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December Weather in Hesperia, United States

Last updated: June 24, 2025

In December, the average temperature in Hesperia, United States hovers around 8°C (47°F), with minimums dropping to -4°C (24°F) and maximums reaching 23°C (73°F). Expect about 44 mm (1.7 in) of precipitation over 4 days, contributing to an average humidity of 75%. Prepare for a blend of chilly and warmer days, perfect for embracing the local charm!

December Temperature in Hesperia

In December in Hesperia, the average temperature is 8°C (47°F). Maximum temperatures can reach 23°C (73°F), while minimums can drop as low as -4°C (24°F). Pack accordingly to enjoy a comfortable trip, as you'll experience a wide range of weather conditions.

December Weather in Hesperia: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Hesperia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hesperia, December typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (73°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec484953616677838276655647
Data source: Temperature data for Hesperia 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 Hesperia

In Hesperia in December, the precipitation amount is 44 mm (1.7 in) over the course of 4 days.

December Precipitation Trends in Hesperia

The chart displays monthly precipitation patterns in Hesperia, 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 Hesperia, December typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec354040177266251344
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hesperia

In Hesperia in December humidity is 75%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities quite uncomfortable and requiring you to bundle up to stay warm while navigating the misty streets.

December Average Humidity in Hesperia

This chart illustrates the average monthly humidity levels in Hesperia, 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 Hesperia is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%69%57%45%34%29%28%42%54%68%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hesperia

In Hesperia 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 Hesperia for better planning.

Maximum UV Index Levels in Hesperia for December

The chart shows the monthly maximum UV Index (UVI) for Hesperia 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 Hesperia typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112121110854
Data source: Hesperia 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 Hesperia Compares to Other Months

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

This table compares monthly weather conditions in Hesperia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)35 mm (1.4 inches)76%moderate
February Weather10°C (49°F)40 mm (1.6 inches)80%high
March Weather12°C (53°F)40 mm (1.6 inches)69%very high
April Weather16°C (61°F)17 mm (0.7 inches)57%extreme
May Weather19°C (67°F)7 mm (0.3 inches)45%extreme
June Weather25°C (77°F)2 mm (0.1 inches)34%extreme
July Weather28°C (83°F)6 mm (0.2 inches)29%extreme
August Weather28°C (82°F)6 mm (0.2 inches)28%extreme
September Weather25°C (76°F)2 mm (0.1 inches)41%very high
October Weather18°C (65°F)5 mm (0.2 inches)54%very high
November Weather13°C (56°F)13 mm (0.5 inches)68%moderate
December Weather8°C (47°F)44 mm (1.7 inches)75%moderate

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