London · United Kingdom
May
Chelsea Flower Show, warm parks, 18°C — London at its most seductive before summer prices arrive.
Best match
#1 of 12 months
May is one of the best times to visit London.
Climate
High
18°C
Low
10°C
Rain
49mm
Sun
6.4hrs/day
30-year climate normals · Open Meteo ERA5
How May scores in London
Weather
Excellent
Value
Good
Crowds
Good
Events
Excellent
Atmosphere
Excellent
What you gain in May
- ↑Chelsea Flower Show (third week of May): world-famous garden event with real local excitement around it
- ↑Royal Parks in full green: Londoners picnic in Hyde Park, Regent's Park, and Hampstead Heath in earnest
- ↑Sunset at 21:00 and 18°C highs make evening walks along the Thames or South Bank genuinely lovely
What you sacrifice
- ↓Prices climbing toward summer — a week at a 3-star central hotel costs noticeably more than March
- ↓Chelsea Flower Show week sees south-west London traffic disruption and accommodation pressure
- ↓Half-term (late May bank holiday) briefly crowding family attractions across the city
May in other destinations
Lisbon (20.7°C)Barcelona (20.8°C)Tokyo (23.8°C)Bali (31.2°C)Santorini (19.8°C)Paris (18.1°C)New York (20.4°C)Marrakech (26.4°C)Amsterdam (16.4°C)Maldives (31.5°C)Rome (21.7°C)Bangkok (32.6°C)Istanbul (20.7°C)Vienna (19.7°C)Seoul (21.4°C)Dubrovnik (20.9°C)Rio de Janeiro (26.2°C)Kyoto (25.2°C)Phuket (32.6°C)Cape Town (18.9°C)Prague (21°C)Amalfi Coast (23°C)Mexico City (27°C)Medellín (27°C)Fiji (28°C)Sydney (19°C)Iceland (10°C)Tulum (32°C)Dubai (38°C)Singapore (33°C)Hoi An (33°C)
Climate data: 30-year normals (1991–2020) from Open Meteo ERA5 reanalysis. Scores compare months within London, not across destinations. Methodology →