Weather on May 21 in London

Historical weather data for May 21 in London, United Kingdom

Avg High17°C (63°F)
Avg Low9°C (48°F)
Warmest199218°C
Coldest19878°C

Based on 55 years of data from HAMPSTEAD

About This Date

May 21st in London, United Kingdom typically brings mild spring weather, with average highs around 17°C and lows near 9°C. Over 55 years of records, the warmest May 21st was in 1992 (18°C average), while the coldest was 1987 (8°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 44% of May 21st dates historically, with the wettest May 21st recording 2.03" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

Planning for May 21st in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202514°C (57°F)10°C (50°F)0"
202421°C (69°F)--0"
202319°C (67°F)8°C (47°F)0"
202222°C (72°F)9°C (49°F)0.28"
202113°C (56°F)--0.08"
202021°C (69°F)10°C (50°F)0"
2019--9°C (49°F)0"
201820°C (68°F)6°C (43°F)0"
2017--8°C (47°F)0.05"
201619°C (66°F)12°C (54°F)0.02"
201519°C (66°F)4°C (40°F)0"
201418°C (64°F)9°C (49°F)0.54"
201313°C (56°F)11°C (52°F)0"
201224°C (76°F)8°C (47°F)0"
201118°C (64°F)8°C (47°F)0.1"
201023°C (73°F)13°C (56°F)0"
200918°C (65°F)8°C (46°F)0"
200818°C (65°F)6°C (42°F)0"
200717°C (63°F)9°C (49°F)0.2"
200613°C (56°F)9°C (49°F)0.88"
200514°C (58°F)9°C (48°F)0.64"
200415°C (59°F)8°C (47°F)0"
200318°C (64°F)8°C (47°F)0.43"
200217°C (63°F)12°C (54°F)0.98"
200118°C (64°F)8°C (46°F)0"
200018°C (65°F)7°C (45°F)0.12"
199918°C (64°F)11°C (51°F)0"
199817°C (62°F)13°C (56°F)0"
199713°C (56°F)10°C (50°F)--
199613°C (56°F)7°C (45°F)--
199519°C (66°F)4°C (40°F)0"
199416°C (60°F)9°C (49°F)1.91"
199318°C (64°F)8°C (47°F)0"
199225°C (77°F)12°C (53°F)0"
199121°C (70°F)11°C (52°F)0"
199017°C (62°F)8°C (46°F)0"
198923°C (73°F)13°C (55°F)0"
198817°C (62°F)7°C (44°F)0"
198712°C (54°F)4°C (39°F)0.14"
198615°C (59°F)9°C (48°F)0.33"
198514°C (57°F)11°C (52°F)0.26"
198413°C (56°F)5°C (41°F)2.03"
198314°C (58°F)5°C (41°F)0.09"
198216°C (61°F)13°C (55°F)0.43"
198116°C (60°F)9°C (49°F)0.52"
198014°C (57°F)8°C (46°F)0"
197914°C (57°F)7°C (45°F)0.62"
197816°C (60°F)7°C (45°F)0.02"
197719°C (67°F)8°C (47°F)0"
197619°C (66°F)6°C (43°F)0"
197514°C (58°F)8°C (46°F)0"
197421°C (69°F)5°C (41°F)0.03"
197319°C (67°F)11°C (51°F)0.28"
197217°C (63°F)8°C (46°F)0"
197116°C (60°F)7°C (44°F)0"

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