What is the weather like in London in May?

Expect temperatures between 9°C and 17°C with 22% average rain probability and about 8 hours of sunshine daily.

What is the weather like in London in May?

London in May scores 67/100 based on 30 years of climate data. Very good conditions overall.

Who should visit London in May?

May in London is ideal for: Budget travelers, Families with children, Outdoor enthusiasts, Cultural tourists, Honeymoon couples.

London Weather in May | 30-Year Forecast

Avg High

17°C

Hottest around day 31

Avg Low

9°C

Coolest around day 1

Rainy Days

0days

22% avg rain chance

Sunshine

8hrs/day

Spring season

Essential Travel Info for London

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

GBP

£ British pound

Language

English

Driving

Left side

Connect

London is unfortunately not noted for fr...

Safety

High Safety

GPI: 1.667

Travel Intelligence

Exclusive flight analytics & health data for London

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub

100/ 100

Traffic Index

Extremely busy airport

Peak Daily Arrivals

slots per day

Peak

Oct

Low

Jan

Monthly Traffic Distribution

650

Jan

657

Feb

662

Mar

736

Apr

739

May

2568

Jun

2601

Jul

2591

Aug

2479

Sep

2634

Oct

2238

Nov

2434

Dec

Traffic Level

Low Season

Key Connections

New York John F Kennedy (JFK)

Dublin (DUB)

Frankfurt-am-Main (FRA)

Amsterdam Schiphol (AMS)

Madrid Adolfo Suárez –Barajas (MAD)

Health & Safety Advisory

CDC travel health recommendations

8 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to the United Kingdom. Unvaccinated travelers 60 years and older may get vaccinated before traveling to the United Kingdom.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Polio

In the United Kingdom poliovirus has been identified in the past year.Travelers to the United Kingdom are at increased risk of exposure to poliovirus.Vaccine recommendations: Adults traveling to the United Kingdom who received a complete polio vaccination series as children may receive a single lifetime booster dose of inactivated polio vaccine; travelers who are unvaccinated or not fully vaccinated should receive a complete polio vaccination series before travel. Children who are not fully vaccinated will be considered for anaccelerated vaccination schedule.

Rabies

Dogs infected with rabies are not commonly found in the United Kingdom.If rabies exposures occur while in the United Kingdom, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

+2 more

Source: CDC Travelers' Health

View Complete Health Guide

Is May a Good Time to Visit London?

👍Very good conditions overall(67/100)

Short Answer

Shoulder-season May in London delivers: 17°C comfortable weather, 22% rain chance, and significant savings as visitor numbers sit at 28% capacity.

Decision Factors

Vaccinations required

Yellow Fever

Off-peak season - fewer crowds

Only 28% of peak - better deals and quiet crowds

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Tuberculosis (TB)

Plenty of sunshine

10.2h of sunshine daily

Exceptional dining scene

362 Michelin-listed restaurants

Good For

💰
Budget travelers
Off-peak pricing with acceptable weather conditions
👨‍👩‍👧‍👦
Families with children
Comfortable 17.3°C temperatures and low 22% rain risk
🥾
Outdoor enthusiasts
Ideal hiking conditions: 17.3°C, 22% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 87/100 with romantic weather conditions

Who Should Avoid

Suitable for most traveler types

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,London in May averages 17°C with 22% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: London in May

What are the temperatures in London in May?

Daytime highs average 17°C, nights drop to 9°C. Temperatures remain fairly consistent.

How many rainy days in London in May?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in London in May?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is May peak season in London?

This is shoulder season—moderate prices and manageable crowds.

London Weather in May

London May Weather Calendar