Skip to content
WeatherCompare

Monthly climate guide

London weather in July

Expect warm weather in London in July: afternoons reach about 23°C (73°F), while nights drop to around 12°C (54°F). Around 57 mm of rain falls over the month (some rain), and skies are often cloudy. Daytime highs are 3°C warmer than June and about the same as August.

What stands out in July

  • In London, July is mid-summer.
  • Just 80 km apart, but London runs about 2°C warmer than Brighton this month.
  • Comfortable temperatures make it easy to walk between Buckingham Palace and Tower of London.

July is typically London's warmest month.

Avg high

23°C

73°F

Avg low

12°C

54°F

Rainfall

57 mm

some rain

Humidity

75%

relative

Sky

67%

cloud · often cloudy

London weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in London
MonthAvg highAvg lowRainHumidityCloud cover
January7°C / 45°F2°C / 35°F67 mm93%73%
February8°C / 46°F2°C / 35°F51 mm90%73%
March11°C / 51°F3°C / 37°F48 mm85%71%
April14°C / 57°F4°C / 40°F42 mm81%66%
May17°C / 63°F7°C / 45°F50 mm78%69%
June20°C / 68°F10°C / 51°F66 mm78%72%
July23°C / 73°F12°C / 54°F57 mm75%67%
August22°C / 72°F12°C / 54°F66 mm77%72%
September20°C / 68°F10°C / 50°F46 mm80%65%
October15°C / 60°F8°C / 46°F75 mm87%72%
November11°C / 51°F5°C / 40°F71 mm92%74%
December8°C / 47°F3°C / 38°F83 mm94%75%

What to pack for July

  • T-shirts plus a light layer for the evening
  • Comfortable trainers or sandals for long walks
  • A small travel umbrella, just in case
Full season-by-season packing guide →

Is July a good time to visit London?

Our London guide recommends: May to September for the warmest, driest weather and the longest daylight hours.

Many of London's biggest museums — including the British Museum — are free to enter, though special exhibitions carry a charge.

Best time to visit London →

Other United Kingdom cities in July

Cite or embed this data

Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.

Citation
London weather in July. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/uk/london/july
HTML link
<a href="https://weathercompare.eu/weather/uk/london/july">London weather in July</a> (WeatherCompare)
Embed widget
<iframe src="https://weathercompare.eu/embed/uk/london" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="London weather in July"></iframe>
<p style="font-size:12px"><a href="https://weathercompare.eu/weather/uk/london/july">London weather in July</a> – WeatherCompare</p>

London in July: quick answers

Is July a good time to visit London?

July is a reasonable time for London: highs around 23°C and about 57 mm of rain, though not one of the three best months.

How warm is London in July?

Average highs are about 23°C (73°F) and average lows about 12°C (54°F), based on 10 years of daily data.

Does it rain a lot in London in July?

London typically gets around 57 mm of rain in July — some rain.

When is the best time to visit London?

May to September for the warmest, driest weather and the longest daylight hours.

Figures are long-term averages for the area around London (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.