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May Weather in Windsor, United States

Last updated: June 24, 2025

In May, the average temperature in Windsor, United States is a pleasant 19°C (67°F). However, be prepared for a range, as temperatures can dip to a minimum of 5°C (41°F) and soar up to a maximum of 34°C (93°F). Expect around 183 mm (7.2 in) of precipitation over approximately 15 days, contributing to an average humidity level of 82%. Plan your visit accordingly!

May Temperature in Windsor

In May in Windsor, the average temperature is 19°C (67°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 5°C (41°F). This varied climate makes Windsor an ideal destination for travelers looking to experience both warm and cooler weather.

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 19°C (67°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°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.

May Precipitation in Windsor

In Windsor in May, the total precipitation amount is 183 mm (7.2 in) over the course of 15 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 183 mm (7.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec646011511118310712510365985337
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Windsor

In Windsor in May humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore 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 82%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Windsor

In Windsor in May, 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35610101111109753
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.
 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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