Weather on April 20 in Helsinki
Historical weather data for April 20 in Helsinki, Finland
Based on 55 years of data from HELSINKI RAUTATIENTORI
About This Date
April 20th in Helsinki, Finland typically brings chilly spring weather, with average highs around 9°C and lows near 2°C. Over 55 years of records, the warmest April 20th was in 1990 (12°C average), while the coldest was 2024 (-2°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 45% of April 20th dates historically, with the wettest April 20th recording 1.85" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for April 20th 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 | 13°C (55°F) | 6°C (42°F) | 1.85" |
| 2024 | 1°C (33°F) | -3°C (26°F) | 0.07" |
| 2023 | 17°C (62°F) | 3°C (37°F) | 0" |
| 2022 | 14°C (58°F) | 5°C (41°F) | 0" |
| 2021 | 11°C (52°F) | 3°C (38°F) | 0" |
| 2020 | 13°C (55°F) | 6°C (43°F) | 0" |
| 2019 | 14°C (57°F) | 6°C (42°F) | 0" |
| 2018 | 12°C (54°F) | 6°C (42°F) | 0.02" |
| 2017 | 6°C (43°F) | 0°C (32°F) | 0.26" |
| 2016 | 8°C (47°F) | 2°C (36°F) | 0.19" |
| 2015 | 12°C (54°F) | 4°C (39°F) | -- |
| 2014 | 13°C (56°F) | 6°C (42°F) | -- |
| 2013 | 10°C (50°F) | 3°C (37°F) | -- |
| 2012 | 6°C (42°F) | 3°C (37°F) | -- |
| 2011 | 7°C (45°F) | 0°C (32°F) | 0.06" |
| 2010 | 9°C (48°F) | 1°C (33°F) | -- |
| 2009 | 7°C (44°F) | 1°C (33°F) | 0" |
| 2008 | 8°C (47°F) | 2°C (36°F) | 0" |
| 2007 | 8°C (47°F) | 3°C (37°F) | 1.09" |
| 2006 | 7°C (44°F) | 1°C (33°F) | 0.76" |
| 2005 | 4°C (40°F) | -3°C (27°F) | 0.06" |
| 2004 | 12°C (54°F) | 6°C (42°F) | 0.08" |
| 2003 | 15°C (59°F) | 1°C (34°F) | 0" |
| 2002 | 11°C (52°F) | -2°C (29°F) | 0" |
| 2001 | 7°C (45°F) | 1°C (33°F) | 0" |
| 2000 | 16°C (61°F) | 6°C (42°F) | 0.03" |
| 1999 | 16°C (60°F) | 6°C (43°F) | 0" |
| 1998 | 9°C (48°F) | 3°C (37°F) | 0" |
| 1997 | 6°C (43°F) | -2°C (29°F) | 0" |
| 1996 | 8°C (47°F) | 3°C (37°F) | 0" |
| 1995 | 12°C (53°F) | 2°C (36°F) | 0" |
| 1994 | 6°C (43°F) | -2°C (29°F) | 0" |
| 1993 | 5°C (41°F) | -2°C (28°F) | 0" |
| 1992 | 4°C (39°F) | 1°C (33°F) | 0" |
| 1991 | 3°C (38°F) | -1°C (30°F) | 0" |
| 1990 | 17°C (62°F) | 6°C (43°F) | 0" |
| 1989 | 10°C (50°F) | 5°C (41°F) | 0.01" |
| 1988 | 6°C (42°F) | 1°C (33°F) | 0.72" |
| 1987 | 4°C (40°F) | -2°C (29°F) | 0" |
| 1986 | 5°C (41°F) | 2°C (36°F) | 0.2" |
| 1985 | 8°C (46°F) | -1°C (31°F) | 0.68" |
| 1984 | 7°C (44°F) | -2°C (29°F) | 0.02" |
| 1983 | 10°C (50°F) | 5°C (41°F) | 0.03" |
| 1982 | 6°C (42°F) | -2°C (29°F) | 0" |
| 1981 | 8°C (46°F) | -2°C (29°F) | 0" |
| 1980 | 2°C (35°F) | 0°C (32°F) | 0.56" |
| 1979 | 3°C (38°F) | -5°C (23°F) | 0" |
| 1978 | 11°C (51°F) | 4°C (39°F) | 0.02" |
| 1977 | 6°C (43°F) | -1°C (31°F) | 0.02" |
| 1976 | 8°C (46°F) | -1°C (31°F) | 0.02" |
| 1975 | 11°C (52°F) | 3°C (37°F) | 0.09" |
| 1974 | 9°C (48°F) | 1°C (34°F) | 0.02" |
| 1973 | 9°C (49°F) | -1°C (30°F) | 0.01" |
| 1972 | 6°C (42°F) | -3°C (26°F) | 0" |
| 1971 | 6°C (43°F) | 3°C (37°F) | 0.01" |