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December Weather in Ferndale, United States

Last updated: June 24, 2025

In December, the average temperature in Ferndale, United States is a cool 9°C (48°F), with temperatures ranging from a minimum of 3°C (38°F) to a pleasant maximum of 18°C (64°F). Expect some rain, with an average precipitation amount of 150 mm (5.9 in) spread over 12 days. Be prepared for the high humidity level of 86%, which can make the air feel a bit more brisk.

December Temperature in Ferndale

In December in Ferndale, the average temperature is 9°C (48°F). The maximum can reach 18°C (64°F), while the minimum can drop as low as 3°C (38°F). It's advisable to pack layers to stay comfortable while exploring the area.

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

The chart illustrates December temperature patterns in Ferndale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ferndale, December typically has an average temperature of 9°C (48°F), with highs reaching up to 18°C (64°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec484748515357596160565148
Data source: Temperature data for Ferndale 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 Ferndale

In Ferndale in December, the total precipitation amount is 150 mm (5.9 in) over the course of 12 days.

December Precipitation Trends in Ferndale

The chart displays monthly precipitation patterns in Ferndale, 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 Ferndale, December typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec205188165936117222049112150
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ferndale

In Ferndale in December, humidity is 86%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that wraps around you, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in Ferndale

This chart illustrates the average monthly humidity levels in Ferndale, 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 Ferndale is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%82%81%79%70%60%62%72%87%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ferndale

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

Maximum UV Index Levels in Ferndale for December

The chart shows the monthly maximum UV Index (UVI) for Ferndale 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 Ferndale typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478101110108642
Data source: Ferndale 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 Ferndale Compares to Other Months

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

This table compares monthly weather conditions in Ferndale, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)205 mm (8.1 inches)86%moderate
February Weather8°C (47°F)188 mm (7.4 inches)85%moderate
March Weather9°C (48°F)164 mm (6.5 inches)85%high
April Weather10°C (51°F)93 mm (3.7 inches)82%very high
May Weather12°C (53°F)61 mm (2.4 inches)81%very high
June Weather14°C (57°F)17 mm (0.7 inches)79%extreme
July Weather15°C (59°F)2 mm (0.1 inches)70%very high
August Weather16°C (61°F)2 mm (0.1 inches)60%very high
September Weather16°C (61°F)20 mm (0.8 inches)62%very high
October Weather13°C (56°F)49 mm (1.9 inches)72%high
November Weather11°C (51°F)112 mm (4.4 inches)87%moderate
December Weather9°C (48°F)150 mm (5.9 inches)86%low

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