May Weather in Simcoe, Canada

Last updated: June 18, 2025

In Simcoe, Canada, the average temperature in May hovers around 13°C (55°F), offering a delightful seasonal experience. Expect temperatures to dip as low as -1°C (31°F) and rise to a pleasant 26°C (79°F). During this month, precipitation averages 106 mm (4.2 in) over approximately 14 days, contributing to an average humidity of 82%. Embrace the unique climate as you explore the beauty of Simcoe!

May Temperature in Simcoe

In May in Simcoe, the average temperature is 13°C (55°F). The maximum can reach 26°C (79°F), while the minimum can drop to as low as -1°C (31°F). Be prepared for a range of temperatures during your travels, making it essential to pack accordingly.

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

The chart illustrates May temperature patterns in Simcoe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simcoe, May typically has an average temperature of 13°C (55°F), with highs reaching up to 26°C (79°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec282834435566737266554134
Data source: Temperature data for Simcoe 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 Simcoe

In Simcoe in May, the precipitation amount is 106 mm (4.2 in) over a period of 14 days.

May Precipitation Trends in Simcoe

The chart displays monthly precipitation patterns in Simcoe, 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 Simcoe, May typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7881801041068510191801189289
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Simcoe

In Simcoe in May, humidity is 82%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

May Average Humidity in Simcoe

This chart illustrates the average monthly humidity levels in Simcoe, 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 Simcoe is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%88%87%83%81%79%80%81%84%88%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Simcoe

In Simcoe in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Simcoe.

Maximum UV Index Levels in Simcoe for May

The chart shows the monthly maximum UV Index (UVI) for Simcoe 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 Simcoe typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3458910998642
Data source: Simcoe 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 Simcoe Compares to Other Months

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

This table compares monthly weather conditions in Simcoe, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)78 mm (3.1 inches)90%moderate
February Weather-2°C (28°F)81 mm (3.2 inches)90%moderate
March Weather1°C (34°F)80 mm (3.2 inches)87%moderate
April Weather6°C (43°F)104 mm (4.1 inches)87%very high
May Weather13°C (55°F)106 mm (4.2 inches)82%very high
June Weather19°C (66°F)85 mm (3.3 inches)81%very high
July Weather23°C (73°F)101 mm (4.0 inches)79%very high
August Weather22°C (72°F)91 mm (3.6 inches)80%very high
September Weather19°C (66°F)80 mm (3.2 inches)81%very high
October Weather13°C (55°F)118 mm (4.6 inches)84%high
November Weather5°C (41°F)92 mm (3.6 inches)88%moderate
December Weather1°C (34°F)89 mm (3.5 inches)87%low

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