City break

London weather in July

Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

80

Holiday weather in July

Excellent

Best time to visit: May – September

Air temperature22°CNight 14°
Sea temperature–no sea nearby
Sunshine7hrs / dayof 16.2 h daylight
Rainy days10days / month58 mm

What is the weather like in London in July?

In July, London is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 58 mm in total. All in all, July is an excellent month for a holiday in London.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score818077
Day20°22°22°
Night12°14°14°
Sun7 h7 h6 h
Rain days101010

More details for July

Daylight
16 h 13 min05:00 – 21:13
UV index
7 · highclear sky, noon (estimate)
Muggy days
0 daysdew point 18 °C or more
Wind
18 km/haverage daily peak
Cloud cover
64 %on average
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+1Europe/London

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %67 %
  • Few rainy daysweight 30 %54 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in July

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

London in July: quick answers

Is London hot in July?

Warm rather than hot: in July, daytime highs in London average 22 °C and nights cool to about 14 °C.

Does it rain much in London in July?

Rain is frequent, with about 10 rainy days and 58 mm in total.

London month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)