Weather on December 15 in London
Historical weather data for December 15 in London, United Kingdom
Based on 55 years of data from HAMPSTEAD
About This Date
December 15th in London, United Kingdom typically brings chilly winter weather, with average highs around 8°C and lows near 3°C. Over 55 years of records, the warmest December 15th was in 2021 (11°C average), while the coldest was 1975 (1°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 58% of December 15th dates historically, with the wettest December 15th recording 2.13" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in London? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 11°C (51°F) | 6°C (43°F) | 0.06" |
| 2024 | 13°C (55°F) | 4°C (40°F) | 0.03" |
| 2023 | 11°C (51°F) | 3°C (37°F) | 0" |
| 2022 | 2°C (36°F) | -- | 0" |
| 2021 | 13°C (56°F) | 9°C (49°F) | 0" |
| 2020 | -- | 6°C (42°F) | 0.18" |
| 2019 | 7°C (45°F) | 3°C (38°F) | 1.08" |
| 2018 | 7°C (45°F) | -1°C (31°F) | 0.88" |
| 2017 | -- | 1°C (34°F) | 0" |
| 2016 | -- | 4°C (40°F) | 0" |
| 2015 | 14°C (58°F) | 7°C (45°F) | 0.88" |
| 2014 | 9°C (49°F) | 3°C (37°F) | 0.02" |
| 2013 | 12°C (53°F) | 4°C (40°F) | 0.86" |
| 2012 | 9°C (49°F) | 6°C (42°F) | 0" |
| 2011 | 3°C (38°F) | 3°C (37°F) | 0.72" |
| 2010 | 6°C (42°F) | -2°C (29°F) | 0.12" |
| 2009 | 3°C (37°F) | 0°C (32°F) | 0" |
| 2008 | 4°C (40°F) | 0°C (32°F) | 0" |
| 2007 | 3°C (37°F) | 2°C (36°F) | 0" |
| 2006 | 11°C (52°F) | 10°C (50°F) | 0.62" |
| 2005 | 11°C (51°F) | 4°C (40°F) | 0.02" |
| 2004 | 10°C (50°F) | 6°C (43°F) | 0.04" |
| 2003 | 5°C (41°F) | 1°C (33°F) | 0" |
| 2002 | 6°C (42°F) | 5°C (41°F) | 0.77" |
| 2001 | 3°C (38°F) | -1°C (30°F) | 0.02" |
| 2000 | 5°C (41°F) | 1°C (34°F) | 0" |
| 1999 | 9°C (49°F) | -1°C (30°F) | 0.02" |
| 1998 | 10°C (50°F) | 11°C (52°F) | 0.7" |
| 1997 | 2°C (35°F) | 3°C (37°F) | -- |
| 1996 | 7°C (45°F) | -1°C (31°F) | -- |
| 1995 | 3°C (38°F) | -- | 0.05" |
| 1994 | 9°C (49°F) | -1°C (30°F) | 0.01" |
| 1993 | 7°C (45°F) | -1°C (31°F) | 0" |
| 1992 | 9°C (49°F) | 7°C (45°F) | 0.15" |
| 1991 | 10°C (50°F) | 1°C (33°F) | 0.14" |
| 1990 | 3°C (37°F) | -1°C (31°F) | 0.13" |
| 1989 | 13°C (55°F) | 5°C (41°F) | 2.13" |
| 1988 | 8°C (47°F) | 6°C (43°F) | 0" |
| 1987 | 11°C (52°F) | 0°C (32°F) | 0.7" |
| 1986 | 7°C (45°F) | 1°C (34°F) | 0.92" |
| 1985 | 10°C (50°F) | 9°C (48°F) | 0" |
| 1984 | 6°C (42°F) | 3°C (38°F) | 1.03" |
| 1983 | 6°C (43°F) | 3°C (38°F) | 0.04" |
| 1982 | 7°C (44°F) | 0°C (32°F) | 0" |
| 1981 | 2°C (35°F) | 1°C (34°F) | 0" |
| 1980 | 8°C (46°F) | 3°C (38°F) | 0.05" |
| 1979 | 9°C (49°F) | 3°C (38°F) | -- |
| 1978 | 6°C (42°F) | 4°C (39°F) | 0.14" |
| 1977 | 7°C (45°F) | 4°C (39°F) | 0" |
| 1976 | 2°C (36°F) | -1°C (31°F) | 0" |
| 1975 | 4°C (39°F) | -3°C (27°F) | 0" |
| 1974 | 11°C (51°F) | 2°C (35°F) | 0.07" |
| 1973 | 10°C (50°F) | -2°C (28°F) | 0" |
| 1972 | 11°C (51°F) | 4°C (40°F) | 0.31" |
| 1971 | 11°C (52°F) | 5°C (41°F) | 0.21" |