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December Weather in Edmonds, United States

Last updated: June 24, 2025

In December, the average temperature in Edmonds, United States hovers around 6°C (43°F), with a minimum of -5°C (24°F) and a maximum reaching 13°C (56°F). Expect 179 mm (7.1 in) of precipitation over approximately 18 days, contributing to an average humidity level of 87%. Prepare for a damp, cool month!

December Temperature in Edmonds

In December in Edmonds, the average temperature is 6°C (43°F), with maximums reaching 13°C (56°F) and minimums dropping as low as -5°C (24°F). Be prepared for cool weather and pack accordingly to ensure a comfortable trip.

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

The chart illustrates December temperature patterns in Edmonds, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Edmonds, 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 -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec434146505661666661534843
Data source: Temperature data for Edmonds 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 Edmonds

In Edmonds in December, the precipitation amount is 179 mm (7.1 in) spread over 18 days, indicating a significant amount of rainfall for that period.

December Precipitation Trends in Edmonds

The chart displays monthly precipitation patterns in Edmonds, 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 Edmonds, December typically receives around 179 mm (7.1 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec163142111966965262584136168179
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Edmonds

In Edmonds 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 Edmonds

This chart illustrates the average monthly humidity levels in Edmonds, 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 Edmonds 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 Edmonds

In Edmonds 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 Edmonds.

Maximum UV Index Levels in Edmonds for December

The chart shows the monthly maximum UV Index (UVI) for Edmonds 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 Edmonds typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987521
Data source: Edmonds 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 Edmonds Compares to Other Months

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

This table compares monthly weather conditions in Edmonds, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)163 mm (6.4 inches)86%low
February Weather5°C (42°F)142 mm (5.6 inches)84%moderate
March Weather8°C (46°F)111 mm (4.4 inches)85%moderate
April Weather10°C (50°F)96 mm (3.8 inches)83%high
May Weather13°C (56°F)69 mm (2.7 inches)84%very high
June Weather16°C (61°F)65 mm (2.6 inches)84%very high
July Weather19°C (66°F)26 mm (1.0 inches)82%very high
August Weather19°C (67°F)25 mm (1.0 inches)73%very high
September Weather16°C (62°F)84 mm (3.3 inches)74%high
October Weather12°C (53°F)136 mm (5.4 inches)83%moderate
November Weather9°C (48°F)168 mm (6.6 inches)86%low
December Weather6°C (43°F)179 mm (7.1 inches)87%low

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