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December Weather in Vandenberg Air Force Base, United States

Last updated: June 24, 2025

In December, the average temperature in Vandenberg Air Force Base, United States is a comfortable 13°C (56°F). During this time, you can expect temperatures to range from a cool 7°C (45°F) to a pleasant 23°C (73°F). With 70 mm (2.7 in) of precipitation over 6 days, it's wise to keep an umbrella handy. Plus, the air tends to be quite moist, with an average humidity of 76%.

December Temperature in Vandenberg Air Force Base

In December in Vandenberg Air Force Base, the average temperature is 13°C (56°F). Maximums can reach 23°C (73°F) and minimums can be as low as 7°C (45°F). This mild climate makes it an ideal time for outdoor activities and sightseeing.

December Weather in Vandenberg Air Force Base: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Vandenberg Air Force Base, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vandenberg Air Force Base, December typically has an average temperature of 13°C (56°F), with highs reaching up to 23°C (73°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec555455565759626363635955
Data source: Temperature data for Vandenberg Air Force Base 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 Vandenberg Air Force Base

In Vandenberg Air Force Base in December, the total precipitation amount is 70 mm (2.7 in), occurring over the span of 6 days.

December Precipitation Trends in Vandenberg Air Force Base

The chart displays monthly precipitation patterns in Vandenberg Air Force Base, 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 Vandenberg Air Force Base, December typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec92728221101111102870
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vandenberg Air Force Base

In Vandenberg Air Force Base in December humidity is 76%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making travel a bit uncomfortable as you navigate through the heavy, moisture-laden air.

December Average Humidity in Vandenberg Air Force Base

This chart illustrates the average monthly humidity levels in Vandenberg Air Force Base, 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 Vandenberg Air Force Base is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%80%76%75%74%75%72%70%70%74%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Vandenberg Air Force Base

In Vandenberg Air Force Base 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 Vandenberg Air Force Base, you can check the information here.

Maximum UV Index Levels in Vandenberg Air Force Base for December

The chart shows the monthly maximum UV Index (UVI) for Vandenberg Air Force Base 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 Vandenberg Air Force Base typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110753
Data source: Vandenberg Air Force Base 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 Vandenberg Air Force Base Compares to Other Months

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

This table compares monthly weather conditions in Vandenberg Air Force Base, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)92 mm (3.6 inches)80%moderate
February Weather12°C (54°F)72 mm (2.8 inches)83%high
March Weather13°C (55°F)82 mm (3.2 inches)80%very high
April Weather13°C (56°F)21 mm (0.8 inches)76%very high
May Weather14°C (57°F)10 mm (0.4 inches)75%extreme
June Weather15°C (60°F)1 mm (0.1 inches)74%extreme
July Weather16°C (62°F)1 mm (0.0 inches)75%extreme
August Weather17°C (63°F)1 mm (0.1 inches)72%extreme
September Weather17°C (63°F)1 mm (0.1 inches)70%very high
October Weather17°C (63°F)10 mm (0.4 inches)70%high
November Weather15°C (59°F)28 mm (1.1 inches)74%moderate
December Weather13°C (56°F)70 mm (2.7 inches)76%moderate

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