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December Weather in Rancho Cordova, United States

Last updated: June 24, 2025

In December, the average temperature in Rancho Cordova, 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 Rancho Cordova

In December in Rancho Cordova, 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 Rancho Cordova: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rancho Cordova, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rancho Cordova, 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 Rancho Cordova 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 Rancho Cordova

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

December Precipitation Trends in Rancho Cordova

The chart displays monthly precipitation patterns in Rancho Cordova, 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 Rancho Cordova, 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 Rancho Cordova

In Rancho Cordova 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 Rancho Cordova

This chart illustrates the average monthly humidity levels in Rancho Cordova, 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 Rancho Cordova 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 Rancho Cordova

In Rancho Cordova 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 Rancho Cordova, you can check the information here.

Maximum UV Index Levels in Rancho Cordova for December

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

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

This table compares monthly weather conditions in Rancho Cordova, 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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