April Weather in Windsor, United States

Last updated: June 24, 2025

In Windsor, United States, the average temperature in April hovers around 7°C (44°F). You'll experience a chilly minimum of -6°C (22°F) at times, while the mercury can rise to a pleasant 25°C (78°F) on warmer days. Expect 124 mm (4.9 in) of precipitation spread over approximately 13 days, contributing to an average humidity level of 81%.

April Temperature in Windsor

In April in Windsor, the average temperature is 7°C (44°F). The maximum can reach 25°C (78°F), while the minimum can drop as low as -6°C (22°F). Be prepared for a wide range of temperatures, so pack accordingly for your trip!

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

The chart illustrates April temperature patterns in Windsor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Windsor, April typically has an average temperature of 7°C (44°F), with highs reaching up to 25°C (78°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec242632445465707062513828
Data source: Temperature data for 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 Windsor

In Windsor in April, the total precipitation amount is 124 mm (4.9 in) over a span of 13 days.

April Precipitation Trends in Windsor

The chart displays monthly precipitation patterns in 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 Windsor, April typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec88877212481641057773129109121
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Windsor

In Windsor in April humidity is 81%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress warmly while exploring.

April Average Humidity in Windsor

This chart illustrates the average monthly humidity levels in 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 Windsor is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%85%81%76%74%74%74%77%82%85%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Windsor

In Windsor in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Windsor.

Maximum UV Index Levels in Windsor for April

The chart shows the monthly maximum UV Index (UVI) for 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 Windsor typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: 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 Windsor Compares to Other Months

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

This table compares monthly weather conditions in Windsor, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)88 mm (3.5 inches)88%low
February Weather-3°C (26°F)86 mm (3.4 inches)88%moderate
March Weather0°C (33°F)72 mm (2.8 inches)85%moderate
April Weather7°C (44°F)124 mm (4.9 inches)81%high
May Weather12°C (55°F)80 mm (3.2 inches)76%very high
June Weather18°C (65°F)64 mm (2.5 inches)74%very high
July Weather21°C (71°F)105 mm (4.1 inches)74%very high
August Weather21°C (70°F)77 mm (3.0 inches)74%very high
September Weather17°C (63°F)73 mm (2.9 inches)77%high
October Weather11°C (52°F)129 mm (5.1 inches)82%moderate
November Weather3°C (38°F)109 mm (4.3 inches)85%moderate
December Weather-2°C (28°F)121 mm (4.8 inches)84%low

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