Weather on March 21 in London

Historical weather data for March 21 in London, United Kingdom

Avg High12°C (53°F)
Avg Low3°C (38°F)
Warmest200213°C
Coldest20132°C

Based on 55 years of data from HAMPSTEAD

About This Date

March 21st in London, United Kingdom typically brings cool spring weather, with average highs around 12°C and lows near 3°C. Over 55 years of records, the warmest March 21st was in 2002 (13°C average), while the coldest was 2013 (2°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 44% of March 21st dates historically, with the wettest March 21st recording 0.84" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.

Planning for March 21st in London? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202516°C (61°F)7°C (45°F)0"
202417°C (62°F)--0.03"
202315°C (59°F)9°C (48°F)0.25"
202217°C (63°F)1°C (33°F)0"
202111°C (52°F)6°C (43°F)0"
2020--4°C (39°F)0"
2019--9°C (48°F)0"
2018---2°C (29°F)0"
2017--4°C (39°F)0.13"
201614°C (58°F)4°C (40°F)0"
20159°C (48°F)4°C (39°F)0"
201411°C (51°F)6°C (42°F)0.56"
20134°C (40°F)-1°C (31°F)0.2"
201216°C (61°F)7°C (45°F)0"
201116°C (61°F)3°C (38°F)0"
201012°C (53°F)5°C (41°F)0"
200915°C (59°F)1°C (34°F)0"
20089°C (49°F)3°C (38°F)0.44"
20078°C (46°F)-2°C (29°F)0.03"
20064°C (40°F)1°C (34°F)0"
200514°C (58°F)6°C (42°F)0.16"
200411°C (51°F)6°C (42°F)0.06"
200313°C (55°F)4°C (39°F)0"
200216°C (60°F)10°C (50°F)0"
200113°C (56°F)1°C (34°F)0.08"
200015°C (59°F)2°C (36°F)0"
199911°C (51°F)6°C (42°F)0.15"
199812°C (53°F)8°C (46°F)0"
199713°C (55°F)3°C (38°F)--
199611°C (52°F)2°C (35°F)--
199511°C (52°F)0°C (32°F)0"
199412°C (54°F)4°C (39°F)0.12"
199312°C (54°F)5°C (41°F)0.68"
199213°C (56°F)5°C (41°F)0.41"
19919°C (49°F)7°C (44°F)0"
199013°C (56°F)9°C (48°F)0.04"
198913°C (55°F)1°C (33°F)0.17"
198812°C (54°F)7°C (45°F)0"
19879°C (49°F)-1°C (31°F)0"
198611°C (51°F)1°C (34°F)0.2"
19859°C (48°F)-3°C (27°F)0.31"
198411°C (51°F)2°C (36°F)0"
19838°C (47°F)2°C (35°F)0.37"
198212°C (54°F)4°C (40°F)0.09"
19818°C (47°F)7°C (45°F)0.4"
19808°C (46°F)-2°C (29°F)0"
19798°C (46°F)2°C (36°F)0.4"
19789°C (49°F)1°C (34°F)0"
19776°C (42°F)3°C (38°F)0.84"
19764°C (40°F)1°C (34°F)0"
19758°C (46°F)3°C (38°F)0.83"
197411°C (52°F)3°C (38°F)0"
197316°C (61°F)2°C (35°F)0"
197218°C (64°F)5°C (41°F)0"
19718°C (47°F)4°C (39°F)0"

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