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March Weather in Windsor, United States

Last updated: June 24, 2025

In Windsor, United States, the average temperature in March hovers around 4°C (39°F). However, be prepared for a wide range of temperatures, as it can dip to a chilly -20°C (-4°F) at its lowest, while soaring to a warm 25°C (77°F) at its peak. Expect around 88 mm (3.5 in) of precipitation over 9 days, accompanied by a high average humidity of 81%.

March Temperature in Windsor

In March in Windsor, the average temperature is 4°C (39°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as -20°C (-4°F). Be sure to pack layers and prepare for variable weather conditions while exploring.

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

The chart illustrates March 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, March typically has an average temperature of 4°C (39°F), with highs reaching up to 25°C (77°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec303339496069757366564234
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.

March Precipitation in Windsor

In Windsor in March, the precipitation amount is 88 mm (3.5 in) over the course of 9 days.

March Precipitation Trends in Windsor

The chart displays monthly precipitation patterns in Windsor, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Windsor, March typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec678688126113841479010213490120
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Windsor

In Windsor in March, humidity is 81%. With an average temperature of 4°C (39°F), this humidity feels like a chilling dampness that penetrates even the warmest layers of clothing, making outdoor exploration uncomfortable and prompting travelers to seek refuge indoors.

March Average Humidity in Windsor

This chart illustrates the average monthly humidity levels in Windsor, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Windsor is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Windsor

In Windsor in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Windsor, you can refer to this Hourly UV Index in Windsor.

Maximum UV Index Levels in Windsor for March

The chart shows the monthly maximum UV Index (UVI) for Windsor in March, 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 March, the maximum UV index in Windsor typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Windsor March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)67 mm (2.6 inches)84%moderate
February Weather1°C (33°F)86 mm (3.4 inches)82%moderate
March Weather4°C (39°F)88 mm (3.5 inches)81%high
April Weather9°C (49°F)126 mm (5.0 inches)78%very high
May Weather15°C (60°F)113 mm (4.4 inches)69%very high
June Weather21°C (69°F)84 mm (3.3 inches)69%very high
July Weather24°C (75°F)147 mm (5.8 inches)62%very high
August Weather23°C (74°F)90 mm (3.5 inches)65%very high
September Weather19°C (67°F)102 mm (4.0 inches)68%very high
October Weather13°C (57°F)134 mm (5.3 inches)74%high
November Weather6°C (43°F)90 mm (3.5 inches)82%moderate
December Weather1°C (34°F)120 mm (4.7 inches)80%low

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