Temperatures in July
It's warm in July in London with an average temperature of 27°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 14°C and 18°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for London in July. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of July
The month of July starts in London with hot temperatures, averaging around 28°C during the day and nights close to 16°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-July
By mid-July, the average daytime temperature drops to around 27°C, with nights close to 17°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
Temperatures vary between day and night, so it’s smart to wear layers.
End of July
By the end of July, the average daytime temperature in London will be around 27°C, with nights close to 17°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
Discover cheap trips to London 
Precipitation in July
In July, there is an average of 138 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 29% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in July for London. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
London in July |
UK | ||
|---|---|---|---|
 Average Temperature |
27°C | 23°C | |
 High Temp |
30°C | 27°C | |
| Low Temp |
25°C | 21°C | |
 Total Precipitation |
138 mm | 52 mm | |
| Rainy Days |
9 days | 9 days | |
June
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is July a good time to visit London?
After some sun? Then July isn’t the best time to be in London. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for London in July
With 34°C, London hit the highest temperature in the last 10 years in July 2020. The lowest daytime temperature in this month was 17°C in 2021. The extreme night temperatures ranged from a low of 8°C to a high of 24°C.
Check out the climate of London for all months and discover the best travel time
Curious about the climate in other parts of Canada? Check out the weather and climate in places like Vancouver, Toronto, Niagara Falls, or have a look at other destinations in Canada.
Plan your next holiday
Don’t miss the best holiday deals for London and see what our partners have for you.
Daily Temperature in July in London
This chart shows the average daily temperatures, both day and night, for each day in July in London, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in London
The chart below shows the average daily precipitation in July for London, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for July, you can expect around 9 days of rain in London.
Daily UV Index in July in London
This chart shows the average daily UV index in July in London, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in July in London Over the Years
This chart shows the average temperature in July in London, measured in degrees Celsius, over the past years.
Total Precipitation in July in London Over the Years
This chart shows the average precipitation in July in London, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in July for London
Click on a specific day in July for detailed info on the typical weather on that day in London. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in London
The weather in July in London is rated 0 out of 5 stars by 1 visitor. Have you been to London? Share your weather experience to help other visitors.
Have you been to London in July?
Share your weather experience in July in London.
Average Weather in London by Month
Click on a month below to see detailed weather info for London. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
