Weather on December 1 in Helsinki
Historical weather data for December 1 in Helsinki, Finland
Based on 55 years of data from HELSINKI RAUTATIENTORI
About This Date
December 1st in Helsinki, Finland typically brings cold winter weather, with average highs around 2°C and lows near -2°C. Over 55 years of records, the warmest December 1st was in 2000 (7°C average), while the coldest was 1988 (-12°C) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 40% of December 1st dates historically, with the wettest December 1st recording 0.6" of rain. The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for December 1st 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 (mm) |
|---|---|---|---|
| 2025 | 7°C (44°F) | 2°C (36°F) | 4 mm |
| 2024 | 7°C (44°F) | 6°C (42°F) | 0 mm |
| 2023 | -3°C (26°F) | -6°C (22°F) | 1 mm |
| 2022 | 2°C (35°F) | -1°C (30°F) | 0 mm |
| 2021 | -4°C (25°F) | -10°C (14°F) | 0 mm |
| 2020 | 6°C (43°F) | 1°C (34°F) | 3 mm |
| 2019 | 1°C (34°F) | -3°C (26°F) | 0 mm |
| 2018 | 2°C (36°F) | -2°C (28°F) | 0 mm |
| 2017 | 3°C (37°F) | 0°C (32°F) | 5 mm |
| 2016 | 1°C (34°F) | -1°C (30°F) | 0 mm |
| 2015 | 5°C (41°F) | 2°C (36°F) | 0 mm |
| 2014 | -1°C (30°F) | -4°C (25°F) | -- |
| 2013 | 4°C (39°F) | -2°C (29°F) | -- |
| 2012 | -7°C (19°F) | -9°C (16°F) | -- |
| 2011 | 7°C (45°F) | 4°C (39°F) | -- |
| 2010 | -3°C (26°F) | -10°C (14°F) | -- |
| 2009 | 7°C (45°F) | 5°C (41°F) | -- |
| 2008 | 7°C (44°F) | 5°C (41°F) | 15 mm |
| 2007 | -1°C (31°F) | -4°C (25°F) | 8 mm |
| 2006 | 8°C (46°F) | 4°C (40°F) | 0 mm |
| 2005 | 3°C (37°F) | -3°C (27°F) | 1 mm |
| 2004 | 4°C (40°F) | 2°C (36°F) | 0 mm |
| 2003 | 5°C (41°F) | 3°C (38°F) | 1 mm |
| 2002 | -6°C (22°F) | -7°C (19°F) | 3 mm |
| 2001 | -1°C (30°F) | -3°C (26°F) | 0 mm |
| 2000 | 8°C (47°F) | 5°C (41°F) | 0 mm |
| 1999 | 7°C (44°F) | 3°C (37°F) | 0 mm |
| 1998 | 2°C (36°F) | -2°C (28°F) | 1 mm |
| 1997 | -1°C (30°F) | -2°C (29°F) | 2 mm |
| 1996 | 3°C (38°F) | 2°C (35°F) | 1 mm |
| 1995 | 1°C (34°F) | 0°C (32°F) | 0 mm |
| 1994 | 4°C (40°F) | -8°C (17°F) | 0 mm |
| 1993 | -3°C (26°F) | -5°C (23°F) | 0 mm |
| 1992 | 3°C (38°F) | 2°C (35°F) | 3 mm |
| 1991 | 7°C (44°F) | 4°C (40°F) | 0 mm |
| 1990 | 2°C (35°F) | -7°C (20°F) | 0 mm |
| 1989 | 5°C (41°F) | 1°C (34°F) | 0 mm |
| 1988 | -9°C (15°F) | -14°C (7°F) | 0 mm |
| 1987 | 3°C (38°F) | -1°C (31°F) | 0 mm |
| 1986 | 8°C (46°F) | 4°C (40°F) | 8 mm |
| 1985 | -6°C (21°F) | -14°C (6°F) | 0 mm |
| 1984 | 6°C (43°F) | 2°C (35°F) | 0 mm |
| 1983 | -9°C (15°F) | -13°C (9°F) | 0 mm |
| 1982 | 5°C (41°F) | 0°C (32°F) | 0 mm |
| 1981 | 3°C (38°F) | 1°C (34°F) | 2 mm |
| 1980 | 3°C (37°F) | -15°C (5°F) | 1 mm |
| 1979 | 2°C (36°F) | -6°C (22°F) | 1 mm |
| 1978 | 0°C (32°F) | -4°C (24°F) | 0 mm |
| 1977 | 2°C (36°F) | -5°C (23°F) | 1 mm |
| 1976 | 4°C (40°F) | 2°C (36°F) | 8 mm |
| 1975 | 5°C (41°F) | 3°C (37°F) | 0 mm |
| 1974 | 1°C (33°F) | -3°C (27°F) | 1 mm |
| 1973 | -8°C (18°F) | -11°C (13°F) | 0 mm |
| 1972 | 5°C (41°F) | 0°C (32°F) | 6 mm |
| 1971 | 3°C (38°F) | 1°C (34°F) | 3 mm |