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December Weather in Devon, Canada

Last updated: June 18, 2025

In December, the average temperature in Devon, Canada sits at a brisk -8°C (17°F). Be prepared for extreme conditions, as temperatures can plummet to a chilling -37°C (-35°F), while the warmest days may reach up to 8°C (47°F). During this month, expect about 21 mm (0.8 in) of precipitation spread over 6 days, with an average humidity level of a high 91%.

December Temperature in Devon

In December in Devon, the average temperature is -8°C (17°F). Maximums can reach 8°C (47°F), while minimums can drop as low as -37°C (-35°F). Travelers should be prepared for extremely cold conditions and dress appropriately to enjoy the winter activities in this location.

December Weather in Devon: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Devon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Devon, December typically has an average temperature of -8°C (17°F), with highs reaching up to 8°C (47°F) and lows dropping to around -37°C (-35°F).
JanFebMarAprMayJunJulAugSepOctNovDec151124365259626050382417
Data source: Temperature data for Devon 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.

December Precipitation in Devon

In Devon in December, the total precipitation amount is 21 mm (0.8 in), occurring over a span of 6 days.

December Precipitation Trends in Devon

The chart displays monthly precipitation patterns in Devon, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Devon, December typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec1721283163961067156263821
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Devon

In Devon in December, humidity is 91%. With an average temperature of -8°C (17°F), this humidity feels like a chilly dampness that clings to your skin, making it uncomfortable for traveling as every step feels heavier and the cold seems to seep into your bones.

December Average Humidity in Devon

This chart illustrates the average monthly humidity levels in Devon, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Devon is approximately 91%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Devon

In Devon in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Devon.

Maximum UV Index Levels in Devon for December

The chart shows the monthly maximum UV Index (UVI) for Devon in December, 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 December, the maximum UV index in Devon typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec134577876421
Data source: Devon December 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 December Weather in Devon Compares to Other Months

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

This table compares monthly weather conditions in Devon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)17 mm (0.7 inches)90%low
February Weather-12°C (11°F)21 mm (0.8 inches)92%moderate
March Weather-4°C (25°F)28 mm (1.1 inches)87%moderate
April Weather2°C (36°F)31 mm (1.2 inches)81%moderate
May Weather11°C (52°F)63 mm (2.5 inches)77%high
June Weather15°C (59°F)96 mm (3.8 inches)77%high
July Weather17°C (63°F)106 mm (4.2 inches)81%very high
August Weather16°C (60°F)71 mm (2.8 inches)78%high
September Weather10°C (51°F)56 mm (2.2 inches)73%high
October Weather3°C (38°F)26 mm (1.0 inches)78%moderate
November Weather-4°C (24°F)38 mm (1.5 inches)82%low
December Weather-8°C (17°F)21 mm (0.8 inches)91%low

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