December Weather in Broken Arrow, United States

Last updated: June 24, 2025

In December, the average temperature in Broken Arrow, United States rests at a cool 7°C (45°F). Expect a chilly minimum of -8°C (17°F) and a warm maximum reaching 25°C (77°F). This month brings about 56 mm (2.2 in) of precipitation over approximately 6 days, along with an average humidity level of 87%. Prepare for a mix of conditions if you're planning a visit!

December Temperature in Broken Arrow

In December in Broken Arrow, the average temperature is 7°C (45°F). Maximums can reach 25°C (77°F), while minimums can drop as low as -8°C (17°F). Be prepared for a wide range of temperatures during your travels to Broken Arrow this month.

December Weather in Broken Arrow: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Broken Arrow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Broken Arrow, December typically has an average temperature of 7°C (45°F), with highs reaching up to 25°C (77°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec394154607079838176625045
Data source: Temperature data for Broken Arrow 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 Broken Arrow

In Broken Arrow in December, the precipitation amount is 56 mm (2.2 in) spread over 6 days.

December Precipitation Trends in Broken Arrow

The chart displays monthly precipitation patterns in Broken Arrow, 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 Broken Arrow, December typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec817811516319410192122871425556
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Broken Arrow

In Broken Arrow in December, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.

December Average Humidity in Broken Arrow

This chart illustrates the average monthly humidity levels in Broken Arrow, 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 Broken Arrow is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Broken Arrow

In Broken Arrow 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 Broken Arrow, you can check the information here.

Maximum UV Index Levels in Broken Arrow for December

The chart shows the monthly maximum UV Index (UVI) for Broken Arrow 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 Broken Arrow typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Broken Arrow 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 Broken Arrow Compares to Other Months

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

This table compares monthly weather conditions in Broken Arrow, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)81 mm (3.2 inches)79%moderate
February Weather5°C (42°F)78 mm (3.1 inches)78%high
March Weather12°C (54°F)115 mm (4.5 inches)75%high
April Weather15°C (60°F)162 mm (6.4 inches)75%very high
May Weather21°C (70°F)194 mm (7.6 inches)83%very high
June Weather26°C (79°F)101 mm (4.0 inches)81%extreme
July Weather28°C (83°F)92 mm (3.6 inches)78%extreme
August Weather27°C (81°F)122 mm (4.8 inches)68%very high
September Weather25°C (76°F)87 mm (3.4 inches)64%very high
October Weather17°C (63°F)142 mm (5.6 inches)71%high
November Weather10°C (51°F)55 mm (2.2 inches)82%moderate
December Weather7°C (45°F)56 mm (2.2 inches)87%moderate

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