July weather forecast
London, United Kingdom

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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 the peak of summer in London, typically registering the highest average temperatures. Compared to June, it's unmistakably hotter and can be increasingly humid at times. While August presents similar weather characteristics, temperatures are likely to start dropping slightly. Despite the increased warmth, July maintains a pleasant atmosphere suitable for sightseeing and outdoor activities. In July, an average peak temperature of 22.3°C makes it the hottest month of the year.

Temperature

With average temperatures fluctuating between a high of 22.3°C and a low of 13.5°C, July stands out as the warmest month in London, United Kingdom.

Humidity

The average relative humidity in July in London is 73%.

Rainfall

In London, in July, it is raining for 16.5 days, with typically 36mm of accumulated precipitation. In London, during the entire year, the rain falls for 151.7 days and collects up to 370mm of precipitation.

Snowfall

May through October are months without snowfall in London.

Daylight

The average length of the day in July is 16h and 6min.
On the first day of July, sunrise is at 4:47 am and sunset at 9:21 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:51 pm BST.

Sunshine

The average sunshine in July in London 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 estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in July transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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FAQ

What is the warmest month in London?

July temperatures in London tend to peak at an average high of 22.3°C and dip to a low of 13.5°C.

What is the temperature in July in London?

July temperatures in London, United Kingdom, vary between a high-temperature of 22.3°C and a low-temperature of 13.5°C.

What is the average humidity in July in London?

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

How much does it rain in London in July?

In July, in London, United Kingdom, the rain falls for 16.5 days. Throughout July, 36mm of precipitation is accumulated.

When it does not snow in London?

In London, snow does not fall in May through October.

How many hours of daylight does London have in July?

The average day length in July in London is 16h and 6min.

What time are sunrise and sunset in July in London?

In July, on the first day of the month, sunrise is at 4:47 am and sunset at 9:21 pm. On the last day of the month, in London, United Kingdom, sunrise is at 5:22 am and sunset at 8:51 pm BST.

How many hours of sunshine does London have in July?

In July, the average sunshine duration 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 in London, United Kingdom.

What is the UV index intensity in July in London?

In London, United Kingdom, the average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).
The 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).
The 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: 16h and 1min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in July: 7h and 5min

The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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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

The months with the highest UV index are June and July (UV index 5).
The 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

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

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London, United Kingdom

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