Weather on March 18 in Helsinki
Historical weather data for March 18 in Helsinki, Finland
Based on 56 years of data from HELSINKI RAUTATIENTORI
About This Date
March 18th in Helsinki, Finland typically brings cold spring weather, with average highs around 2°C and lows near -3°C. Over 56 years of records, the warmest March 18th was in 2015 (6°C average), while the coldest was 1979 (-12°C) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 41% of March 18th dates historically, with the wettest March 18th recording 0.97" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Helsinki? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2026 | 2°C (36°F) | -1°C (31°F) | -- |
| 2025 | 8°C (46°F) | 1°C (33°F) | 0" |
| 2024 | 1°C (33°F) | -7°C (19°F) | 0.03" |
| 2023 | 6°C (42°F) | 1°C (33°F) | 0.1" |
| 2022 | 4°C (40°F) | -1°C (31°F) | 0" |
| 2021 | 1°C (34°F) | -5°C (23°F) | 0" |
| 2020 | 6°C (43°F) | 4°C (39°F) | 0.15" |
| 2019 | 4°C (39°F) | 2°C (35°F) | 0.1" |
| 2018 | 3°C (38°F) | -7°C (20°F) | 0" |
| 2017 | 3°C (37°F) | 1°C (34°F) | 0" |
| 2016 | 4°C (40°F) | -4°C (25°F) | 0" |
| 2015 | 12°C (54°F) | 0°C (32°F) | -- |
| 2014 | 2°C (35°F) | -5°C (23°F) | -- |
| 2013 | -5°C (23°F) | -13°C (9°F) | -- |
| 2012 | 4°C (40°F) | 0°C (32°F) | -- |
| 2011 | 2°C (36°F) | -3°C (27°F) | -- |
| 2010 | 0°C (32°F) | -6°C (22°F) | -- |
| 2009 | 3°C (38°F) | 0°C (32°F) | 0" |
| 2008 | 3°C (38°F) | -1°C (30°F) | 0.04" |
| 2007 | 3°C (38°F) | 0°C (32°F) | 0.97" |
| 2006 | 1°C (34°F) | -5°C (23°F) | 0.17" |
| 2005 | -2°C (28°F) | -8°C (18°F) | 0" |
| 2004 | 5°C (41°F) | 1°C (33°F) | 0" |
| 2003 | 7°C (45°F) | 0°C (32°F) | 0" |
| 2002 | 3°C (37°F) | 1°C (33°F) | 0.02" |
| 2001 | -2°C (28°F) | -11°C (12°F) | 0.01" |
| 2000 | 3°C (37°F) | 0°C (32°F) | 0" |
| 1999 | 1°C (34°F) | 0°C (32°F) | 0.01" |
| 1998 | 2°C (36°F) | -1°C (31°F) | 0.19" |
| 1997 | -1°C (30°F) | -7°C (19°F) | 0" |
| 1996 | 0°C (32°F) | -3°C (26°F) | 0" |
| 1995 | 1°C (34°F) | 0°C (32°F) | 0.47" |
| 1994 | 1°C (33°F) | -4°C (24°F) | 0" |
| 1993 | 7°C (44°F) | 1°C (33°F) | 0.47" |
| 1992 | 3°C (37°F) | 1°C (33°F) | 0.03" |
| 1991 | 1°C (34°F) | -1°C (31°F) | 0.16" |
| 1990 | 7°C (45°F) | 2°C (36°F) | 0" |
| 1989 | 4°C (40°F) | 0°C (32°F) | 0" |
| 1988 | -2°C (29°F) | -7°C (19°F) | 0" |
| 1987 | -2°C (29°F) | -9°C (15°F) | 0" |
| 1986 | 4°C (39°F) | -6°C (21°F) | 0" |
| 1985 | 2°C (35°F) | -4°C (25°F) | 0" |
| 1984 | -3°C (26°F) | -14°C (6°F) | 0" |
| 1983 | 2°C (35°F) | 1°C (33°F) | 0.21" |
| 1982 | 4°C (40°F) | -1°C (31°F) | 0" |
| 1981 | 1°C (33°F) | -4°C (25°F) | 0.36" |
| 1980 | -4°C (25°F) | -13°C (8°F) | 0" |
| 1979 | -6°C (21°F) | -17°C (1°F) | 0" |
| 1978 | -6°C (21°F) | -9°C (15°F) | 0.19" |
| 1977 | 3°C (37°F) | 1°C (34°F) | 0.36" |
| 1976 | -3°C (27°F) | -14°C (6°F) | 0.01" |
| 1975 | 0°C (32°F) | -6°C (21°F) | 0" |
| 1974 | 2°C (36°F) | -1°C (31°F) | 0.11" |
| 1973 | -2°C (29°F) | -6°C (22°F) | 0.56" |
| 1972 | 3°C (37°F) | -3°C (26°F) | 0" |
| 1971 | 1°C (34°F) | 0°C (32°F) | 0.77" |