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December Weather in Lake Isabella, United States

Last updated: June 24, 2025

In December, the average temperature in Lake Isabella, United States hovers around -2°C (30°F), with extremes reaching a chilling -26°C (-15°F) at times, while the highest it can climb is 15°C (60°F). Expect about 65 mm (2.6 in) of precipitation over approximately 10 days, and be prepared for a notably high average humidity of 86%.

December Temperature in Lake Isabella

In December in Lake Isabella, the average temperature is -2°C (30°F), with maximums reaching 15°C (60°F) and minimums dropping as low as -26°C (-15°F). Travelers should be prepared for a wide range of temperatures during this time.

December Weather in Lake Isabella: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lake Isabella, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Isabella, December typically has an average temperature of -2°C (30°F), with highs reaching up to 15°C (60°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec232434445868737063503629
Data source: Temperature data for Lake Isabella 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 Lake Isabella

In Lake Isabella in December, the precipitation amount is 65 mm (2.6 in) over a span of 10 days.

December Precipitation Trends in Lake Isabella

The chart displays monthly precipitation patterns in Lake Isabella, 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 Lake Isabella, December typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec555557921171037192981325565
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lake Isabella

In Lake Isabella in December, humidity is 86%. With an average temperature of -2°C (30°F), this humidity feels like a biting chill that punctuates the air, making it essential for travelers to bundle up to stay warm and navigate the frosty environment with care.

December Average Humidity in Lake Isabella

This chart illustrates the average monthly humidity levels in Lake Isabella, 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 Lake Isabella is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lake Isabella

In Lake Isabella in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Lake Isabella, you can visit Hourly UV Index in Lake Isabella.

Maximum UV Index Levels in Lake Isabella for December

The chart shows the monthly maximum UV Index (UVI) for Lake Isabella 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 Lake Isabella typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Lake Isabella 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 Lake Isabella Compares to Other Months

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

This table compares monthly weather conditions in Lake Isabella, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)55 mm (2.2 inches)87%low
February Weather-5°C (24°F)55 mm (2.2 inches)87%moderate
March Weather1°C (34°F)57 mm (2.2 inches)86%moderate
April Weather7°C (45°F)92 mm (3.6 inches)87%very high
May Weather14°C (58°F)117 mm (4.6 inches)82%very high
June Weather20°C (68°F)103 mm (4.1 inches)81%very high
July Weather23°C (73°F)71 mm (2.8 inches)78%very high
August Weather21°C (70°F)92 mm (3.6 inches)79%very high
September Weather17°C (63°F)98 mm (3.9 inches)79%high
October Weather10°C (51°F)132 mm (5.2 inches)82%moderate
November Weather2°C (37°F)55 mm (2.2 inches)87%moderate
December Weather-2°C (30°F)65 mm (2.6 inches)86%low

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