Weather on August 18 in London

Historical weather data for August 18 in London, United Kingdom

Avg High23°C (73°F)
Avg Low13°C (56°F)
Warmest199624°C
Coldest197713°C

Based on 55 years of data from HAMPSTEAD

About This Date

August 18th in London, United Kingdom typically brings pleasant summer weather, with average highs around 23°C and lows near 13°C. Over 55 years of records, the warmest August 18th was in 1996 (24°C average), while the coldest was 1977 (13°C) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 47% of August 18th dates historically, with the wettest August 18th recording 1.4" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.

Planning for August 18th in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202523°C (74°F)--0"
202424°C (76°F)13°C (55°F)0"
202324°C (76°F)18°C (64°F)0"
202228°C (82°F)18°C (64°F)1.4"
2021--16°C (60°F)0.05"
202020°C (68°F)14°C (58°F)0"
201921°C (69°F)12°C (53°F)0.1"
201825°C (77°F)14°C (58°F)0"
201719°C (67°F)14°C (57°F)0.1"
2016--16°C (60°F)0"
201520°C (68°F)13°C (55°F)0"
201418°C (64°F)10°C (50°F)0.06"
201323°C (74°F)15°C (59°F)0"
201229°C (84°F)19°C (66°F)0"
201121°C (70°F)12°C (54°F)1.38"
201021°C (69°F)12°C (53°F)0.18"
200928°C (82°F)13°C (55°F)0"
200820°C (68°F)13°C (56°F)0.02"
200719°C (66°F)13°C (56°F)1.28"
200620°C (68°F)14°C (58°F)0.35"
200528°C (82°F)14°C (58°F)0.64"
200422°C (71°F)16°C (61°F)1.3"
200322°C (72°F)16°C (61°F)0.2"
200225°C (77°F)16°C (61°F)0.05"
200121°C (69°F)15°C (59°F)1.09"
200022°C (72°F)13°C (55°F)0.31"
199917°C (63°F)13°C (56°F)0.47"
199824°C (75°F)14°C (57°F)0"
199729°C (84°F)17°C (63°F)--
199631°C (87°F)17°C (62°F)--
199530°C (86°F)17°C (63°F)0"
199422°C (71°F)10°C (50°F)0.1"
199324°C (76°F)12°C (53°F)0"
199221°C (70°F)12°C (53°F)0.02"
199124°C (75°F)9°C (49°F)0"
199020°C (68°F)12°C (54°F)0.87"
198926°C (79°F)9°C (49°F)0"
198821°C (69°F)13°C (56°F)0.32"
198724°C (76°F)17°C (62°F)0"
198618°C (65°F)14°C (57°F)0.49"
198520°C (68°F)12°C (54°F)0.28"
198428°C (82°F)13°C (55°F)0"
198328°C (82°F)14°C (57°F)0"
198218°C (64°F)13°C (55°F)0.66"
198121°C (69°F)12°C (53°F)0"
198019°C (66°F)13°C (56°F)0"
197918°C (65°F)12°C (53°F)0"
197824°C (75°F)12°C (53°F)0"
197713°C (55°F)13°C (55°F)0"
197625°C (77°F)14°C (57°F)0"
197522°C (72°F)12°C (54°F)0.03"
197419°C (67°F)11°C (52°F)0.44"
197323°C (74°F)13°C (56°F)0"
197221°C (69°F)9°C (48°F)0"
197126°C (78°F)11°C (51°F)0"

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