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December Weather in Berwick, Canada

Last updated: June 18, 2025

In December, the average temperature in Berwick, Canada hovers around -1°C (30°F). While temperatures can plummet to a chilling -17°C (2°F), they may also rise to a pleasant 16°C (61°F). Expect around 115 mm (4.5 in) of precipitation spread across 12 days, with an average humidity of 83% adding to the atmosphere.

December Temperature in Berwick

In December in Berwick, the average temperature is -1°C (30°F). The maximum can reach 16°C (61°F), while the minimum can drop as low as -17°C (2°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates December temperature patterns in Berwick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Berwick, December typically has an average temperature of -1°C (30°F), with highs reaching up to 16°C (61°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec252530414960666760503930
Data source: Temperature data for Berwick 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 Berwick

In Berwick in December, the total precipitation amount is 115 mm (4.5 in) over a span of 12 days.

December Precipitation Trends in Berwick

The chart displays monthly precipitation patterns in Berwick, 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 Berwick, December typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec83104881021009887909178144115
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Berwick

In Berwick in December humidity is 83%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that seeps through your layers, making outdoor activities uncomfortable and encouraging travelers to seek shelter indoors.

December Average Humidity in Berwick

This chart illustrates the average monthly humidity levels in Berwick, 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 Berwick is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%82%82%82%84%86%85%83%83%85%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Berwick

In Berwick 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 Berwick, you can visit Hourly UV Index in Berwick.

Maximum UV Index Levels in Berwick for December

The chart shows the monthly maximum UV Index (UVI) for Berwick 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 Berwick typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
Data source: Berwick 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 Berwick Compares to Other Months

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

This table compares monthly weather conditions in Berwick, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)83 mm (3.3 inches)82%low
February Weather-4°C (25°F)104 mm (4.1 inches)83%moderate
March Weather-1°C (30°F)88 mm (3.5 inches)82%moderate
April Weather5°C (41°F)102 mm (4.0 inches)82%very high
May Weather10°C (50°F)100 mm (3.9 inches)82%very high
June Weather15°C (60°F)97 mm (3.8 inches)84%very high
July Weather19°C (67°F)86 mm (3.4 inches)86%very high
August Weather19°C (67°F)90 mm (3.5 inches)85%very high
September Weather16°C (60°F)91 mm (3.6 inches)83%high
October Weather10°C (50°F)78 mm (3.1 inches)83%moderate
November Weather4°C (39°F)144 mm (5.7 inches)85%moderate
December Weather-1°C (30°F)115 mm (4.5 inches)83%low

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