December Weather in Port Hope, Canada

Last updated: June 18, 2025

In Port Hope, Canada, the average temperature in December hovers around -1°C (30°F), creating a chilly atmosphere. Expect minimum temperatures to plummet to -24°C (-11°F), while a rare maximum of 14°C (58°F) offers brief relief. With 77 mm (3.0 in) of precipitation spread over 13 days, you might want to keep an umbrella handy. Additionally, the average humidity is a high 87%, adding to the crisp, cold sensation of the season.

December Temperature in Port Hope

In December in Port Hope, the average temperature is -1°C (30°F), with maximums reaching 14°C (58°F) and minimums dropping as low as -24°C (-11°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable during this chilly season.

December Weather in Port Hope: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Port Hope, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Hope, December typically has an average temperature of -1°C (30°F), with highs reaching up to 14°C (58°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec232431425465727063523830
Data source: Temperature data for Port Hope 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 Port Hope

In Port Hope in December, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 days.

December Precipitation Trends in Port Hope

The chart displays monthly precipitation patterns in Port Hope, 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 Port Hope, December typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec667161110938489102741018577
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Port Hope

In Port Hope in December, humidity is 87%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel uncomfortable as the dampness clings to your skin, intensifying the cold and causing every gust of wind to feel even more frigid.

December Average Humidity in Port Hope

This chart illustrates the average monthly humidity levels in Port Hope, 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 Port Hope is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Port Hope

In Port Hope 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 Port Hope, you can visit Hourly UV Index in Port Hope.

Maximum UV Index Levels in Port Hope for December

The chart shows the monthly maximum UV Index (UVI) for Port Hope 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 Port Hope typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Port Hope 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 Port Hope Compares to Other Months

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

This table compares monthly weather conditions in Port Hope, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)66 mm (2.6 inches)91%low
February Weather-4°C (25°F)70 mm (2.8 inches)91%moderate
March Weather0°C (32°F)61 mm (2.4 inches)88%moderate
April Weather6°C (42°F)110 mm (4.3 inches)88%very high
May Weather12°C (54°F)93 mm (3.7 inches)82%very high
June Weather18°C (65°F)84 mm (3.3 inches)79%very high
July Weather22°C (72°F)89 mm (3.5 inches)77%very high
August Weather21°C (71°F)102 mm (4.0 inches)72%very high
September Weather17°C (64°F)74 mm (2.9 inches)76%high
October Weather11°C (52°F)101 mm (4.0 inches)83%moderate
November Weather4°C (39°F)85 mm (3.3 inches)88%moderate
December Weather-1°C (30°F)77 mm (3.0 inches)87%low

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