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May Weather in Blackfalds, Canada

Last updated: June 18, 2025

The average temperature in Blackfalds, Canada during May is a cool 10°C (51°F). Expect a wide range, with minimums dipping as low as -6°C (22°F) and maximums reaching 28°C (82°F). This month, you can anticipate 68 mm (2.7 in) of precipitation over approximately 10 days, accompanied by a hefty average humidity of 77%.

May Temperature in Blackfalds

In May in Blackfalds, the average temperature is 10°C (51°F). The maximum can reach 28°C (82°F), and the minimum can be as low as -6°C (22°F). It's a good idea to pack layers to prepare for the varying temperatures during your travels.

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

The chart illustrates May temperature patterns in Blackfalds, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blackfalds, May typically has an average temperature of 10°C (51°F), with highs reaching up to 28°C (82°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec151125365158626050372517
Data source: Temperature data for Blackfalds 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 Blackfalds

In Blackfalds in May, the precipitation amount is 68 mm (2.7 in) over a span of 10 days.

May Precipitation Trends in Blackfalds

The chart displays monthly precipitation patterns in Blackfalds, 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 Blackfalds, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec132130326897895457283323
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Blackfalds

In Blackfalds in May humidity is 77%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor activities somewhat uncomfortable, causing clothes to cling to your skin and breathing to feel heavier, which may deter longer sightseeing adventures.

May Average Humidity in Blackfalds

This chart illustrates the average monthly humidity levels in Blackfalds, 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 Blackfalds is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%87%81%77%77%81%78%73%78%82%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Blackfalds

In Blackfalds in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Blackfalds.

Maximum UV Index Levels in Blackfalds for May

The chart shows the monthly maximum UV Index (UVI) for Blackfalds 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 Blackfalds typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678876421
Data source: Blackfalds 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 Blackfalds Compares to Other Months

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

This table compares monthly weather conditions in Blackfalds, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)13 mm (0.5 inches)90%low
February Weather-12°C (11°F)21 mm (0.8 inches)92%moderate
March Weather-4°C (25°F)30 mm (1.2 inches)87%moderate
April Weather2°C (36°F)32 mm (1.3 inches)81%high
May Weather10°C (51°F)68 mm (2.7 inches)77%high
June Weather15°C (59°F)97 mm (3.8 inches)77%very high
July Weather17°C (62°F)89 mm (3.5 inches)81%very high
August Weather16°C (60°F)54 mm (2.1 inches)78%high
September Weather10°C (51°F)57 mm (2.3 inches)73%high
October Weather3°C (37°F)28 mm (1.1 inches)78%moderate
November Weather-4°C (25°F)33 mm (1.3 inches)82%low
December Weather-8°C (17°F)23 mm (0.9 inches)91%low

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