May Weather in Windsor, United States

Last updated: June 24, 2025

In May, the average temperature in Windsor, United States is a pleasant 20°C (69°F). While you might experience a refreshing minimum of 3°C (38°F), temperatures can soar to a sizzling 36°C (97°F). Expect around 118 mm (4.7 in) of precipitation over 10 days, contributing to an average humidity level of 80% that adds to the area's vibrant atmosphere.

May Temperature in Windsor

In May in Windsor, the average temperature is 20°C (69°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 3°C (38°F). This makes it an ideal time for travelers seeking mild weather and the chance to experience a diverse range of outdoor activities.

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

The chart illustrates May 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, May typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (97°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Windsor generated using information from the Copernicus Climate Change Service.

May Precipitation in Windsor

In Windsor in May, the precipitation amount is 118 mm (4.7 in) over a span of 10 days.

May Precipitation Trends in Windsor

The chart displays monthly precipitation patterns in Windsor, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Windsor, May typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Windsor

In Windsor in May, humidity is 80%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket enveloping you, making every step slightly more challenging as you navigate the air that clings to your skin, often leaving you longing for a cool breeze while exploring the sights.

May Average Humidity in Windsor

This chart illustrates the average monthly humidity levels in Windsor, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Windsor is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Windsor

In Windsor in May, 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 May

The chart shows the monthly maximum UV Index (UVI) for Windsor in May, 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 May, the maximum UV index in Windsor typically reaches 11, which falls under the extreme exposure category.

Data source: Windsor May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	92 mm (3.6 inches)	84%	moderate
February Weather	8°C (47°F)	105 mm (4.1 inches)	83%	high
March Weather	11°C (51°F)	87 mm (3.4 inches)	82%	very high
April Weather	16°C (61°F)	102 mm (4.0 inches)	81%	very high
May Weather	20°C (69°F)	118 mm (4.7 inches)	80%	extreme
June Weather	24°C (76°F)	114 mm (4.5 inches)	82%	very high
July Weather	27°C (80°F)	136 mm (5.4 inches)	81%	extreme
August Weather	26°C (79°F)	169 mm (6.7 inches)	81%	very high
September Weather	23°C (74°F)	130 mm (5.1 inches)	78%	very high
October Weather	18°C (65°F)	82 mm (3.2 inches)	80%	very high
November Weather	11°C (52°F)	76 mm (3.0 inches)	84%	moderate
December Weather	8°C (47°F)	88 mm (3.5 inches)	84%	moderate