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April Weather in Windsor, United States

Last updated: June 24, 2025

In Windsor, United States, the average temperature in April hovers around 13°C (55°F). Be prepared for a range of temperatures, with a minimum dipping to -6°C (22°F) and a potential maximum soaring to 31°C (88°F). Expect 111 mm (4.4 in) of precipitation spread over 11 days, contributing to an average humidity of 77%.

April Temperature in Windsor

In April in Windsor, the average temperature is 13°C (55°F), with maximums reaching up to 31°C (88°F) and minimums dropping as low as -6°C (22°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort throughout the day.

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 13°C (55°F), with highs reaching up to 31°C (88°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec333548556777807773584540
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 precipitation amount is 111 mm (4.4 in), occurring over the course of 11 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 111 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec646011511118310712510365985337
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 77%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill in the air, making travel somewhat uncomfortable as the moisture clings to your skin and adds a heavier weight to your clothing, which can sap your energy as you explore.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35610101111109753
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 Weather1°C (33°F)64 mm (2.5 inches)80%moderate
February Weather2°C (35°F)59 mm (2.3 inches)78%moderate
March Weather9°C (48°F)115 mm (4.5 inches)75%high
April Weather13°C (55°F)111 mm (4.4 inches)77%very high
May Weather19°C (67°F)183 mm (7.2 inches)82%very high
June Weather25°C (77°F)106 mm (4.2 inches)83%extreme
July Weather27°C (80°F)125 mm (4.9 inches)81%extreme
August Weather25°C (77°F)103 mm (4.1 inches)78%very high
September Weather23°C (73°F)65 mm (2.6 inches)72%very high
October Weather15°C (59°F)98 mm (3.8 inches)72%high
November Weather7°C (46°F)53 mm (2.1 inches)84%moderate
December Weather4°C (40°F)37 mm (1.5 inches)86%moderate

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