Weather on August 26 in Helsinki
Historical weather data for August 26 in Helsinki, Finland
Based on 55 years of data from HELSINKI RAUTATIENTORI
About This Date
August 26th in Helsinki, Finland typically brings mild summer weather, with average highs around 18°C and lows near 12°C. Over 55 years of records, the warmest August 26th was in 2011 (21°C average), while the coldest was 1973 (9°C) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 45% of August 26th dates historically, with the wettest August 26th recording 3.45" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for August 26th in Helsinki? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 18°C (65°F) | 9°C (48°F) | 0 mm |
| 2024 | 19°C (67°F) | 16°C (60°F) | 0 mm |
| 2023 | 21°C (69°F) | 15°C (59°F) | 4 mm |
| 2022 | 19°C (66°F) | 16°C (61°F) | 0 mm |
| 2021 | 16°C (60°F) | 12°C (54°F) | 18 mm |
| 2020 | 19°C (67°F) | 9°C (49°F) | 0 mm |
| 2019 | 23°C (73°F) | 16°C (60°F) | 0 mm |
| 2018 | 19°C (66°F) | 13°C (56°F) | 36 mm |
| 2017 | 16°C (60°F) | 8°C (46°F) | 1 mm |
| 2016 | 18°C (64°F) | 16°C (60°F) | 0 mm |
| 2015 | 21°C (69°F) | 18°C (64°F) | -- |
| 2014 | 18°C (64°F) | 13°C (55°F) | -- |
| 2013 | 22°C (72°F) | 13°C (55°F) | -- |
| 2012 | 19°C (67°F) | 13°C (55°F) | -- |
| 2011 | 23°C (74°F) | 19°C (66°F) | -- |
| 2010 | 18°C (65°F) | 11°C (52°F) | -- |
| 2009 | 20°C (68°F) | 13°C (55°F) | 7 mm |
| 2008 | 18°C (64°F) | 13°C (56°F) | 0 mm |
| 2007 | 18°C (64°F) | 11°C (51°F) | 13 mm |
| 2006 | 23°C (74°F) | 14°C (58°F) | 9 mm |
| 2005 | 23°C (73°F) | 14°C (57°F) | 46 mm |
| 2004 | 16°C (61°F) | 12°C (54°F) | 31 mm |
| 2003 | 15°C (59°F) | 11°C (52°F) | 0 mm |
| 2002 | 24°C (75°F) | 15°C (59°F) | 0 mm |
| 2001 | 23°C (74°F) | 12°C (54°F) | 0 mm |
| 2000 | 18°C (65°F) | 11°C (51°F) | 0 mm |
| 1999 | 19°C (66°F) | 12°C (54°F) | 0 mm |
| 1998 | 18°C (64°F) | 11°C (52°F) | 12 mm |
| 1997 | 25°C (77°F) | 16°C (60°F) | 0 mm |
| 1996 | 20°C (68°F) | 17°C (62°F) | 0 mm |
| 1995 | 18°C (65°F) | 14°C (57°F) | 19 mm |
| 1994 | 18°C (65°F) | 8°C (46°F) | 0 mm |
| 1993 | 14°C (58°F) | 9°C (48°F) | 0 mm |
| 1992 | 16°C (60°F) | 8°C (46°F) | 6 mm |
| 1991 | 22°C (71°F) | 14°C (58°F) | 0 mm |
| 1990 | 17°C (62°F) | 11°C (51°F) | 0 mm |
| 1989 | 14°C (57°F) | 9°C (49°F) | 0 mm |
| 1988 | 18°C (64°F) | 14°C (57°F) | 4 mm |
| 1987 | 14°C (58°F) | 12°C (53°F) | 3 mm |
| 1986 | 14°C (57°F) | 9°C (49°F) | 7 mm |
| 1985 | 19°C (66°F) | 15°C (59°F) | 0 mm |
| 1984 | 13°C (56°F) | 4°C (40°F) | 0 mm |
| 1983 | 18°C (65°F) | 11°C (51°F) | 0 mm |
| 1982 | 17°C (62°F) | 13°C (56°F) | 0 mm |
| 1981 | 16°C (60°F) | 6°C (42°F) | 23 mm |
| 1980 | 16°C (60°F) | 10°C (50°F) | 0 mm |
| 1979 | 19°C (66°F) | 16°C (61°F) | 48 mm |
| 1978 | 13°C (56°F) | 10°C (50°F) | 88 mm |
| 1977 | 18°C (65°F) | 11°C (51°F) | 4 mm |
| 1976 | 18°C (64°F) | 9°C (49°F) | 1 mm |
| 1975 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 1974 | 17°C (63°F) | 13°C (55°F) | 0 mm |
| 1973 | 12°C (53°F) | 6°C (42°F) | 0 mm |
| 1972 | 17°C (63°F) | 11°C (52°F) | 0 mm |
| 1971 | 18°C (65°F) | 13°C (55°F) | 0 mm |