Weather on May 18 in London
Historical weather data for May 18 in London, United Kingdom
Based on 55 years of data from HAMPSTEAD
About This Date
May 18th in London, United Kingdom typically brings mild spring weather, with average highs around 18°C and lows near 8°C. Over 55 years of records, the warmest May 18th was in 2014 (19°C average), while the coldest was 1996 (7°C) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 33% of May 18th dates historically, with the wettest May 18th recording 1.85" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 18°C (65°F) | 9°C (49°F) | 0" |
| 2024 | 21°C (69°F) | 12°C (53°F) | 0" |
| 2023 | 21°C (69°F) | 9°C (48°F) | 0" |
| 2022 | 23°C (74°F) | 11°C (52°F) | 0.05" |
| 2021 | 17°C (63°F) | 6°C (42°F) | 0.51" |
| 2020 | -- | 10°C (50°F) | 0" |
| 2019 | 17°C (63°F) | 9°C (49°F) | 0.22" |
| 2018 | 19°C (67°F) | 2°C (35°F) | 0" |
| 2017 | -- | 9°C (49°F) | 1.85" |
| 2016 | 18°C (64°F) | 11°C (51°F) | 0.54" |
| 2015 | 14°C (57°F) | 8°C (47°F) | 0.13" |
| 2014 | 25°C (77°F) | 12°C (54°F) | 0" |
| 2013 | 18°C (65°F) | 8°C (46°F) | 0" |
| 2012 | 16°C (61°F) | 8°C (46°F) | 0" |
| 2011 | 20°C (68°F) | 12°C (53°F) | 0.08" |
| 2010 | 20°C (68°F) | 7°C (45°F) | 0" |
| 2009 | 15°C (59°F) | 9°C (48°F) | 0.15" |
| 2008 | 15°C (59°F) | 6°C (43°F) | 0" |
| 2007 | 21°C (70°F) | 12°C (54°F) | 0.02" |
| 2006 | 18°C (64°F) | 11°C (52°F) | 0.12" |
| 2005 | 14°C (58°F) | 4°C (40°F) | 0.04" |
| 2004 | 24°C (75°F) | 11°C (52°F) | 0" |
| 2003 | 16°C (61°F) | 10°C (50°F) | 0" |
| 2002 | 19°C (67°F) | 12°C (54°F) | 0" |
| 2001 | 17°C (63°F) | 6°C (42°F) | 0" |
| 2000 | 13°C (56°F) | 6°C (43°F) | 0.46" |
| 1999 | 22°C (72°F) | 9°C (48°F) | 0.06" |
| 1998 | 23°C (74°F) | 8°C (46°F) | 0" |
| 1997 | 18°C (64°F) | 13°C (56°F) | -- |
| 1996 | 11°C (52°F) | 3°C (38°F) | -- |
| 1995 | 16°C (60°F) | 4°C (39°F) | 0.01" |
| 1994 | 12°C (54°F) | 6°C (42°F) | 0" |
| 1993 | 18°C (64°F) | 8°C (47°F) | 0" |
| 1992 | 24°C (76°F) | 6°C (43°F) | 0" |
| 1991 | 16°C (61°F) | 7°C (45°F) | 0" |
| 1990 | 14°C (58°F) | 8°C (47°F) | 0" |
| 1989 | 23°C (73°F) | 12°C (54°F) | 0" |
| 1988 | 13°C (55°F) | 6°C (43°F) | 0" |
| 1987 | 16°C (60°F) | 7°C (45°F) | 0" |
| 1986 | 21°C (69°F) | 10°C (50°F) | 0" |
| 1985 | 14°C (58°F) | 8°C (46°F) | 0.09" |
| 1984 | 14°C (58°F) | 8°C (46°F) | 0" |
| 1983 | 14°C (57°F) | 8°C (47°F) | 1.04" |
| 1982 | 17°C (63°F) | 7°C (45°F) | 0" |
| 1981 | 18°C (64°F) | 8°C (46°F) | 0.18" |
| 1980 | 23°C (73°F) | 7°C (44°F) | 0" |
| 1979 | 17°C (62°F) | 8°C (46°F) | 0" |
| 1978 | 15°C (59°F) | 6°C (43°F) | 0" |
| 1977 | 18°C (64°F) | 4°C (40°F) | 0" |
| 1976 | 14°C (58°F) | 11°C (51°F) | 0.12" |
| 1975 | 17°C (63°F) | 6°C (42°F) | 0" |
| 1974 | 21°C (69°F) | -- | 0" |
| 1973 | 18°C (64°F) | 9°C (49°F) | 0" |
| 1972 | 17°C (63°F) | 5°C (41°F) | 0" |
| 1971 | 19°C (67°F) | 4°C (40°F) | 0" |