Weather on May 15 in London

Historical weather data for May 15 in London, United Kingdom

Avg High17°C (63°F)
Avg Low8°C (46°F)
Warmest200018°C
Coldest19966°C

Based on 55 years of data from HAMPSTEAD

About This Date

May 15th in London, United Kingdom typically brings mild spring weather, with average highs around 17°C and lows near 8°C. Over 55 years of records, the warmest May 15th was in 2000 (18°C average), while the coldest was 1996 (6°C) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 15th dates historically, with the wettest May 15th recording 1.09" 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 May 15th in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
2025--8°C (47°F)--
202421°C (70°F)13°C (55°F)0.15"
202320°C (68°F)--0.23"
202219°C (66°F)13°C (55°F)0.05"
202114°C (58°F)7°C (44°F)0.68"
202016°C (61°F)1°C (33°F)0"
2019--7°C (44°F)0"
2018--10°C (50°F)0"
2017--9°C (49°F)0"
201618°C (64°F)4°C (40°F)0"
201518°C (65°F)6°C (43°F)0.04"
201422°C (72°F)8°C (46°F)0.02"
201316°C (61°F)6°C (42°F)0"
201214°C (57°F)4°C (39°F)0.26"
201119°C (67°F)7°C (45°F)0"
201015°C (59°F)7°C (45°F)0"
200916°C (60°F)11°C (52°F)0.31"
200813°C (56°F)9°C (48°F)0.02"
200716°C (60°F)5°C (41°F)0.37"
200618°C (64°F)9°C (49°F)0.01"
200517°C (63°F)3°C (38°F)0"
200422°C (72°F)11°C (52°F)0"
200311°C (52°F)4°C (40°F)0.32"
200224°C (75°F)9°C (49°F)0"
200114°C (58°F)10°C (50°F)1"
200022°C (71°F)14°C (58°F)0.02"
199916°C (60°F)9°C (49°F)0"
199823°C (73°F)9°C (49°F)0"
199722°C (71°F)9°C (48°F)--
19969°C (48°F)3°C (37°F)--
199514°C (57°F)3°C (37°F)0"
199413°C (56°F)11°C (52°F)0"
199318°C (64°F)3°C (38°F)0.21"
199219°C (66°F)12°C (53°F)0"
199111°C (52°F)6°C (43°F)0.07"
199019°C (66°F)12°C (54°F)0"
198921°C (70°F)9°C (48°F)0"
198821°C (69°F)9°C (49°F)0"
198714°C (58°F)6°C (42°F)0.33"
198616°C (60°F)6°C (42°F)0.03"
198519°C (66°F)8°C (47°F)0"
198416°C (60°F)6°C (43°F)0.15"
198318°C (64°F)6°C (43°F)1.09"
198222°C (72°F)10°C (50°F)0"
198113°C (56°F)9°C (48°F)0.9"
198019°C (67°F)10°C (50°F)0"
197922°C (71°F)13°C (56°F)0"
197816°C (60°F)7°C (44°F)0"
197712°C (54°F)4°C (40°F)0"
197616°C (61°F)4°C (40°F)0.03"
197513°C (56°F)8°C (46°F)0.83"
197419°C (66°F)--0"
197314°C (57°F)5°C (41°F)0"
197212°C (54°F)5°C (41°F)0.06"
197113°C (56°F)8°C (46°F)0.8"

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May 15 Weather in London, United Kingdom - Historical Data