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April Weather in Windsor, United States

Last updated: June 24, 2025

In April, the average temperature in Windsor, United States is a cool 8°C (47°F), with minimum lows dipping to -13°C (9°F) and soaring highs reaching up to 29°C (85°F). Expect approximately 53 mm (2.1 in) of precipitation over about 10 days, accompanied by a moderate average humidity level of 67%.

April Temperature in Windsor

In April in Windsor, the average temperature is 8°C (47°F), with maximums reaching 29°C (85°F) and minimums dropping as low as -13°C (9°F). It's advisable to pack layers to accommodate the wide temperature range during your travels.

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 8°C (47°F), with highs reaching up to 29°C (85°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec302940475568747265484033
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 53 mm (2.1 in) spread over a duration of 10 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 53 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1723535311640303726362116
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 67%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making traveling slightly uncomfortable as the damp air clings to your skin, often leaving you feeling colder than the actual temperature suggests.

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 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%75%67%67%68%62%63%63%72%80%85%
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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46811111212119643
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-1°C (30°F)17 mm (0.7 inches)84%moderate
February Weather-2°C (29°F)23 mm (0.9 inches)85%high
March Weather4°C (40°F)53 mm (2.1 inches)75%very high
April Weather8°C (47°F)53 mm (2.1 inches)67%extreme
May Weather13°C (56°F)116 mm (4.6 inches)67%extreme
June Weather20°C (68°F)40 mm (1.6 inches)68%extreme
July Weather23°C (74°F)30 mm (1.2 inches)62%extreme
August Weather22°C (72°F)37 mm (1.5 inches)63%extreme
September Weather19°C (66°F)26 mm (1.0 inches)63%very high
October Weather9°C (49°F)36 mm (1.4 inches)72%high
November Weather4°C (40°F)21 mm (0.8 inches)79%moderate
December Weather1°C (33°F)16 mm (0.6 inches)85%moderate

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