Weather on May 15 in London
Historical weather data for May 15 in London, United Kingdom
Based on 56 years of data from HAMPSTEAD
About This Date
May 15th in London, United Kingdom typically brings mild spring weather, with average highs around 17°C and lows near 8°C. Over 56 years of records, the warmest May 15th was in 2000 (18°C average), while the coldest was 1996 (6°C) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 15th dates historically, with the wettest May 15th recording 1.09" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for May 15th in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 13°C (55°F) | 4°C (40°F) | 0 mm |
| 2025 | -- | 8°C (47°F) | -- |
| 2024 | 21°C (70°F) | 13°C (55°F) | 4 mm |
| 2023 | 20°C (68°F) | -- | 6 mm |
| 2022 | 19°C (66°F) | 13°C (55°F) | 1 mm |
| 2021 | 14°C (58°F) | 7°C (44°F) | 17 mm |
| 2020 | 16°C (61°F) | 1°C (33°F) | 0 mm |
| 2019 | -- | 7°C (44°F) | 0 mm |
| 2018 | -- | 10°C (50°F) | 0 mm |
| 2017 | -- | 9°C (49°F) | 0 mm |
| 2016 | 18°C (64°F) | 4°C (40°F) | 0 mm |
| 2015 | 18°C (65°F) | 6°C (43°F) | 1 mm |
| 2014 | 22°C (72°F) | 8°C (46°F) | 1 mm |
| 2013 | 16°C (61°F) | 6°C (42°F) | 0 mm |
| 2012 | 14°C (57°F) | 4°C (39°F) | 7 mm |
| 2011 | 19°C (67°F) | 7°C (45°F) | 0 mm |
| 2010 | 15°C (59°F) | 7°C (45°F) | 0 mm |
| 2009 | 16°C (60°F) | 11°C (52°F) | 8 mm |
| 2008 | 13°C (56°F) | 9°C (48°F) | 1 mm |
| 2007 | 16°C (60°F) | 5°C (41°F) | 9 mm |
| 2006 | 18°C (64°F) | 9°C (49°F) | 0 mm |
| 2005 | 17°C (63°F) | 3°C (38°F) | 0 mm |
| 2004 | 22°C (72°F) | 11°C (52°F) | 0 mm |
| 2003 | 11°C (52°F) | 4°C (40°F) | 8 mm |
| 2002 | 24°C (75°F) | 9°C (49°F) | 0 mm |
| 2001 | 14°C (58°F) | 10°C (50°F) | 25 mm |
| 2000 | 22°C (71°F) | 14°C (58°F) | 1 mm |
| 1999 | 16°C (60°F) | 9°C (49°F) | 0 mm |
| 1998 | 23°C (73°F) | 9°C (49°F) | 0 mm |
| 1997 | 22°C (71°F) | 9°C (48°F) | -- |
| 1996 | 9°C (48°F) | 3°C (37°F) | -- |
| 1995 | 14°C (57°F) | 3°C (37°F) | 0 mm |
| 1994 | 13°C (56°F) | 11°C (52°F) | 0 mm |
| 1993 | 18°C (64°F) | 3°C (38°F) | 5 mm |
| 1992 | 19°C (66°F) | 12°C (53°F) | 0 mm |
| 1991 | 11°C (52°F) | 6°C (43°F) | 2 mm |
| 1990 | 19°C (66°F) | 12°C (54°F) | 0 mm |
| 1989 | 21°C (70°F) | 9°C (48°F) | 0 mm |
| 1988 | 21°C (69°F) | 9°C (49°F) | 0 mm |
| 1987 | 14°C (58°F) | 6°C (42°F) | 8 mm |
| 1986 | 16°C (60°F) | 6°C (42°F) | 1 mm |
| 1985 | 19°C (66°F) | 8°C (47°F) | 0 mm |
| 1984 | 16°C (60°F) | 6°C (43°F) | 4 mm |
| 1983 | 18°C (64°F) | 6°C (43°F) | 28 mm |
| 1982 | 22°C (72°F) | 10°C (50°F) | 0 mm |
| 1981 | 13°C (56°F) | 9°C (48°F) | 23 mm |
| 1980 | 19°C (67°F) | 10°C (50°F) | 0 mm |
| 1979 | 22°C (71°F) | 13°C (56°F) | 0 mm |
| 1978 | 16°C (60°F) | 7°C (44°F) | 0 mm |
| 1977 | 12°C (54°F) | 4°C (40°F) | 0 mm |
| 1976 | 16°C (61°F) | 4°C (40°F) | 1 mm |
| 1975 | 13°C (56°F) | 8°C (46°F) | 21 mm |
| 1974 | 19°C (66°F) | -- | 0 mm |
| 1973 | 14°C (57°F) | 5°C (41°F) | 0 mm |
| 1972 | 12°C (54°F) | 5°C (41°F) | 2 mm |
| 1971 | 13°C (56°F) | 8°C (46°F) | 20 mm |