Weather on August 21 in London

Historical weather data for August 21 in London, United Kingdom

Avg High22°C (71°F)
Avg Low13°C (55°F)
Warmest201523°C
Coldest199913°C

Based on 55 years of data from HAMPSTEAD

About This Date

August 21st in London, United Kingdom typically brings pleasant summer weather, with average highs around 22°C and lows near 13°C. Over 55 years of records, the warmest August 21st was in 2015 (23°C average), while the coldest was 1999 (13°C) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 21st dates historically, with the wettest August 21st recording 1.16" of rain.

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

Year by Year History

YearHighLowPrecip
202521°C (70°F)--0"
202422°C (71°F)12°C (53°F)0"
202325°C (77°F)14°C (58°F)0"
202226°C (78°F)--0"
2021--16°C (60°F)0"
202024°C (75°F)--0"
2019--11°C (51°F)0"
201822°C (72°F)15°C (59°F)0"
2017--13°C (56°F)0.66"
2016--14°C (58°F)0.08"
201529°C (85°F)17°C (62°F)0"
201420°C (68°F)7°C (45°F)0"
201322°C (71°F)12°C (54°F)0.38"
201222°C (71°F)15°C (59°F)0"
201122°C (71°F)14°C (58°F)0"
201022°C (71°F)18°C (64°F)0.08"
200921°C (70°F)12°C (54°F)0.09"
200821°C (70°F)13°C (56°F)0.13"
200716°C (60°F)12°C (53°F)0.31"
200622°C (71°F)13°C (55°F)0.02"
200524°C (75°F)13°C (56°F)0.16"
200421°C (70°F)9°C (49°F)0"
200324°C (76°F)13°C (55°F)0"
200223°C (73°F)13°C (55°F)0"
200125°C (77°F)11°C (52°F)0"
200022°C (71°F)10°C (50°F)0"
199918°C (64°F)9°C (48°F)0"
199819°C (67°F)16°C (60°F)0"
199726°C (79°F)17°C (63°F)--
199622°C (71°F)14°C (58°F)--
199529°C (85°F)15°C (59°F)0"
199424°C (75°F)12°C (53°F)0"
199316°C (60°F)13°C (56°F)1.01"
199219°C (67°F)12°C (53°F)0.04"
199123°C (73°F)15°C (59°F)0"
199025°C (77°F)13°C (55°F)0"
198923°C (74°F)16°C (61°F)0"
198817°C (63°F)12°C (53°F)0"
198724°C (76°F)17°C (63°F)1.16"
198619°C (67°F)11°C (52°F)0.24"
198519°C (67°F)12°C (53°F)0.91"
198424°C (76°F)17°C (62°F)0"
198324°C (76°F)16°C (60°F)0.9"
198219°C (67°F)9°C (49°F)0"
198121°C (69°F)9°C (48°F)0.01"
198017°C (62°F)13°C (56°F)0"
197918°C (65°F)13°C (55°F)0.02"
197822°C (71°F)14°C (57°F)0"
197716°C (61°F)12°C (53°F)0"
197623°C (74°F)13°C (55°F)0"
197521°C (69°F)13°C (56°F)0"
197423°C (74°F)9°C (48°F)0"
197321°C (69°F)14°C (58°F)0"
197221°C (70°F)9°C (49°F)0"
197120°C (68°F)14°C (58°F)0"

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