Weather on August 31 in Helsinki
Historical weather data for August 31 in Helsinki, Finland
Based on 55 years of data from HELSINKI RAUTATIENTORI
About This Date
August 31st in Helsinki, Finland typically brings mild summer weather, with average highs around 18°C and lows near 11°C. Over 55 years of records, the warmest August 31st was in 2002 (20°C average), while the coldest was 1980 (10°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 44% of August 31st dates historically, with the wettest August 31st recording 2.1" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 31st in Helsinki? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 17°C (62°F) | 14°C (58°F) | 0.12" |
| 2024 | 23°C (73°F) | 14°C (57°F) | 0.55" |
| 2023 | 19°C (66°F) | 17°C (63°F) | 0.94" |
| 2022 | 14°C (58°F) | 10°C (50°F) | 0" |
| 2021 | 21°C (69°F) | 10°C (50°F) | 0" |
| 2020 | 16°C (61°F) | 13°C (55°F) | 0.1" |
| 2019 | 21°C (69°F) | 14°C (57°F) | 0" |
| 2018 | 19°C (66°F) | 13°C (55°F) | 0.03" |
| 2017 | 19°C (66°F) | 15°C (59°F) | 0.2" |
| 2016 | 20°C (68°F) | 9°C (49°F) | 0" |
| 2015 | 19°C (67°F) | 12°C (53°F) | -- |
| 2014 | 17°C (62°F) | 10°C (50°F) | -- |
| 2013 | 18°C (65°F) | 14°C (57°F) | -- |
| 2012 | 18°C (64°F) | 15°C (59°F) | -- |
| 2011 | 17°C (62°F) | 13°C (55°F) | -- |
| 2010 | 16°C (61°F) | 11°C (51°F) | -- |
| 2009 | 18°C (65°F) | 13°C (56°F) | 0" |
| 2008 | 14°C (57°F) | 7°C (45°F) | 0" |
| 2007 | 15°C (59°F) | 4°C (40°F) | 0.18" |
| 2006 | 21°C (69°F) | 15°C (59°F) | 0.13" |
| 2005 | 18°C (64°F) | 9°C (48°F) | 0" |
| 2004 | 20°C (68°F) | 15°C (59°F) | 0.47" |
| 2003 | 14°C (57°F) | 9°C (48°F) | 0" |
| 2002 | 22°C (72°F) | 18°C (65°F) | 0.15" |
| 2001 | 17°C (63°F) | 11°C (51°F) | 0" |
| 2000 | 18°C (64°F) | 15°C (59°F) | 0" |
| 1999 | 18°C (65°F) | 12°C (53°F) | 0" |
| 1998 | 13°C (56°F) | 9°C (49°F) | 0" |
| 1997 | 20°C (68°F) | 16°C (60°F) | 0" |
| 1996 | 23°C (73°F) | 16°C (60°F) | 0" |
| 1995 | 21°C (69°F) | 11°C (52°F) | 0.81" |
| 1994 | 16°C (61°F) | 9°C (48°F) | 0" |
| 1993 | 14°C (57°F) | 7°C (45°F) | 0" |
| 1992 | 17°C (62°F) | 9°C (49°F) | 2.1" |
| 1991 | 18°C (65°F) | 12°C (54°F) | 0" |
| 1990 | 18°C (65°F) | 9°C (48°F) | 0" |
| 1989 | 16°C (60°F) | 6°C (42°F) | 0" |
| 1988 | 16°C (60°F) | 11°C (52°F) | 1.01" |
| 1987 | 13°C (55°F) | 7°C (45°F) | 0.01" |
| 1986 | 13°C (56°F) | 11°C (51°F) | 0.01" |
| 1985 | 17°C (62°F) | 8°C (47°F) | 0.04" |
| 1984 | 17°C (63°F) | 12°C (53°F) | 0.62" |
| 1983 | 19°C (66°F) | 13°C (55°F) | 0" |
| 1982 | 18°C (65°F) | 13°C (55°F) | 0" |
| 1981 | 13°C (56°F) | 10°C (50°F) | 0.48" |
| 1980 | 14°C (57°F) | 6°C (42°F) | 0" |
| 1979 | 19°C (67°F) | 14°C (57°F) | 0" |
| 1978 | 15°C (59°F) | 10°C (50°F) | 1.22" |
| 1977 | 19°C (66°F) | 13°C (56°F) | 0" |
| 1976 | 21°C (70°F) | 16°C (60°F) | 0.45" |
| 1975 | 17°C (63°F) | 6°C (42°F) | 0.02" |
| 1974 | 21°C (70°F) | 11°C (51°F) | 0" |
| 1973 | 18°C (65°F) | 11°C (51°F) | 0.13" |
| 1972 | 14°C (58°F) | 6°C (43°F) | 0.02" |
| 1971 | 16°C (60°F) | 12°C (53°F) | 0.01" |