May Weather in McGill, United States

Last updated: June 24, 2025

In May, the average temperature in McGill, United States is a mild 12°C (54°F). However, temperatures can vary significantly, with a minimum of -5°C (24°F) and a maximum reaching 30°C (87°F). The region experiences approximately 45 mm (1.8 in) of precipitation over 9 days, accompanied by an average humidity level of 51%.

May Temperature in McGill

In May in McGill, the average temperature is 12°C (54°F), with maximums reaching 30°C (87°F) and minimums dropping as low as -5°C (24°F). This variation in temperature makes McGill an ideal destination for travelers seeking a diverse climate experience.

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

The chart illustrates May temperature patterns in McGill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McGill, May typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (87°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec232533435367757464463826
Data source: Temperature data for McGill 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 McGill

In McGill in May, the precipitation amount is 45 mm (1.8 in) spread over 9 days.

May Precipitation Trends in McGill

The chart displays monthly precipitation patterns in McGill, 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 McGill, May typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec29345941458141015252130
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in McGill

In McGill in May, humidity is 51%. With an average temperature of 12°C (54°F), this humidity feels like a refreshing coolness that invigorates your senses, making it ideal for exploring the local sights without feeling overheated.

May Average Humidity in McGill

This chart illustrates the average monthly humidity levels in McGill, 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 McGill is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%76%67%51%44%37%32%43%63%80%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in McGill

In McGill 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 McGill.

Maximum UV Index Levels in McGill for May

The chart shows the monthly maximum UV Index (UVI) for McGill 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 McGill typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
Data source: McGill 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 McGill Compares to Other Months

Weather in McGill varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in McGill, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in McGill, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)29 mm (1.2 inches)82%moderate
February Weather-4°C (26°F)34 mm (1.3 inches)84%high
March Weather1°C (33°F)59 mm (2.3 inches)76%very high
April Weather6°C (44°F)41 mm (1.6 inches)67%very high
May Weather12°C (54°F)45 mm (1.8 inches)51%extreme
June Weather20°C (68°F)8 mm (0.3 inches)44%extreme
July Weather24°C (76°F)14 mm (0.6 inches)36%extreme
August Weather23°C (74°F)10 mm (0.4 inches)32%extreme
September Weather18°C (64°F)15 mm (0.6 inches)43%very high
October Weather8°C (47°F)25 mm (1.0 inches)63%high
November Weather3°C (38°F)21 mm (0.8 inches)80%moderate
December Weather-4°C (26°F)30 mm (1.2 inches)83%moderate

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