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December Weather in Orange, United States

Last updated: June 24, 2025

In December, the average temperature in Orange, United States hovers around 5°C (42°F). While you might experience a brisk minimum of -11°C (13°F), there's always the possibility of reaching a maximum of 22°C (72°F) on warmer days. Expect 84 mm (3.3 in) of precipitation spread across 8 days, contributing to a rather elevated average humidity of 85%.

December Temperature in Orange

In December in Orange, the average temperature is 5°C (42°F). Maximums can reach 22°C (72°F) and minimums can be as low as -11°C (13°F). Make sure to pack for a wide range of temperatures if you're traveling during this time.

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

The chart illustrates December temperature patterns in Orange, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Orange, December typically has an average temperature of 5°C (42°F), with highs reaching up to 22°C (72°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec384348586775817872634842
Data source: Temperature data for Orange 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 Orange

In Orange in December, the precipitation amount is 84 mm (3.3 in) spread over 8 days.

December Precipitation Trends in Orange

The chart displays monthly precipitation patterns in Orange, 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 Orange, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec63887110811211270127931067784
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Orange

In Orange in December, humidity is 85%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and requiring extra layers to stay warm while exploring.

December Average Humidity in Orange

This chart illustrates the average monthly humidity levels in Orange, 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 Orange is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Orange

In Orange 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 Orange, you can check the information here.

Maximum UV Index Levels in Orange for December

The chart shows the monthly maximum UV Index (UVI) for Orange 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 Orange typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911101098753
Data source: Orange 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 Orange Compares to Other Months

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

This table compares monthly weather conditions in Orange, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)63 mm (2.5 inches)86%moderate
February Weather6°C (43°F)88 mm (3.5 inches)86%moderate
March Weather9°C (48°F)70 mm (2.8 inches)86%high
April Weather14°C (58°F)107 mm (4.2 inches)84%very high
May Weather20°C (67°F)111 mm (4.4 inches)78%extreme
June Weather24°C (75°F)112 mm (4.4 inches)79%very high
July Weather27°C (81°F)70 mm (2.8 inches)70%very high
August Weather25°C (78°F)127 mm (5.0 inches)59%very high
September Weather22°C (72°F)93 mm (3.7 inches)68%very high
October Weather17°C (63°F)106 mm (4.2 inches)80%high
November Weather9°C (48°F)77 mm (3.0 inches)86%moderate
December Weather5°C (42°F)84 mm (3.3 inches)85%moderate

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