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July Weather in Harlington, United Kingdom

Last updated: August 27, 2025

In July, the average temperature in Harlington, United Kingdom hovers around 18°C (65°F), with a range that can dip as low as 8°C (46°F) or soar to a peak of 37°C (98°F). Expect a moderate precipitation amount of 67 mm (2.6 in) spread over about 13 days, coupled with an average humidity level of 71%.

July Temperature in Harlington

In July in Harlington, the average temperature is 18°C (65°F). Maximums can reach 37°C (98°F) and minimums can be as low as 8°C (46°F). This range makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for temperature fluctuations.

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

The chart illustrates July temperature patterns in Harlington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harlington, July typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (98°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485561656359534643
Data source: Temperature data for Harlington generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Harlington

In Harlington in July, the precipitation amount is 67 mm (2.6 in) spread over 13 days.

July Precipitation Trends in Harlington

The chart displays monthly precipitation patterns in Harlington, 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 Harlington, July typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec534957366774677051905381
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Harlington

In Harlington in July humidity is 71%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it a bit sticky and muggy, which can be slightly uncomfortable for traveling, especially if you're engaging in outdoor activities or exploring the city on foot.

July Average Humidity in Harlington

This chart illustrates the average monthly humidity levels in Harlington, 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 Harlington is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Harlington

In Harlington 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 Harlington.

Maximum UV Index Levels in Harlington for July

The chart shows the monthly maximum UV Index (UVI) for Harlington 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 Harlington typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Harlington 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 Harlington Compares to Other Months

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

This table compares monthly weather conditions in Harlington, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)53 mm (2.1 inches)91%low
February Weather6°C (43°F)49 mm (1.9 inches)89%low
March Weather7°C (45°F)57 mm (2.2 inches)86%moderate
April Weather9°C (49°F)36 mm (1.4 inches)85%moderate
May Weather13°C (55°F)67 mm (2.6 inches)79%high
June Weather16°C (61°F)74 mm (2.9 inches)80%very high
July Weather18°C (65°F)67 mm (2.6 inches)71%very high
August Weather17°C (64°F)70 mm (2.8 inches)76%high
September Weather15°C (59°F)51 mm (2.0 inches)82%high
October Weather11°C (53°F)90 mm (3.6 inches)90%moderate
November Weather8°C (46°F)53 mm (2.1 inches)92%low
December Weather6°C (43°F)80 mm (3.2 inches)92%low

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