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May Weather in Hay River, Canada

Last updated: June 18, 2025

In May, the average temperature in Hay River, Canada hovers around 6°C (43°F), with a wide range between a chilly -15°C (5°F) and a warm 27°C (80°F). Expect 22 mm (0.8 in) of precipitation over approximately 4 days, contributing to an average humidity of 64%. Be prepared for a mix of weather as you explore this captivating destination!

May Temperature in Hay River

In May in Hay River, the average temperature is 6°C (43°F). The maximum can reach 27°C (80°F), while the minimum can dip as low as -15°C (5°F). Pack layers for your trip to Hay River this May, as you'll experience a wide range of temperatures!

May Weather in Hay River: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Hay River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hay River, May typically has an average temperature of 6°C (43°F), with highs reaching up to 27°C (80°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec-4-592643576360493513-1
Data source: Temperature data for Hay River 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 Hay River

In Hay River in May, the total precipitation amount is 22 mm (0.8 in) spread over a duration of 4 days.

May Precipitation Trends in Hay River

The chart displays monthly precipitation patterns in Hay River, 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 Hay River, May typically receives around 22 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec231519182259916844292920
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hay River

In Hay River in May humidity is 64%. With an average temperature of 6°C (43°F), this humidity feels like a chilly dampness that can make outdoor activities uncomfortable, requiring travelers to bundle up and seek indoor experiences to stay warm and dry.

May Average Humidity in Hay River

This chart illustrates the average monthly humidity levels in Hay River, 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 Hay River is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%96%93%82%64%59%66%74%80%91%97%98%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hay River

In Hay River in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Hay River, you can refer to this Hourly UV Index in Hay River.

Maximum UV Index Levels in Hay River for May

The chart shows the monthly maximum UV Index (UVI) for Hay River 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 Hay River typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123466664211
Data source: Hay River 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 Hay River Compares to Other Months

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

This table compares monthly weather conditions in Hay River, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-3°F)22 mm (0.9 inches)96%low
February Weather-21°C (-5°F)15 mm (0.6 inches)96%low
March Weather-13°C (9°F)19 mm (0.7 inches)93%moderate
April Weather-3°C (26°F)18 mm (0.7 inches)82%moderate
May Weather6°C (43°F)22 mm (0.8 inches)64%high
June Weather14°C (57°F)59 mm (2.3 inches)59%high
July Weather17°C (63°F)91 mm (3.6 inches)66%high
August Weather16°C (61°F)68 mm (2.7 inches)74%high
September Weather9°C (49°F)44 mm (1.7 inches)80%moderate
October Weather1°C (35°F)29 mm (1.1 inches)91%low
November Weather-11°C (13°F)29 mm (1.1 inches)97%low
December Weather-18°C (-1°F)20 mm (0.8 inches)98%low

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