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April Weather in Old Windsor, United Kingdom

Last updated: August 27, 2025

In April, the average temperature in Old Windsor, United Kingdom hovers around 10°C (49°F), with minimum lows dipping to -2°C (29°F) and maximum highs reaching up to 26°C (80°F). Expect precipitation of 33 mm (1.3 in) over about 8 days, contributing to a notably high average humidity of 85%.

April Temperature in Old Windsor

In April in Old Windsor, the average temperature is 10°C (49°F). Maximums can reach 26°C (80°F) and minimums can be as low as -2°C (29°F). It's a season of varied temperatures, so travelers should pack layers to enjoy the diverse weather comfortably.

April Weather in Old Windsor: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Old Windsor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Old Windsor, April typically has an average temperature of 10°C (49°F), with highs reaching up to 26°C (80°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345495562656459534643
Data source: Temperature data for Old Windsor 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 Old Windsor

In Old Windsor in April, the precipitation amount is 33 mm (1.3 in) during a span of 8 days.

April Precipitation Trends in Old Windsor

The chart displays monthly precipitation patterns in Old Windsor, 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 Old Windsor, April typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec525255336374646745865382
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Old Windsor

In Old Windsor in April humidity is 85%. With an average temperature of 10°C (49°F), this humidity feels like an unrelenting blanket, making outdoor activities less enjoyable and forcing travelers to seek shelter more often.

April Average Humidity in Old Windsor

This chart illustrates the average monthly humidity levels in Old Windsor, 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 Old Windsor is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Old Windsor

In Old Windsor 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 Old Windsor.

Maximum UV Index Levels in Old Windsor for April

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

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

This table compares monthly weather conditions in Old Windsor, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)52 mm (2.1 inches)91%low
February Weather6°C (43°F)52 mm (2.0 inches)89%low
March Weather7°C (46°F)55 mm (2.2 inches)86%moderate
April Weather10°C (49°F)33 mm (1.3 inches)85%moderate
May Weather13°C (55°F)63 mm (2.5 inches)79%high
June Weather16°C (62°F)74 mm (2.9 inches)80%very high
July Weather18°C (65°F)64 mm (2.5 inches)71%very high
August Weather18°C (64°F)67 mm (2.6 inches)76%high
September Weather15°C (59°F)45 mm (1.8 inches)82%high
October Weather12°C (53°F)86 mm (3.4 inches)90%moderate
November Weather8°C (47°F)53 mm (2.1 inches)92%low
December Weather6°C (44°F)82 mm (3.2 inches)92%low

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