Weather on August 23 in Helsinki
Historical weather data for August 23 in Helsinki, Finland
Based on 55 years of data from HELSINKI RAUTATIENTORI
About This Date
August 23rd in Helsinki, Finland typically brings mild summer weather, with average highs around 19°C and lows near 13°C. Over 55 years of records, the warmest August 23rd was in 2015 (20°C average), while the coldest was 1973 (11°C) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 49% of August 23rd dates historically, with the wettest August 23rd recording 1.94" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for August 23rd in Helsinki? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 17°C (63°F) | 8°C (46°F) | 0 mm |
| 2024 | 21°C (69°F) | 13°C (56°F) | 9 mm |
| 2023 | 19°C (67°F) | 16°C (60°F) | 1 mm |
| 2022 | 24°C (76°F) | 14°C (58°F) | 0 mm |
| 2021 | 15°C (59°F) | 11°C (52°F) | 0 mm |
| 2020 | 22°C (71°F) | 18°C (64°F) | 49 mm |
| 2019 | 19°C (67°F) | 13°C (55°F) | 31 mm |
| 2018 | 21°C (69°F) | 16°C (60°F) | 0 mm |
| 2017 | 18°C (64°F) | 11°C (51°F) | 0 mm |
| 2016 | 20°C (68°F) | 14°C (57°F) | 0 mm |
| 2015 | 24°C (76°F) | 16°C (60°F) | -- |
| 2014 | 18°C (64°F) | 12°C (54°F) | -- |
| 2013 | 21°C (69°F) | 11°C (51°F) | -- |
| 2012 | 18°C (64°F) | 13°C (56°F) | -- |
| 2011 | 20°C (68°F) | 14°C (58°F) | -- |
| 2010 | 21°C (70°F) | 16°C (61°F) | -- |
| 2009 | 21°C (69°F) | 15°C (59°F) | 0 mm |
| 2008 | 19°C (66°F) | 12°C (53°F) | 0 mm |
| 2007 | 21°C (69°F) | 16°C (61°F) | 15 mm |
| 2006 | 23°C (73°F) | 15°C (59°F) | 0 mm |
| 2005 | 19°C (67°F) | 13°C (56°F) | 0 mm |
| 2004 | 17°C (62°F) | 13°C (55°F) | 1 mm |
| 2003 | 19°C (66°F) | 15°C (59°F) | 24 mm |
| 2002 | 23°C (74°F) | 13°C (55°F) | 0 mm |
| 2001 | 19°C (67°F) | 9°C (49°F) | 0 mm |
| 2000 | 17°C (62°F) | 11°C (52°F) | 21 mm |
| 1999 | 17°C (62°F) | 6°C (42°F) | 26 mm |
| 1998 | 16°C (61°F) | 13°C (55°F) | 2 mm |
| 1997 | 20°C (68°F) | 18°C (64°F) | 11 mm |
| 1996 | 22°C (72°F) | 15°C (59°F) | 0 mm |
| 1995 | 20°C (68°F) | 14°C (58°F) | 0 mm |
| 1994 | 19°C (67°F) | 9°C (49°F) | 0 mm |
| 1993 | 15°C (59°F) | 11°C (52°F) | 39 mm |
| 1992 | 14°C (57°F) | 11°C (51°F) | 0 mm |
| 1991 | 19°C (67°F) | 14°C (57°F) | 0 mm |
| 1990 | 19°C (67°F) | 13°C (56°F) | 10 mm |
| 1989 | 17°C (63°F) | 9°C (49°F) | 16 mm |
| 1988 | 17°C (63°F) | 13°C (55°F) | 2 mm |
| 1987 | 18°C (64°F) | 14°C (57°F) | 0 mm |
| 1986 | 15°C (59°F) | 8°C (47°F) | 19 mm |
| 1985 | 17°C (63°F) | 13°C (56°F) | 25 mm |
| 1984 | 21°C (70°F) | 17°C (62°F) | 0 mm |
| 1983 | 21°C (69°F) | 14°C (58°F) | 19 mm |
| 1982 | 18°C (65°F) | 12°C (53°F) | 4 mm |
| 1981 | 18°C (65°F) | 14°C (57°F) | 0 mm |
| 1980 | 15°C (59°F) | 9°C (49°F) | 1 mm |
| 1979 | 19°C (66°F) | 13°C (55°F) | 7 mm |
| 1978 | 19°C (67°F) | 14°C (57°F) | 10 mm |
| 1977 | 18°C (65°F) | 7°C (44°F) | 0 mm |
| 1976 | 17°C (63°F) | 10°C (50°F) | 0 mm |
| 1975 | 22°C (72°F) | 17°C (63°F) | 0 mm |
| 1974 | 17°C (62°F) | 13°C (56°F) | 5 mm |
| 1973 | 14°C (58°F) | 7°C (44°F) | 1 mm |
| 1972 | 23°C (73°F) | 17°C (62°F) | 9 mm |
| 1971 | 16°C (61°F) | 7°C (44°F) | 0 mm |