United Kingdom London Weather in July — Climate Guide
July in London is Excellent
July is Excellent for London.
Warmest month, peak tourist season. School holidays start mid-month — every museum jammed. Wimbledon Championships (Centre Court tickets via public ballot 6 months earlier OR queue overnight for £30 grounds tickets), BBC Proms at Royal Albert Hall (cheap £8 standing 'promming' tickets day of show). Heatwaves (37°C+) are increasingly common; hotels without AC become unbearable.
Travel score
Summer + Wimbledon + Pride + Korean holiday
July Weather at a Glance
July averages 73°F / 23°C highs and 57°F / 14°C lows — high summer. 8 rainy days, 45mm. Humidity 70% + 7 hours of sunshine. Heatwave 85°F+ / 30°C+ possible. British Summer.
July Travel Advice
Short sleeves + cardigan + SPF 30 + water bottle + walking shoes. First weekend of July Wimbledon Finals (tennis Grand Slam finals) + first Saturday of July Pride in London (LGBTQ+ parade, 1 million+ spectators) signature. BBC Proms (mid-July to mid-September, Royal Albert Hall, classical music festival).
Flying In from Overseas
Korean working-professional summer holiday — Asia-London $1,260-1,960 round-trip. First week of July + Wimbledon value.
July Pricing Trends
Korean summer + peak — Covent Garden 3-star $350-630/night. Mayfair 5-star $1,050-1,750.
London July Weather Stats
Avg High
23°C
Avg Low
14°C
Rainy Days
6
45mm total
Sunshine
7h
Daily avg
Humidity
65%
Mild
UV Index
6
High
Wind
12 km/h
Gusts 22
Sea Temp
17°C
Avg water temp
Crowds
Very busy
At attractions
July Sunrise & Sunset
Air Quality
PM2.5
23 μg/m³
PM10
35 μg/m³
Status
Moderate
Feels-Like Temperature & Wind
Feels like
Daytime
23°C
Nighttime
13°C
Humidity and wind affect how the actual temperature feels.
Wind
12 km/h
Max gust 22 km/h
Activities Recommended for July
July Travel Pros & Cons
Pros
- Warmest weather
- Wimbledon spectacle
- BBC Proms concerts
- Outdoor cinema (Somerset House)
Cons
- School holiday crowds (mid-July onward)
- Tube heat in tunnels (no AC)
- Heatwave risk (30°C+) with no widespread AC
July Events & Festivals
- Wimbledon Championships
- BBC Proms (mid-July to Sep)
- British Summer Time festival in Hyde Park
London in July — Full Picture
Warmest month, peak tourist season. School holidays start mid-month — every museum jammed. Wimbledon Championships (Centre Court tickets via public ballot 6 months earlier OR queue overnight for £30 grounds tickets), BBC Proms at Royal Albert Hall (cheap £8 standing 'promming' tickets day of show). Heatwaves (37°C+) are increasingly common; hotels without AC become unbearable.
What to Wear & What to Pack
T-shirts and shorts/skirts. Light jacket for evenings (still chilly to 12-15°C). Heatwaves (rare but climbing 30°C+) catch the city off-guard — most hotels and the entire Tube system lack air conditioning.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
14°C
6.3°C
8.7/mo
Summer (Jun·Jul·Aug)
Current21.7°C
13.3°C
6.7/mo
Autumn (Sep·Oct·Nov)
15°C
8°C
9.3/mo
Winter (Dec·Jan·Feb)
8.3°C
2.3°C
10.3/mo
London Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 8° | 2° | 11d·55mm | 1.5h | 80% | 1 | Quiet | Low season | |
| 9° | 2° | 9d·40mm | 2h | 78% | 2 | Quiet | Low season | |
| 11° | 4° | 9d·40mm | 3.5h | 73% | 3 | Moderate | Shoulder | |
| 14° | 6° | 9d·45mm | 5h | 70% | 4 | Moderate | Shoulder | |
| 17° | 9° | 8d·45mm | 6.5h | 68% | 5 | Busy | Peak | |
| June (Best) | 20° | 12° | 7d·45mm | 7h | 65% | 6 | Busy | Peak |
| July (Best) | 23° | 14° | 6d·45mm | 7h | 65% | 6 | Very busy | Peak |
| 22° | 14° | 7d·50mm | 6.5h | 66% | 5 | Very busy | Peak | |
| 19° | 11° | 8d·50mm | 5h | 70% | 4 | Busy | Peak | |
| 15° | 8° | 10d·70mm | 3.5h | 76% | 3 | Moderate | Shoulder | |
| 11° | 5° | 10d·65mm | 2h | 79% | 1 | Moderate | Shoulder | |
| 8° | 3° | 11d·55mm | 1.5h | 81% | 1 | Very busy | Peak |
View Other Months
London July Hotel Picks
Frequently Asked Questions
Is July a good time to visit London?
London in July is Excellent. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in London in July?
London July averages a high of 23°C and a low of 14°C.
Does it rain much in London in July?
London July averages 45mm of rainfall over about 6 rainy days.
What should I wear in London in July?
T-shirts and shorts/skirts. Light jacket for evenings (still chilly to 12-15°C). Heatwaves (rare but climbing 30°C+) catch the city off-guard — most hotels and the entire Tube system lack air conditioning.
What time are sunrise and sunset in London in July?
London July sunrise is 05:00 and sunset is 21:10, with 16h 10m of daylight.
What's the air quality like in London in July?
London July air quality (AQI) averages 52, rated Moderate. PM2.5 averages 23μg/m³.
What activities are recommended in London in July?
In July, London is great for Wimbledon, BBC Proms, Outdoor cinema.
Is July peak season in London?
London July crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit London
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.