Avg high
23°C
Avg low
14°C
Rainfall
66 mm
Rain days
10.8
Sunshine
11.2 h/day
Daylight
16 h
What to pack for London in July
- t-shirts and light layers
- a light jacket for evenings
- a compact umbrella or rain shell — rain is frequent
Humidity averages 71%; max daily wind around 21 km/h.
How July compares
Best months in London: June–August. See the full best time to visit London guide.
London in July: the details
In July, London sees average daytime highs of 23°C (73°F) and overnight lows of 14°C (57°F). Rainfall totals roughly 66 mm across 10.8 rainy days, and the sun shines about 11.2 hours per day with 16 hours of daylight mid-month. Relative humidity averages 71%.
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for London, United Kingdom (51.51, -0.13) — see our methodology. Actual conditions vary year to year.
Where should you go next month?
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