December Weather in Aylmer, Canada

Last updated: June 18, 2025

In December, the average temperature in Aylmer, Canada hovers around 1°C (33°F), with a minimum dipping to a brisk -16°C (3°F) and a maximum reaching a mild 13°C (56°F). Expect precipitation of about 82 mm (3.2 in) over 13 days, contributing to an average humidity level of a notable 87%. Stay prepared for a chilly yet intriguing climate!

December Temperature in Aylmer

In December in Aylmer, the average temperature is 1°C (33°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -16°C (3°F). Be prepared for chilly weather and pack accordingly to enjoy your travels to Aylmer.

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

The chart illustrates December temperature patterns in Aylmer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aylmer, December typically has an average temperature of 1°C (33°F), with highs reaching up to 13°C (56°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec272734435566727165544033
Data source: Temperature data for Aylmer 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 Aylmer

In Aylmer in December, the total precipitation amount is 82 mm (3.2 in), occurring over the course of 13 days.

December Precipitation Trends in Aylmer

The chart displays monthly precipitation patterns in Aylmer, 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 Aylmer, December typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec778183109101919190791219482
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Aylmer

In Aylmer in December, humidity is 87%. With an average temperature of 1°C (33°F), this humidity feels like a chilling blanket, making traveling uncomfortable as the cold air clings to your skin, amplifying the frosty bite and dampness that can quickly lead to a sense of unease.

December Average Humidity in Aylmer

This chart illustrates the average monthly humidity levels in Aylmer, 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 Aylmer is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%88%87%83%81%79%80%81%84%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Aylmer

In Aylmer in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Aylmer, you can visit Hourly UV Index in Aylmer.

Maximum UV Index Levels in Aylmer for December

The chart shows the monthly maximum UV Index (UVI) for Aylmer 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 Aylmer typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101098642
Data source: Aylmer 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 Aylmer Compares to Other Months

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

This table compares monthly weather conditions in Aylmer, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)77 mm (3.0 inches)90%moderate
February Weather-3°C (27°F)81 mm (3.2 inches)90%moderate
March Weather1°C (34°F)83 mm (3.3 inches)87%moderate
April Weather6°C (43°F)109 mm (4.3 inches)87%very high
May Weather13°C (55°F)101 mm (4.0 inches)82%very high
June Weather19°C (66°F)91 mm (3.6 inches)81%very high
July Weather22°C (72°F)91 mm (3.6 inches)79%very high
August Weather22°C (71°F)90 mm (3.6 inches)80%very high
September Weather18°C (65°F)79 mm (3.1 inches)81%very high
October Weather12°C (55°F)121 mm (4.8 inches)84%high
November Weather5°C (41°F)94 mm (3.7 inches)88%moderate
December Weather1°C (33°F)82 mm (3.2 inches)87%low

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