🧳 Packing guide
What to wear in London in May
For what to wear in London in May, bring layers, a sweater and a light-to-medium jacket. A compact umbrella is worth carrying for passing showers or wetter days.
Travel takeaway: The month can be a practical time to visit when your packing matches the daytime-to-evening temperature change.
🗓️ Travel timing at a glance
London: 12-month travel weather
London can see rain in any month, usually spread across many changeable days rather than one concentrated wet season. Layers and light rain protection are useful year-round.
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
London 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
🎊 Featured event
Notting Hill Carnival
📅 Late August each year
Large crowds and road closures affect parts of west London, so check transport routes before heading into the area.
Check official source →⚠️ Busy / closure period
Christmas and New Year period
📅 Late December–early January
Public transport schedules and opening hours for shops and attractions can differ from normal on public holidays.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
London Weather in May
2016–2025 · 10 complete years averaged · °F
London in May · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ May 2025 · latest complete year☔ 8 days · 27.5 mm
2
🌧️
25.4°C/14.8°C
🌧️ 1.5 mm
27
🌦️
16.9°C/13.4°C
🌧️ 6.6 mm
28
🌦️
20.2°C/13.9°C
🌧️ 1.1 mm
29
🌦️
24.1°C/13.7°C
🌧️ 2.1 mm
May 2024☔ 13 days · 74.5 mm
2
🌧️
19.6°C/10.6°C
🌧️ 2.5 mm
14
🌦️
16.9°C/13.5°C
🌧️ 6.6 mm
16
🌦️
17.3°C/9.5°C
🌧️ 2.1 mm
18
🌧️
19.3°C/11.3°C
🌧️ 1.6 mm
22
🌦️
15.1°C/12.5°C
🌧️ 14.3 mm
26
🌦️
18.5°C/12.1°C
🌧️ 5.4 mm
30
🌦️
17.5°C/11.1°C
🌧️ 3.4 mm
31
🌦️
15.4°C/11.5°C
🌧️ 1.1 mm
May 2023☔ 8 days · 36.6 mm
10
🌧️
17.4°C/9.3°C
🌧️ 6.2 mm
12
🌦️
12.7°C/8.8°C
🌧️ 1.9 mm
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
✈️ Traveling soon?
Current London weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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London weather in other months
Switch months to compare the seasonal pattern.