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May Weather in Deer Lake, Canada

Last updated: June 18, 2025

In May, the average temperature in Deer Lake, Canada hovers around 6°C (43°F). During this time, temperatures can dip as low as -8°C (19°F) or peak at 22°C (72°F). Expect about 99 mm (3.9 in) of precipitation across 15 days, contributing to a notably high average humidity of 87%. Stay prepared for a mix of chilly and rainy days!

May Temperature in Deer Lake

In May in Deer Lake, the average temperature is 6°C (43°F). The maximum can reach 22°C (72°F), while the minimum can drop as low as -8°C (19°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

May Weather in Deer Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Deer Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deer Lake, May typically has an average temperature of 6°C (43°F), with highs reaching up to 22°C (72°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec201824344353606253443527
Data source: Temperature data for Deer Lake 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 Deer Lake

In Deer Lake in May, the total precipitation amount is 99 mm (3.9 in) over the course of 15 days.

May Precipitation Trends in Deer Lake

The chart displays monthly precipitation patterns in Deer Lake, 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 Deer Lake, May typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec961181061109910181111125130154144
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Deer Lake

In Deer Lake in May, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.

May Average Humidity in Deer Lake

This chart illustrates the average monthly humidity levels in Deer Lake, 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 Deer Lake is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%90%89%88%87%85%90%90%87%84%83%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Deer Lake

In Deer Lake in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Deer Lake.

Maximum UV Index Levels in Deer Lake for May

The chart shows the monthly maximum UV Index (UVI) for Deer Lake 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 Deer Lake typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789886421
Data source: Deer Lake 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 Deer Lake Compares to Other Months

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

This table compares monthly weather conditions in Deer Lake, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)96 mm (3.8 inches)88%low
February Weather-8°C (18°F)118 mm (4.6 inches)90%moderate
March Weather-4°C (24°F)106 mm (4.2 inches)89%moderate
April Weather1°C (34°F)109 mm (4.3 inches)88%high
May Weather6°C (43°F)99 mm (3.9 inches)87%very high
June Weather12°C (53°F)101 mm (4.0 inches)85%very high
July Weather16°C (61°F)81 mm (3.2 inches)90%very high
August Weather17°C (62°F)111 mm (4.4 inches)90%very high
September Weather12°C (54°F)125 mm (4.9 inches)87%high
October Weather6°C (44°F)130 mm (5.1 inches)84%moderate
November Weather2°C (35°F)154 mm (6.1 inches)83%low
December Weather-3°C (27°F)144 mm (5.7 inches)85%low

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