nomadseason

December Weather in Yucca Valley, United States

Last updated: June 24, 2025

In December, the average temperature in Yucca Valley, United States is a cool 9°C (49°F), with temperatures ranging from a brisk -3°C (28°F) to a comfortable 23°C (74°F). Visitors can expect an average of 33 mm (1.3 in) of precipitation over about 3 days, accompanied by a relatively high average humidity of 74%. Prepare accordingly for a blend of chilly and mild days!

December Temperature in Yucca Valley

In December in Yucca Valley, the average temperature is 9°C (49°F). Maximum temperatures can reach 23°C (74°F), while minimums can drop as low as -3°C (28°F). This diverse weather makes Yucca Valley an ideal destination for travelers seeking both mild days and crisp nights.

December Weather in Yucca Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Yucca Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yucca Valley, December typically has an average temperature of 9°C (49°F), with highs reaching up to 23°C (74°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec495055636979858478665749
Data source: Temperature data for Yucca Valley generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Yucca Valley

In Yucca Valley in December, the precipitation amount is 33 mm (1.3 in) over the course of 3 days.

December Precipitation Trends in Yucca Valley

The chart displays monthly precipitation patterns in Yucca Valley, 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 Yucca Valley, December typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec303222145264251133
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Yucca Valley

In Yucca Valley in December humidity is 74%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace that can make outdoor activities somewhat uncomfortable; travelers may find themselves needing to dress in layers to stay warm while also coping with the dampness in the air.

December Average Humidity in Yucca Valley

This chart illustrates the average monthly humidity levels in Yucca Valley, 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 Yucca Valley is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yucca Valley

In Yucca Valley in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Yucca Valley for better planning.

Maximum UV Index Levels in Yucca Valley for December

The chart shows the monthly maximum UV Index (UVI) for Yucca Valley 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 Yucca Valley typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111212131110854
Data source: Yucca Valley 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 Yucca Valley Compares to Other Months

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

This table compares monthly weather conditions in Yucca Valley, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)30 mm (1.2 inches)72%moderate
February Weather10°C (51°F)32 mm (1.3 inches)77%high
March Weather13°C (55°F)22 mm (0.9 inches)67%very high
April Weather17°C (64°F)14 mm (0.5 inches)56%extreme
May Weather20°C (69°F)5 mm (0.2 inches)46%extreme
June Weather26°C (80°F)1 mm (0.1 inches)48%extreme
July Weather29°C (85°F)6 mm (0.3 inches)46%extreme
August Weather29°C (85°F)4 mm (0.2 inches)42%extreme
September Weather25°C (78°F)2 mm (0.1 inches)52%very high
October Weather19°C (66°F)5 mm (0.2 inches)58%very high
November Weather14°C (58°F)11 mm (0.4 inches)66%moderate
December Weather9°C (49°F)33 mm (1.3 inches)74%moderate

Compare Yucca Valley's Climate with Cities Worldwide