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May Weather in Rosemere, Canada

Last updated: June 18, 2025

In Rosemere, Canada, the average temperature in May hovers around 13°C (56°F). Expect a range of conditions, with minima plunging to -2°C (29°F) and maxima soaring to 35°C (95°F). This month typically sees about 100 mm (3.9 in) of precipitation over 10 days, all while maintaining a high average humidity of around 80%. Prepare accordingly for a variety of weather!

May Temperature in Rosemere

In May in Rosemere, the average temperature is 13°C (56°F), with maximums reaching as high as 35°C (95°F) and minimums dropping to as low as -2°C (29°F). This range makes it essential for travelers to pack layers and be prepared for varying weather conditions.

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

The chart illustrates May temperature patterns in Rosemere, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosemere, May typically has an average temperature of 13°C (56°F), with highs reaching up to 35°C (95°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec161828425665716960483321
Data source: Temperature data for Rosemere 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 Rosemere

In Rosemere in May, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.

May Precipitation Trends in Rosemere

The chart displays monthly precipitation patterns in Rosemere, 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 Rosemere, May typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8486871221001011011027512911392
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rosemere

In Rosemere in May humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.

May Average Humidity in Rosemere

This chart illustrates the average monthly humidity levels in Rosemere, 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 Rosemere is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rosemere

In Rosemere 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 Rosemere.

Maximum UV Index Levels in Rosemere for May

The chart shows the monthly maximum UV Index (UVI) for Rosemere 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 Rosemere typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Rosemere 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 Rosemere Compares to Other Months

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

This table compares monthly weather conditions in Rosemere, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)84 mm (3.3 inches)93%low
February Weather-8°C (19°F)86 mm (3.4 inches)92%moderate
March Weather-2°C (28°F)87 mm (3.4 inches)86%moderate
April Weather5°C (42°F)122 mm (4.8 inches)85%high
May Weather13°C (56°F)100 mm (3.9 inches)80%very high
June Weather18°C (65°F)101 mm (4.0 inches)74%very high
July Weather22°C (71°F)101 mm (4.0 inches)76%very high
August Weather20°C (69°F)102 mm (4.0 inches)75%very high
September Weather16°C (61°F)75 mm (3.0 inches)78%high
October Weather9°C (49°F)129 mm (5.1 inches)86%moderate
November Weather1°C (33°F)113 mm (4.5 inches)88%moderate
December Weather-6°C (22°F)92 mm (3.6 inches)89%low

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