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December Weather in Port Coquitlam, Canada

Last updated: June 18, 2025

In December, the average temperature in Port Coquitlam, Canada hovers around 3°C (37°F), with a chilling minimum of -17°C (2°F) and a mild maximum of 12°C (53°F). Expect some rainfall, with an average precipitation of 347 mm (13.7 in) spread over 19 days. The air is quite damp, boasting an average humidity of 87%, making it a cool yet wet month.

December Temperature in Port Coquitlam

In December in Port Coquitlam, the average temperature is 3°C (37°F), with maximums reaching 12°C (53°F) and minimums dipping as low as -17°C (2°F). Be sure to pack warm clothing and prepare for chilly conditions when traveling during this time.

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

The chart illustrates December temperature patterns in Port Coquitlam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Coquitlam, December typically has an average temperature of 3°C (37°F), with highs reaching up to 12°C (53°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec373541475459646459484337
Data source: Temperature data for Port Coquitlam 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 Coquitlam

In Port Coquitlam in December, the total precipitation amount is 347 mm (13.7 in) spread over 19 days.

December Precipitation Trends in Port Coquitlam

The chart displays monthly precipitation patterns in Port Coquitlam, 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 Coquitlam, December typically receives around 347 mm (13.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec3382262421961101085249231308440348
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Port Coquitlam

In Port Coquitlam in December, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.

December Average Humidity in Port Coquitlam

This chart illustrates the average monthly humidity levels in Port Coquitlam, 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 Coquitlam is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%86%86%81%83%84%77%76%88%87%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Port Coquitlam

In Port Coquitlam 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 Port Coquitlam.

Maximum UV Index Levels in Port Coquitlam for December

The chart shows the monthly maximum UV Index (UVI) for Port Coquitlam 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 Coquitlam typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678986421
Data source: Port Coquitlam 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 Coquitlam Compares to Other Months

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

This table compares monthly weather conditions in Port Coquitlam, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)338 mm (13.3 inches)86%low
February Weather2°C (36°F)226 mm (8.9 inches)85%moderate
March Weather5°C (42°F)242 mm (9.5 inches)86%moderate
April Weather8°C (47°F)196 mm (7.7 inches)86%high
May Weather12°C (55°F)110 mm (4.3 inches)81%high
June Weather15°C (59°F)108 mm (4.3 inches)83%very high
July Weather18°C (64°F)52 mm (2.1 inches)84%very high
August Weather18°C (65°F)49 mm (1.9 inches)77%very high
September Weather15°C (59°F)231 mm (9.1 inches)76%high
October Weather9°C (49°F)308 mm (12.1 inches)88%moderate
November Weather6°C (43°F)440 mm (17.3 inches)87%low
December Weather3°C (37°F)347 mm (13.7 inches)87%low

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