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December Weather in Cache Bay, Canada

Last updated: June 18, 2025

In December, the average temperature in Cache Bay, Canada hovers around -5°C (23°F). It can dip to a chilling -26°C (-15°F) at times, while the warmer days might reach up to 11°C (53°F). Expect 87 mm (3.4 in) of precipitation over 15 days, contributing to the high average humidity of 93%.

December Temperature in Cache Bay

In December in Cache Bay, the average temperature is -5°C (23°F), with maximums reaching up to 11°C (53°F) and minimums plummeting as low as -26°C (-15°F). Be prepared for chilly conditions and pack accordingly if you plan to travel during this time.

December Weather in Cache Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cache Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cache Bay, December typically has an average temperature of -5°C (23°F), with highs reaching up to 11°C (53°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec161725385263706760483323
Data source: Temperature data for Cache Bay 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 Cache Bay

In Cache Bay in December, the precipitation amount is 87 mm (3.4 in) over the course of 15 days.

December Precipitation Trends in Cache Bay

The chart displays monthly precipitation patterns in Cache Bay, 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 Cache Bay, December typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6177631061131331021161301509987
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cache Bay

In Cache Bay in December humidity is 93%. With an average temperature of -5°C (23°F), this humidity feels like a biting, frosty chill that permeates through layers of clothing, making outdoor adventures uncomfortable and travel challenging.

December Average Humidity in Cache Bay

This chart illustrates the average monthly humidity levels in Cache Bay, 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 Cache Bay is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%89%87%74%70%66%71%76%85%89%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cache Bay

In Cache Bay 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 Cache Bay, you can visit Hourly UV Index in Cache Bay.

Maximum UV Index Levels in Cache Bay for December

The chart shows the monthly maximum UV Index (UVI) for Cache Bay 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 Cache Bay typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799987532
Data source: Cache Bay 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 Cache Bay Compares to Other Months

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

This table compares monthly weather conditions in Cache Bay, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)61 mm (2.4 inches)96%low
February Weather-8°C (17°F)77 mm (3.0 inches)95%moderate
March Weather-4°C (26°F)63 mm (2.5 inches)89%moderate
April Weather3°C (38°F)106 mm (4.2 inches)87%high
May Weather11°C (52°F)113 mm (4.4 inches)73%very high
June Weather17°C (63°F)133 mm (5.3 inches)69%very high
July Weather21°C (70°F)102 mm (4.0 inches)66%very high
August Weather20°C (68°F)116 mm (4.6 inches)71%very high
September Weather15°C (60°F)130 mm (5.1 inches)76%high
October Weather9°C (48°F)150 mm (5.9 inches)85%moderate
November Weather0°C (33°F)99 mm (3.9 inches)89%moderate
December Weather-5°C (23°F)87 mm (3.4 inches)93%low

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