July Weather in Purley, United Kingdom

Last updated: August 27, 2025

In July, the average temperature in Purley, United Kingdom hovers around 18°C (65°F), providing a mild climate. However, temperatures can swing from a chilly 9°C (48°F) to a warm 35°C (96°F). Visitors should be prepared for some rain, with 66 mm (2.6 in) of precipitation expected over 11 days. With an average humidity of 76%, the weather can feel quite humid, making it ideal for those who enjoy a subtropical environment.

July Temperature in Purley

In July in Purley, the average temperature is 18°C (65°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 9°C (48°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for both warm days and cooler evenings.

July Weather in Purley: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Purley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Purley, July typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (48°F).

Data source: Temperature data for Purley generated using information from the Copernicus Climate Change Service.

July Precipitation in Purley

In Purley in July, the precipitation amount is 66 mm (2.6 in) spread over 11 days.

July Precipitation Trends in Purley

The chart displays monthly precipitation patterns in Purley, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Purley, July typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Purley

In Purley in July, humidity is 76%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel a little sticky but enjoyable, as long as you stay hydrated and take breaks in the shade.

July Average Humidity in Purley

This chart illustrates the average monthly humidity levels in Purley, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Purley is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Purley

In Purley in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Purley.

Maximum UV Index Levels in Purley for July

The chart shows the monthly maximum UV Index (UVI) for Purley in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Purley typically reaches 8, which falls under the very high exposure category.

Data source: Purley July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Purley Compares to Other Months

Weather in Purley varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Purley, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Purley, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	56 mm (2.2 inches)	91%	low
February Weather	6°C (43°F)	59 mm (2.3 inches)	89%	low
March Weather	7°C (46°F)	56 mm (2.2 inches)	86%	moderate
April Weather	9°C (49°F)	36 mm (1.4 inches)	85%	moderate
May Weather	13°C (55°F)	66 mm (2.6 inches)	82%	high
June Weather	16°C (62°F)	87 mm (3.4 inches)	81%	very high
July Weather	18°C (65°F)	66 mm (2.6 inches)	76%	very high
August Weather	17°C (64°F)	79 mm (3.1 inches)	73%	high
September Weather	15°C (59°F)	48 mm (1.9 inches)	80%	high
October Weather	12°C (53°F)	85 mm (3.4 inches)	89%	moderate
November Weather	8°C (46°F)	56 mm (2.2 inches)	92%	low
December Weather	6°C (44°F)	92 mm (3.6 inches)	92%	low