Weather on August 21 in St. Petersburg
Historical weather data for August 21 in St. Petersburg, Russia
Based on 56 years of data from ST. PETERSBURG
About This Date
August 21st in St. Petersburg, Russia typically brings mild summer weather, with average highs around 21°C and lows near 13°C. Over 56 years of records, the warmest August 21st was in 1972 (24°C average), while the coldest was 1976 (11°C) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 46% of August 21st dates historically, with the wettest August 21st recording 1.2" of rain. The last decade has been 5.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.0°F cooler on this date compared to 20-30 years ago.
Planning for August 21st in St. Petersburg? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 20°C (68°F) | 10°C (50°F) | -- |
| 2025 | 17°C (62°F) | 5°C (41°F) | 0 mm |
| 2024 | 23°C (74°F) | -- | 0 mm |
| 2023 | 24°C (75°F) | -- | 0 mm |
| 2022 | 23°C (74°F) | -- | 0 mm |
| 2021 | 19°C (66°F) | -- | 3 mm |
| 2020 | 27°C (80°F) | -- | 0 mm |
| 2019 | 18°C (65°F) | 7°C (44°F) | 4 mm |
| 2018 | 18°C (65°F) | 12°C (53°F) | 15 mm |
| 2017 | 18°C (65°F) | 14°C (58°F) | 14 mm |
| 2016 | 26°C (79°F) | 14°C (57°F) | 0 mm |
| 2015 | 24°C (76°F) | 16°C (60°F) | 0 mm |
| 2014 | 21°C (69°F) | 12°C (54°F) | 0 mm |
| 2013 | 21°C (69°F) | 14°C (57°F) | 23 mm |
| 2012 | 18°C (64°F) | 11°C (52°F) | 0 mm |
| 2011 | 18°C (65°F) | 13°C (56°F) | 0 mm |
| 2010 | 21°C (69°F) | 13°C (55°F) | 0 mm |
| 2009 | 19°C (66°F) | 8°C (47°F) | 0 mm |
| 2008 | 22°C (71°F) | 17°C (62°F) | 7 mm |
| 2007 | 22°C (71°F) | 16°C (61°F) | 2 mm |
| 2006 | 26°C (78°F) | 16°C (61°F) | 8 mm |
| 2005 | 22°C (72°F) | 14°C (58°F) | 1 mm |
| 2004 | 21°C (70°F) | 16°C (60°F) | 30 mm |
| 2003 | 21°C (69°F) | 14°C (58°F) | 1 mm |
| 2002 | 20°C (68°F) | 14°C (57°F) | 0 mm |
| 2001 | 20°C (68°F) | 15°C (59°F) | 0 mm |
| 2000 | 16°C (61°F) | 13°C (55°F) | 10 mm |
| 1999 | 20°C (68°F) | 12°C (53°F) | 3 mm |
| 1998 | 22°C (71°F) | 13°C (56°F) | 0 mm |
| 1997 | 22°C (71°F) | 16°C (61°F) | 0 mm |
| 1996 | 26°C (78°F) | 18°C (65°F) | 0 mm |
| 1995 | 18°C (65°F) | 8°C (47°F) | 0 mm |
| 1994 | 17°C (62°F) | 11°C (51°F) | 3 mm |
| 1993 | 18°C (65°F) | 10°C (50°F) | 1 mm |
| 1992 | 16°C (60°F) | 11°C (51°F) | 1 mm |
| 1991 | 19°C (67°F) | 14°C (57°F) | 7 mm |
| 1990 | 21°C (69°F) | 13°C (56°F) | 1 mm |
| 1989 | 18°C (64°F) | 15°C (59°F) | 2 mm |
| 1988 | 25°C (77°F) | 14°C (57°F) | 6 mm |
| 1987 | 19°C (67°F) | 12°C (54°F) | 0 mm |
| 1986 | 19°C (67°F) | 11°C (52°F) | 0 mm |
| 1985 | 20°C (68°F) | 17°C (63°F) | 0 mm |
| 1984 | 18°C (65°F) | 8°C (46°F) | 0 mm |
| 1983 | 21°C (70°F) | 12°C (54°F) | 0 mm |
| 1982 | 17°C (63°F) | 13°C (56°F) | 7 mm |
| 1981 | 20°C (68°F) | 13°C (56°F) | 6 mm |
| 1980 | 17°C (62°F) | 13°C (56°F) | 3 mm |
| 1979 | 24°C (76°F) | 18°C (65°F) | 5 mm |
| 1978 | 17°C (63°F) | 13°C (56°F) | 0 mm |
| 1977 | 14°C (58°F) | 8°C (46°F) | 1 mm |
| 1976 | 16°C (60°F) | 6°C (43°F) | 0 mm |
| 1975 | 21°C (69°F) | 10°C (50°F) | 0 mm |
| 1974 | 18°C (65°F) | 7°C (44°F) | 0 mm |
| 1973 | 19°C (66°F) | 13°C (56°F) | 2 mm |
| 1972 | 31°C (88°F) | 18°C (65°F) | 0 mm |
| 1971 | 20°C (68°F) | 14°C (58°F) | 0 mm |