December Weather in Elk Grove, United States

Last updated: June 24, 2025

In December, the average temperature in Elk Grove, United States hovers around 9°C (48°F). Expect chilly nights with a minimum of -3°C (28°F), while daytime highs can reach up to 23°C (74°F). Throughout the month, anticipate a total precipitation of 116 mm (4.6 in) spread over approximately 10 days, with average humidity levels around 83%.

December Temperature in Elk Grove

In December in Elk Grove, the average temperature is 9°C (48°F). Maximums can reach 23°C (74°F), while minimums can be as low as -3°C (28°F). Be prepared for a range of temperatures to make the most of your travels in this season.

December Weather in Elk Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Elk Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Elk Grove, December typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (74°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec495155616875777673655548
Data source: Temperature data for Elk Grove 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 Elk Grove

In Elk Grove in December, the total precipitation amount is 116 mm (4.6 in) over a span of 10 days.

December Precipitation Trends in Elk Grove

The chart displays monthly precipitation patterns in Elk Grove, 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 Elk Grove, December typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec128118119542550034166116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Elk Grove

In Elk Grove in December humidity is 83%. With an average temperature of 9°C (48°F), this humidity feels like an enveloping blanket, making outdoor activities quite uncomfortable and encouraging travelers to seek shelter or shade frequently.

December Average Humidity in Elk Grove

This chart illustrates the average monthly humidity levels in Elk Grove, 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 Elk Grove is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%81%74%64%44%37%44%65%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Elk Grove

In Elk Grove 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 Elk Grove, you can check the information here.

Maximum UV Index Levels in Elk Grove for December

The chart shows the monthly maximum UV Index (UVI) for Elk Grove 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 Elk Grove typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109643
Data source: Elk Grove 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 Elk Grove Compares to Other Months

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

This table compares monthly weather conditions in Elk Grove, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)128 mm (5.0 inches)84%moderate
February Weather11°C (52°F)118 mm (4.7 inches)84%moderate
March Weather13°C (55°F)119 mm (4.7 inches)83%high
April Weather16°C (62°F)54 mm (2.1 inches)81%very high
May Weather20°C (68°F)25 mm (1.0 inches)74%very high
June Weather24°C (75°F)5 mm (0.2 inches)64%extreme
July Weather25°C (77°F)0 mm (0.0 inches)44%extreme
August Weather25°C (77°F)0 mm (0.0 inches)36%very high
September Weather23°C (73°F)3 mm (0.1 inches)44%very high
October Weather18°C (65°F)41 mm (1.6 inches)65%high
November Weather13°C (55°F)66 mm (2.6 inches)84%moderate
December Weather9°C (48°F)116 mm (4.6 inches)83%moderate

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