London in May 2027 — Weather, Events & Things to Do
Arguably the best month: Chelsea Flower Show, long days, mild sun. Average highs of 18°C, moderate crowds and moderate prices.
Temperature
18° / 9°C
18° / 9°C
Rain
10 days
10 days
Crowds
Moderate
Moderate
Prices
Moderate
Moderate
Things to do in May
- RHS Chelsea Flower Show — the world's most famous garden show
- Two bank-holiday weekends of festivals and street parties
- Open-air theatre season begins in Regent's Park
- Rooftop bars reopen across Shoreditch and the City
Insider tip: Chelsea sells out months ahead, but nearby 'Chelsea in Bloom' floral installations are free to wander.
What to pack
T-shirts & light layers, Light jacket for evenings, Sunscreen, Walking shoes
Common questions
Is May a good time to visit London?
Arguably the best month: Chelsea Flower Show, long days, mild sun.
What is London weather like in May?
Pleasantly warm. One of the best months to visit. Average high 18°C and low 9°C.
What should I pack for London in May?
T-shirts & light layers, Light jacket for evenings, Sunscreen, Walking shoes