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December Weather in Del Rey, United States

Last updated: June 24, 2025

In December, the average temperature in Del Rey, United States hovers around 10°C (49°F), with temperatures ranging from a chilly -1°C (30°F) at night to a pleasant 24°C (76°F) during the day. Expect about 95 mm (3.7 in) of precipitation over approximately 7 days, contributing to a relatively high average humidity of 79%. Embrace the season for its dynamic weather and refreshing atmosphere!

December Temperature in Del Rey

In December in Del Rey, the average temperature is 10°C (49°F). Maximums can reach 24°C (76°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures to ensure a comfortable trip.

December Weather in Del Rey: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Del Rey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Del Rey, December typically has an average temperature of 10°C (49°F), with highs reaching up to 24°C (76°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec505255637080878678665749
Data source: Temperature data for Del Rey 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 Del Rey

In Del Rey in December, the precipitation amount is 95 mm (3.7 in) over the course of 7 days.

December Precipitation Trends in Del Rey

The chart displays monthly precipitation patterns in Del Rey, 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 Del Rey, December typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec11810713652281002195595
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Del Rey

In Del Rey in December, humidity is 79%. With an average temperature of 10°C (49°F), this humidity feels like a chilly mist wrapping around you, making outdoor activities a bit uncomfortable and requiring layers to stay warm while navigating the damp air.

December Average Humidity in Del Rey

This chart illustrates the average monthly humidity levels in Del Rey, 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 Del Rey is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%85%80%72%58%49%36%30%42%59%78%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Del Rey

In Del Rey in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Del Rey, you can check the information here.

Maximum UV Index Levels in Del Rey for December

The chart shows the monthly maximum UV Index (UVI) for Del Rey 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 Del Rey typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: Del Rey 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 Del Rey Compares to Other Months

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

This table compares monthly weather conditions in Del Rey, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)118 mm (4.7 inches)82%moderate
February Weather11°C (52°F)107 mm (4.2 inches)85%moderate
March Weather13°C (56°F)136 mm (5.3 inches)80%very high
April Weather17°C (63°F)52 mm (2.0 inches)72%very high
May Weather21°C (70°F)28 mm (1.1 inches)58%very high
June Weather27°C (80°F)1 mm (0.0 inches)49%extreme
July Weather31°C (87°F)0 mm (0.0 inches)36%extreme
August Weather30°C (86°F)0 mm (0.0 inches)30%very high
September Weather26°C (79°F)2 mm (0.1 inches)42%very high
October Weather19°C (67°F)19 mm (0.8 inches)59%high
November Weather14°C (57°F)55 mm (2.2 inches)78%moderate
December Weather10°C (49°F)95 mm (3.7 inches)79%moderate

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