Weather on December 20 in London
Historical weather data for December 20 in London, United Kingdom
Based on 55 years of data from HAMPSTEAD
About This Date
December 20th in London, United Kingdom typically brings chilly winter weather, with average highs around 8°C and lows near 2°C. Over 55 years of records, the warmest December 20th was in 2015 (12°C average), while the coldest was 2010 (-3°C) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 65% of December 20th dates historically, with the wettest December 20th recording 2.59" of rain. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for December 20th 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 | 10°C (50°F) | 0°C (32°F) | 0.04" |
| 2024 | 9°C (49°F) | 1°C (34°F) | 0" |
| 2023 | 11°C (52°F) | 4°C (39°F) | 1.27" |
| 2022 | 13°C (56°F) | -- | 0.58" |
| 2021 | 7°C (45°F) | 3°C (38°F) | 0" |
| 2020 | 13°C (55°F) | 5°C (41°F) | 0.5" |
| 2019 | 9°C (49°F) | 8°C (46°F) | 0.5" |
| 2018 | -- | 6°C (42°F) | 0.13" |
| 2017 | -- | 7°C (44°F) | 0.03" |
| 2016 | 11°C (51°F) | 3°C (37°F) | 0.08" |
| 2015 | 13°C (56°F) | 11°C (52°F) | 0.3" |
| 2014 | 13°C (55°F) | 4°C (39°F) | 0.04" |
| 2013 | 11°C (52°F) | 2°C (35°F) | 0.38" |
| 2012 | 10°C (50°F) | 4°C (39°F) | 0.5" |
| 2011 | 11°C (52°F) | 1°C (34°F) | 0.28" |
| 2010 | 1°C (33°F) | -6°C (22°F) | 0.16" |
| 2009 | 2°C (35°F) | -4°C (25°F) | 0" |
| 2008 | 13°C (55°F) | 3°C (37°F) | 0" |
| 2007 | 3°C (38°F) | -2°C (29°F) | 0.02" |
| 2006 | 1°C (34°F) | -2°C (29°F) | 0.02" |
| 2005 | 7°C (45°F) | 1°C (33°F) | 0" |
| 2004 | 6°C (43°F) | -1°C (31°F) | 0.03" |
| 2003 | 7°C (44°F) | 6°C (42°F) | 0.46" |
| 2002 | 11°C (51°F) | 0°C (32°F) | 0.24" |
| 2001 | 7°C (45°F) | -1°C (30°F) | 0" |
| 2000 | 5°C (41°F) | 7°C (44°F) | 0" |
| 1999 | 6°C (42°F) | -5°C (23°F) | 0.28" |
| 1998 | 4°C (40°F) | 1°C (34°F) | 0" |
| 1997 | 7°C (44°F) | 7°C (44°F) | -- |
| 1996 | 3°C (37°F) | 4°C (40°F) | -- |
| 1995 | 6°C (42°F) | -- | 2.59" |
| 1994 | 5°C (41°F) | 1°C (33°F) | 0.05" |
| 1993 | 6°C (42°F) | 3°C (37°F) | 0.65" |
| 1992 | 4°C (39°F) | 2°C (35°F) | 0" |
| 1991 | 12°C (54°F) | 2°C (36°F) | 0.26" |
| 1990 | 11°C (51°F) | 1°C (33°F) | 0.68" |
| 1989 | 13°C (56°F) | 3°C (38°F) | 2.45" |
| 1988 | 11°C (51°F) | 2°C (36°F) | 0.01" |
| 1987 | 11°C (51°F) | 7°C (45°F) | 0" |
| 1986 | 4°C (40°F) | 2°C (35°F) | 0" |
| 1985 | 11°C (52°F) | 5°C (41°F) | 0.11" |
| 1984 | 7°C (44°F) | 7°C (45°F) | 0.08" |
| 1983 | 9°C (48°F) | 7°C (45°F) | 0.78" |
| 1982 | 6°C (42°F) | 4°C (39°F) | 0" |
| 1981 | 0°C (32°F) | -4°C (25°F) | 0.7" |
| 1980 | 7°C (45°F) | 0°C (32°F) | 0.33" |
| 1979 | 3°C (37°F) | 1°C (33°F) | -- |
| 1978 | 3°C (37°F) | -4°C (25°F) | 0.05" |
| 1977 | 10°C (50°F) | 3°C (37°F) | 0" |
| 1976 | 7°C (44°F) | 2°C (36°F) | 0.51" |
| 1975 | 7°C (45°F) | 2°C (35°F) | 0" |
| 1974 | 11°C (51°F) | 8°C (46°F) | 0" |
| 1973 | 8°C (47°F) | 3°C (38°F) | 0.64" |
| 1972 | 3°C (38°F) | 0°C (32°F) | 0" |
| 1971 | 13°C (56°F) | 7°C (44°F) | 0.05" |