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December Weather in Bremerton, United States

Last updated: June 24, 2025

In December, the average temperature in Bremerton, United States hovers around 6°C (43°F). Expect chilly nights with minimum temperatures dipping to -4°C (24°F), while daytime can reach up to a comfortable 13°C (56°F). Be prepared for rainy days, as precipitation averages 194 mm (7.6 in) over 20 days, accompanied by a high average humidity of 87%.

December Temperature in Bremerton

In December in Bremerton, the average temperature is 6°C (43°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -4°C (24°F). Be prepared for chilly weather and pack accordingly for your trip!

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

The chart illustrates December temperature patterns in Bremerton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bremerton, December typically has an average temperature of 6°C (43°F), with highs reaching up to 13°C (56°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec434145505662676862534843
Data source: Temperature data for Bremerton 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 Bremerton

In Bremerton in December, the precipitation amount is 194 mm (7.6 in) over the course of 20 days.

December Precipitation Trends in Bremerton

The chart displays monthly precipitation patterns in Bremerton, 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 Bremerton, December typically receives around 194 mm (7.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec1791461191026764262490145181194
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bremerton

In Bremerton in December, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.

December Average Humidity in Bremerton

This chart illustrates the average monthly humidity levels in Bremerton, 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 Bremerton is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bremerton

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

Maximum UV Index Levels in Bremerton for December

The chart shows the monthly maximum UV Index (UVI) for Bremerton 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 Bremerton typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Bremerton 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 Bremerton Compares to Other Months

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

This table compares monthly weather conditions in Bremerton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)179 mm (7.0 inches)86%low
February Weather5°C (42°F)146 mm (5.7 inches)84%moderate
March Weather7°C (45°F)119 mm (4.7 inches)85%moderate
April Weather10°C (50°F)102 mm (4.0 inches)83%high
May Weather13°C (56°F)67 mm (2.6 inches)84%very high
June Weather16°C (62°F)64 mm (2.5 inches)84%very high
July Weather19°C (67°F)26 mm (1.0 inches)82%very high
August Weather20°C (68°F)24 mm (0.9 inches)73%very high
September Weather17°C (63°F)90 mm (3.6 inches)74%high
October Weather12°C (54°F)145 mm (5.7 inches)83%moderate
November Weather9°C (48°F)181 mm (7.1 inches)86%moderate
December Weather6°C (43°F)194 mm (7.6 inches)87%low

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