July weather forecast and climate
London, United Kingdom

The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom
The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom

Weather in July

July is a pleasant summer month in London, United Kingdom, with temperature in the range of an average low of 13.5°C (56.3°F) and an average high of 22.3°C (72.1°F).

Temperature

With an average high-temperature of 22.3°C (72.1°F) and an average low-temperature of 13.5°C (56.3°F), July is the warmest month.

Humidity

In July, the average relative humidity in London is 73%.

Rainfall

In London, United Kingdom, during July, the rain falls for 16.5 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, in London, United Kingdom, there are 151.7 rainfall days, and 370mm (14.57") of precipitation is accumulated.

Snowfall

In London snow does not fall in May through October.

Daylight

In London, the average length of the day is 16.1h.

Sunshine

In July, the average sunshine is 7.8h.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in July interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in London?

July is the warmest month in London, with an average high-temperature of 22.3°C (72.1°F) and an average low-temperature of 13.5°C (56.3°F).

What is the temperature in July in London?

In London, United Kingdom, in July, the average high-temperature is 22.3°C (72.1°F), and the average low-temperature is 13.5°C (56.3°F).

What is the average humidity in July in London?

In London, the average relative humidity in July is 73%.

How many days does it rain in July in London?

In London, United Kingdom, during July, the rain falls for 16.5 days and regularly aggregates up to 36mm (1.42") of precipitation.

When it does not snow in London?

May through October are months without snowfall in London.

What is the average length of the day in July in London?

In London, United Kingdom, the average length of the day in July is 16.1h.

How many hours of sunshine does London have in July?

In July, the average sunshine in London, United Kingdom, is 7.8h.

What is the month with the highest UV index in London?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in July in London?

In July, the average daily maximum UV index in London is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in July
London, United Kingdom

Average temperature in July - London, United Kingdom
  • Average high temperature in July: 22.3°C

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in July: 13.5°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).

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Average pressure in July
London, United Kingdom

Average pressure in July - London, United Kingdom
  • Average pressure in July: 1015.3mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

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Average wind speed in July
London, United Kingdom

Average wind speed in July - London, United Kingdom
  • Average wind speed in July: 12.7km/h

The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is September (12.6km/h).

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Average humidity in July
London, United Kingdom

Average humidity in July - London, United Kingdom
  • Average humidity in July: 73%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in July
London, United Kingdom

Average rainfall in July - London, United Kingdom
  • Average rainfall in July: 36mm

The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is April (22mm).

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Average rainfall days in July
London, United Kingdom

Average rainfall days in July - London, United Kingdom
  • Average rainfall days in July: 16.5 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (9.8 days).

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Average snowfall in July
London, United Kingdom

Average snowfall in July - London, United Kingdom
  • Average snowfall in July: 0mm

The month with the highest snowfall is February (16mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in July
London, United Kingdom

Average snowfall days in July - London, United Kingdom
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2.5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
London, United Kingdom

Average daylight in July / Average sunshine in July - London, United Kingdom
  • Average daylight in July: 16.1h

The month with the longest days is June (Average daylight: 16.5h).
The month with the shortest days is December (Average daylight: 7.9h).

  • Average sunshine in July: 7.8h

The month with the most sunshine is August (Average sunshine: 7.9h).
The month with the least sunshine is February (Average sunshine: 3.6h).

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Average sunshine days in July
London, United Kingdom

Average sunshine days in July - London, United Kingdom
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is June (12.2 days).

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Average UV index in July
London, United Kingdom

Average UV index in July - London, United Kingdom
  • Average UV index in July: 5

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in July
London, United Kingdom

Average cloud cover in July - London, United Kingdom
  • Average cloud cover in July: 51

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).

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Average visibility in July
London, United Kingdom

Average visibility in July - London, United Kingdom
  • Average visibility in July: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
Months with the lowest visibility are September and November (8km).

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