Climate guide for London, United Kingdom

London in July

Weather, crowds & best time to visit

How to read the score (0–10)
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July · United Kingdom

Best time to visit London in July Weather, crowds & prices

Weather in London in July

Average temperature 18°C, 49 mm of rain, about 21 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

July score

9.2/10

Ranked #2 of 12 months

Full year for London
Avg temp
18°C
Rainfall
49 mm
Humidity
74%
Days with 6h+ sun
21
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

July in London scores 9.2/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 18°C, 49 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.

A historic capital of theatres, museums, and rain-kissed culture, where mild summers invite leisurely strolls through its storied streets.

July is one of the strongest months in London (2nd)

Temperatures hover around 18°C (65°F) — the kind of month where neither heat nor cold forces the schedule.

Budget for roughly 49 mm of rain this month — a flexible day or two helps — with about 21 days with 6+ hours of sunshine and 16 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for London at 9.2/10 (2nd of 12), just behind June at 9.4/10.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in London in July?
In July, London averages 18°C, 49 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 9.2/10.
Is July a good time to visit London?
July earns a 9.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in London in July?
Expect about 49 mm of rain in July. Average humidity is 74% and there are about 21 days with 6+ hours of sunshine.

Curated in London

Tickets & experiences

Things to do in London

London, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.