 1990 | 12°C (53°F) | 2°C (36°F) | 0.06" |
| 1989 | 10°C (50°F) | 1°C (34°F) | 0.05" |
| 1988 | 7°C (45°F) | 1°C (34°F) | 0.01" |
| 1987 | 4°C (40°F) | -2°C (29°F) | 0" |
| 1986 | 2°C (36°F) | -1°C (30°F) | 0.2" |
| 1985 | 6°C (42°F) | -1°C (30°F) | 0" |
| 1984 | 10°C (50°F) | -1°C (30°F) | 0" |
| 1983 | 9°C (49°F) | 3°C (38°F) | 0" |
| 1982 | 4°C (40°F) | 2°C (35°F) | 0" |
| 1981 | 3°C (37°F) | -3°C (27°F) | 0.03" |
| 1980 | 4°C (40°F) | 1°C (33°F) | 0.32" |
| 1979 | 4°C (40°F) | -3°C (26°F) | 0" |
| 1978 | 8°C (46°F) | -2°C (29°F) | 0.09" |
| 1977 | 3°C (38°F) | 1°C (34°F) | 0.33" |
| 1976 | 7°C (45°F) | 4°C (39°F) | 0" |
| 1975 | 8°C (46°F) | -1°C (30°F) | 0" |
| 1974 | 11°C (52°F) | 2°C (36°F) | 0" |
| 1973 | 8°C (46°F) | 3°C (38°F) | 0.32" |
| 1972 | 4°C (40°F) | 1°C (34°F) | 0.23" |
| 1971 | 8°C (46°F) | 2°C (36°F) | 0.06" |