United Kingdom
Best Time to Visit London
Any season, always worth it
May through September for the best weather and long days. June is the sweet spot — warm, festivals beginning, and the summer peak not yet at full intensity. December is underrated: Christmas lights on Oxford Street, free museum entry year-round, and festive atmosphere without the extreme summer crowds. Avoid January and February unless you specifically want cheap hotels and empty galleries.
When to Visit London
London is one of the few European capitals that genuinely works year-round, partly because its world-class museums, galleries, and theatre scene don't depend on outdoor weather, and partly because the city has enough volume — in events, neighbourhoods, and culture — that there's never truly a wrong time to visit.
That said, the weather does matter. London's summer (June–August) brings warm temperatures (22–24°C), long days, open-air theatre at Shakespeare's Globe, Hyde Park concerts, and the city at its most socially alive. Wimbledon in late June/early July and the Notting Hill Carnival in August are among the city's defining events. The downside is that summer brings significant crowds at the Tower of London, the British Museum, and Buckingham Palace, and hotel prices reach their annual peak.
May is arguably London's finest month. The city is green from recent rain, temperatures are comfortable at 19°C, the Chelsea Flower Show brings extraordinary floral displays to SW3, and the summer crowds haven't yet arrived in force. Hotel prices are noticeably lower than July–August. It's a month that experienced London visitors specifically target.
Autumn (September–November) offers a gentler version of summer. September and October are warm enough for outdoor exploration, the parks turn golden, and the cultural calendar shifts into high gear as theatres reopen their autumn seasons, the London Film Festival runs in October, and Frieze Art Fair brings international gallery culture to Regent's Park. Prices fall steadily through October–November.
Winter in London requires a mindset shift but delivers genuine rewards. December's Christmas lights on Oxford Street, Carnaby Street, and Covent Garden are spectacular. Winter markets operate at Southbank and Hyde Park. January and February offer London at its emptiest and cheapest — the British Museum and National Gallery with space to breathe. The weather is cold (4–9°C) and grey, but the cultural offering doesn't diminish at all.
Monthly Climate & Crowd Guide
May
✓ RecommendedChelsea Flower Show mid-month. Comfortable weather, lower prices than summer, and the parks at their greenest.
Season by Season
Pros, cons, and ideal traveller types for each season.
Spring
March – May
London's parks transform spectacularly in spring — Hyde Park, Regent's Park, and Kew Gardens are at their most beautiful. May is the standout month: Chelsea Flower Show, comfortable 19°C days, and prices noticeably below summer peak.
Pros
- Kew Gardens and Hyde Park in bloom
- Chelsea Flower Show (May)
- Comfortable walking temperatures
- Lower prices than summer
- Easter events and markets
Cons
- Unpredictable weather — can be sunny and cold in the same day
- Easter school holidays add domestic crowds
- March can still be quite cold
Ideal for
Average daily budget (USD)
Summer
June – August
London at its warmest, most social, and most expensive. Wimbledon, Hyde Park concerts, open-air theatre at Shakespeare's Globe, and Notting Hill Carnival all define the season. June is the best summer month — festival season begins but the August intensity hasn't yet arrived.
Pros
- Wimbledon (late June/July)
- Hyde Park concerts (BST festival, July)
- Notting Hill Carnival (late August)
- Open-air cinema and theatre
- Long daylight (over 16 hours at summer solstice)
Cons
- Most expensive hotel prices of the year
- Long queues at Tower of London and British Museum
- Crowded public transport
- Occasional heat waves (30°C+) with no AC on Tube
Ideal for
Average daily budget (USD)
Autumn
September – November
London's cultural autumn is genuinely exciting. The London Film Festival, Frieze Art Fair, gallery and theatre season openings, and Bonfire Night all fill October and November. Prices fall steadily as the season progresses. September is the warmest and most popular autumn month.
Pros
- London Film Festival (October)
- Frieze Art Fair (October)
- Autumn colours in Richmond and Kew
- Lower prices than summer
- Theatre season at its richest
- Bonfire Night (November 5)
Cons
- Rain increases from October
- Shorter days
- November can be quite grey
Ideal for
Average daily budget (USD)
Winter
December – February
December is London's festive high point — Christmas lights, markets, and a city-wide decorative effort that's genuinely impressive. January and February are the quietest and cheapest months, with world-class museums offering near-private access. The cold is manageable (4–9°C) and rarely extreme.
Pros
- Christmas lights and markets (December)
- Hyde Park Winter Wonderland (Dec)
- Cheapest hotel prices (Jan–Feb)
- British Museum and V&A with no queues
- London's theatre season (West End at full capacity)
- January sales
Cons
- Cold and grey (4–8°C)
- Short daylight (8 hours in December)
- Hyde Park concerts season finished
Ideal for
Average daily budget (USD)
Events & Festivals
Key events that can shape when you visit — and when you should book further ahead.
Month-by-Month Overview
All 12 months at a glance — temperature, rainfall, sunshine, crowds, and price.
| Month | High/Low °C | Rain (mm) | Sun (h/day) | Crowds | Prices |
|---|---|---|---|---|---|
January | 8° / 4° | 55 | 2 | ||
February | 9° / 4° | 40 | 3 | ||
March | 12° / 6° | 44 | 4 | ||
AprilShoulder | 15° / 8° | 43 | 6 | ||
MayBest | 19° / 11° | 49 | 6 | ||
JuneBest | 22° / 14° | 45 | 7 | ||
JulyBest | 24° / 16° | 44 | 7 | ||
AugustPeak | 24° / 16° | 49 | 7 | ||
SeptemberBest | 20° / 13° | 49 | 5 | ||
OctoberShoulder | 15° / 10° | 68 | 4 | ||
November | 11° / 6° | 59 | 2 | ||
December | 8° / 4° | 55 | 2 |
Frequently Asked Questions
Common questions about timing a trip to London.
What is the best time to visit London?
Does it rain a lot in London?
Is London expensive?
When is London cheapest to visit?
Is it worth visiting London in December?
How crowded is London in summer?
What are the best events in London in summer?
Do I need to book London attractions in advance?
Plan Your Trip to London
Other Destination Guides
methodology
How we built this guide for London
This guide is based on published meteorological data, historical tourist arrival statistics, and firsthand travel experience across European destinations. Climate figures represent long-term monthly averages.
Climate data
Monthly temperature, rainfall, and sunshine figures draw from long-term meteorological averages. We use high/low °C averages rather than mean temperatures to give a more practical planning picture.
Crowd levels
Crowd ratings are derived from published tourism arrival data, visitor cap announcements, and historical patterns at major sights. They reflect relative intensity within the destination — not an absolute global comparison.
Price index
Price estimates draw from aggregated hotel rate data and published travel cost surveys. They reflect typical mid-range traveller costs and fluctuate with annual booking patterns.
Events calendar
Event dates are verified annually. Some events (Carnival, Easter) fall on different dates each year — confirm exact dates before booking travel around them.