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May Weather in Deline, Canada

Last updated: June 18, 2025

In May, the average temperature in Deline, Canada hovers around 4°C (40°F), with extremes ranging from a chilly -12°C (12°F) to a balmy 23°C (74°F). Expect some rain, as 23 mm (0.9 in) of precipitation typically falls over the course of 6 days. The air remains quite humid, with an average humidity level of 78%. Enjoy this varied climate!

May Temperature in Deline

In May in Deline, the average temperature is 4°C (40°F), with maximums reaching 23°C (74°F) and minimums dipping as low as -12°C (12°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack layers for comfort.

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

The chart illustrates May temperature patterns in Deline, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deline, May typically has an average temperature of 4°C (40°F), with highs reaching up to 23°C (74°F) and lows dropping to around -12°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec-10-101174052595544305-7
Data source: Temperature data for Deline 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 Deline

In Deline in May, the precipitation amount is 23 mm (0.9 in) spread over 6 days.

May Precipitation Trends in Deline

The chart displays monthly precipitation patterns in Deline, 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 Deline, May typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec161715152340365827262220
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Deline

In Deline in May, humidity is 78%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities quite uncomfortable and travel less enjoyable as you navigate through the cold, damp air.

May Average Humidity in Deline

This chart illustrates the average monthly humidity levels in Deline, 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 Deline is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%90%85%78%77%82%82%84%95%98%97%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Deline

In Deline in May, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Deline for better planning.

Maximum UV Index Levels in Deline for May

The chart shows the monthly maximum UV Index (UVI) for Deline 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 Deline typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112445553211
Data source: Deline 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 Deline Compares to Other Months

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

This table compares monthly weather conditions in Deline, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-24°C (-10°F)16 mm (0.6 inches)94%low
February Weather-23°C (-10°F)17 mm (0.7 inches)92%low
March Weather-17°C (1°F)15 mm (0.6 inches)90%low
April Weather-9°C (17°F)15 mm (0.6 inches)85%moderate
May Weather4°C (40°F)23 mm (0.9 inches)78%moderate
June Weather11°C (52°F)40 mm (1.6 inches)77%moderate
July Weather15°C (59°F)36 mm (1.4 inches)82%moderate
August Weather13°C (56°F)58 mm (2.3 inches)82%moderate
September Weather7°C (44°F)27 mm (1.1 inches)84%moderate
October Weather-1°C (30°F)26 mm (1.0 inches)95%low
November Weather-15°C (5°F)22 mm (0.9 inches)98%low
December Weather-22°C (-7°F)20 mm (0.8 inches)97%low

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