Weather on July 21 in London
Historical weather data for July 21 in London, United Kingdom
Avg High23°C (73°F)
Avg Low13°C (56°F)
Warmest200624°C
Coldest197314°C
Based on 56 years of data from HAMPSTEAD
About This Date
July 21st in London, United Kingdom typically brings pleasant summer weather, with average highs around 23°C and lows near 13°C. Over 56 years of records, the warmest July 21st was in 2006 (24°C average), while the coldest was 1973 (14°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 23% of July 21st dates historically. 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 July 21st in London? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 26°C (78°F) | 12°C (54°F) | 0 mm |
| 2025 | 22°C (71°F) | 12°C (53°F) | 0 mm |
| 2024 | 24°C (75°F) | -- | 0 mm |
| 2023 | 22°C (72°F) | 12°C (54°F) | 0 mm |
| 2022 | 24°C (76°F) | 16°C (60°F) | 4 mm |
| 2021 | -- | 18°C (64°F) | 0 mm |
| 2020 | 24°C (76°F) | 8°C (46°F) | 0 mm |
| 2019 | -- | 13°C (55°F) | 0 mm |
| 2018 | 27°C (80°F) | 16°C (60°F) | 0 mm |
| 2017 | 23°C (73°F) | -- | 0 mm |
| 2016 | -- | 14°C (57°F) | 0 mm |
| 2015 | 22°C (72°F) | 13°C (55°F) | 0 mm |
| 2014 | 26°C (79°F) | 15°C (59°F) | 0 mm |
| 2013 | 33°C (91°F) | 16°C (60°F) | 1 mm |
| 2012 | 22°C (72°F) | 10°C (50°F) | 0 mm |
| 2011 | 20°C (68°F) | 12°C (54°F) | 1 mm |
| 2010 | 22°C (72°F) | 16°C (61°F) | 0 mm |
| 2009 | 21°C (69°F) | 13°C (56°F) | 1 mm |
| 2008 | 20°C (68°F) | 9°C (49°F) | 0 mm |
| 2007 | 21°C (69°F) | 11°C (52°F) | 4 mm |
| 2006 | 31°C (88°F) | 18°C (64°F) | 4 mm |
| 2005 | 22°C (71°F) | 12°C (53°F) | 0 mm |
| 2004 | 26°C (79°F) | 16°C (60°F) | 0 mm |
| 2003 | 24°C (75°F) | 15°C (59°F) | 0 mm |
| 2002 | 21°C (70°F) | 10°C (50°F) | 0 mm |
| 2001 | 21°C (70°F) | 12°C (53°F) | 0 mm |
| 2000 | 20°C (68°F) | 14°C (57°F) | 0 mm |
| 1999 | 18°C (65°F) | 12°C (53°F) | 0 mm |
| 1998 | 22°C (71°F) | 16°C (60°F) | 1 mm |
| 1997 | 26°C (79°F) | 13°C (55°F) | -- |
| 1996 | 31°C (87°F) | 13°C (56°F) | -- |
| 1995 | 22°C (72°F) | 17°C (63°F) | 0 mm |
| 1994 | 26°C (78°F) | 14°C (58°F) | 0 mm |
| 1993 | 21°C (70°F) | 12°C (53°F) | 0 mm |
| 1992 | 23°C (74°F) | 15°C (59°F) | 0 mm |
| 1991 | 23°C (74°F) | 13°C (55°F) | 0 mm |
| 1990 | 21°C (70°F) | 17°C (63°F) | 0 mm |
| 1989 | 32°C (89°F) | 17°C (62°F) | 0 mm |
| 1988 | 20°C (68°F) | 14°C (57°F) | 8 mm |
| 1987 | 17°C (63°F) | 12°C (54°F) | 5 mm |
| 1986 | 20°C (68°F) | 13°C (55°F) | 3 mm |
| 1985 | 20°C (68°F) | 9°C (48°F) | 4 mm |
| 1984 | 24°C (76°F) | 11°C (52°F) | 0 mm |
| 1983 | 25°C (77°F) | 10°C (50°F) | 0 mm |
| 1982 | 19°C (67°F) | 13°C (56°F) | 0 mm |
| 1981 | 17°C (63°F) | 15°C (59°F) | 3 mm |
| 1980 | 21°C (70°F) | 8°C (46°F) | 0 mm |
| 1979 | 17°C (62°F) | 12°C (54°F) | 0 mm |
| 1978 | 18°C (65°F) | 12°C (53°F) | 0 mm |
| 1977 | 22°C (72°F) | 13°C (55°F) | 0 mm |
| 1976 | 22°C (71°F) | 10°C (50°F) | 0 mm |
| 1975 | 22°C (71°F) | -- | 0 mm |
| 1974 | 22°C (72°F) | -- | 0 mm |
| 1973 | 18°C (64°F) | 12°C (53°F) | 0 mm |
| 1972 | 21°C (69°F) | 14°C (58°F) | 7 mm |
| 1971 | 24°C (75°F) | 14°C (58°F) | 0 mm |