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April Weather in Harley, United Kingdom

Last updated: August 27, 2025

In April, the average temperature in Harley, United Kingdom is a cool 9°C (48°F). Expect a range from a chilly -3°C (26°F) at its lowest to a comfortable 22°C (73°F) at its highest. With an average precipitation of 50 mm (2.0 in) spread over 9 days, and a high humidity level of 84%, be prepared for some damp and brisk days ahead!

April Temperature in Harley

In April in Harley, the average temperature is 9°C (48°F). The maximum can reach 22°C (73°F) and the minimum can be as low as -3°C (26°F). Be prepared for a range of weather conditions during your travels, and pack accordingly!

April Weather in Harley: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Harley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harley, April typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (73°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec404244475359636157524543
Data source: Temperature data for Harley 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.

April Precipitation in Harley

In Harley in April, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

April Precipitation Trends in Harley

The chart displays monthly precipitation patterns in Harley, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Harley, April typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec546573507184687560917386
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Harley

In Harley in April, humidity is 84%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that envelops you, making it essential to dress in layers and stay active, as the moisture in the air can quickly lead to discomfort while traveling.

April Average Humidity in Harley

This chart illustrates the average monthly humidity levels in Harley, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Harley is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Harley

In Harley in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Harley.

Maximum UV Index Levels in Harley for April

The chart shows the monthly maximum UV Index (UVI) for Harley in April, 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 April, the maximum UV index in Harley typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Harley April 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 April Weather in Harley Compares to Other Months

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

This table compares monthly weather conditions in Harley, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)54 mm (2.1 inches)89%low
February Weather6°C (42°F)65 mm (2.5 inches)88%low
March Weather7°C (44°F)73 mm (2.9 inches)86%moderate
April Weather9°C (48°F)50 mm (2.0 inches)84%moderate
May Weather12°C (53°F)71 mm (2.8 inches)79%high
June Weather15°C (59°F)84 mm (3.3 inches)81%very high
July Weather17°C (63°F)68 mm (2.7 inches)78%very high
August Weather16°C (61°F)75 mm (3.0 inches)79%high
September Weather14°C (57°F)60 mm (2.3 inches)85%high
October Weather11°C (52°F)91 mm (3.6 inches)90%moderate
November Weather7°C (46°F)73 mm (2.9 inches)91%low
December Weather6°C (43°F)85 mm (3.4 inches)89%low

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