Weather on August 20 in London
Historical weather data for August 20 in London, United Kingdom
Avg High22°C (72°F)
Avg Low13°C (56°F)
Warmest199523°C
Coldest201413°C
Based on 55 years of data from HAMPSTEAD
About This Date
August 20th in London, United Kingdom typically brings pleasant summer weather, with average highs around 22°C and lows near 13°C. Over 55 years of records, the warmest August 20th was in 1995 (23°C average), while the coldest was 2014 (13°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 40% of August 20th dates historically, with the wettest August 20th recording 1.32" of rain.
Planning for August 20th in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 23°C (73°F) | -- | 0" |
| 2024 | 24°C (76°F) | -- | 0" |
| 2023 | 26°C (79°F) | 15°C (59°F) | 0" |
| 2022 | 26°C (79°F) | -- | 0" |
| 2021 | -- | 13°C (56°F) | 0.05" |
| 2020 | -- | 16°C (61°F) | 1.32" |
| 2019 | -- | 11°C (51°F) | 0.13" |
| 2018 | 26°C (79°F) | 17°C (63°F) | 0" |
| 2017 | -- | 9°C (49°F) | 0" |
| 2016 | 22°C (71°F) | 14°C (58°F) | 0.2" |
| 2015 | 26°C (78°F) | 14°C (58°F) | 0" |
| 2014 | 18°C (64°F) | 8°C (46°F) | 0" |
| 2013 | 26°C (79°F) | 11°C (52°F) | 0" |
| 2012 | 22°C (71°F) | 16°C (61°F) | 0" |
| 2011 | 23°C (73°F) | 13°C (55°F) | 0.46" |
| 2010 | 22°C (71°F) | 16°C (60°F) | 0.04" |
| 2009 | 19°C (67°F) | 16°C (60°F) | 0" |
| 2008 | 21°C (69°F) | 14°C (57°F) | 0.36" |
| 2007 | 16°C (60°F) | 11°C (52°F) | 0.04" |
| 2006 | 21°C (69°F) | 14°C (58°F) | 0.02" |
| 2005 | 20°C (68°F) | 12°C (54°F) | 0" |
| 2004 | 21°C (69°F) | 13°C (56°F) | 0.44" |
| 2003 | 22°C (72°F) | 10°C (50°F) | 0" |
| 2002 | 23°C (74°F) | 16°C (61°F) | 0.4" |
| 2001 | 23°C (73°F) | 13°C (56°F) | 0" |
| 2000 | 22°C (71°F) | 12°C (54°F) | 0" |
| 1999 | 18°C (65°F) | 9°C (48°F) | 0" |
| 1998 | 23°C (73°F) | 13°C (56°F) | 0.07" |
| 1997 | 25°C (77°F) | 17°C (62°F) | -- |
| 1996 | 24°C (75°F) | 18°C (65°F) | -- |
| 1995 | 29°C (84°F) | 17°C (62°F) | 0" |
| 1994 | 23°C (73°F) | 11°C (51°F) | 0" |
| 1993 | 25°C (77°F) | 14°C (58°F) | 0" |
| 1992 | 22°C (72°F) | 16°C (60°F) | 0.16" |
| 1991 | 27°C (80°F) | 14°C (57°F) | 0" |
| 1990 | 22°C (71°F) | 12°C (54°F) | 0.01" |
| 1989 | 25°C (77°F) | 13°C (56°F) | 0" |
| 1988 | 18°C (64°F) | 12°C (54°F) | 0.35" |
| 1987 | 28°C (82°F) | 16°C (60°F) | 0" |
| 1986 | 18°C (65°F) | 8°C (47°F) | 0" |
| 1985 | 21°C (70°F) | 12°C (54°F) | 0.13" |
| 1984 | 28°C (82°F) | 15°C (59°F) | 0" |
| 1983 | 23°C (74°F) | 17°C (62°F) | 0.03" |
| 1982 | 18°C (65°F) | 8°C (46°F) | 0" |
| 1981 | 19°C (66°F) | 13°C (56°F) | 0.1" |
| 1980 | 19°C (67°F) | 12°C (53°F) | 0" |
| 1979 | 19°C (66°F) | 12°C (53°F) | 0.32" |
| 1978 | 23°C (74°F) | 14°C (58°F) | 0" |
| 1977 | 18°C (65°F) | 12°C (53°F) | 0.06" |
| 1976 | 24°C (76°F) | 12°C (53°F) | 0" |
| 1975 | 21°C (69°F) | 15°C (59°F) | 0" |
| 1974 | 23°C (73°F) | 4°C (40°F) | 0" |
| 1973 | 17°C (63°F) | 16°C (60°F) | 0" |
| 1972 | 22°C (71°F) | 13°C (55°F) | 0.01" |
| 1971 | 21°C (69°F) | 14°C (58°F) | 1.28" |