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December Weather in Arnett, United States

Last updated: June 24, 2025

In Arnett, United States, the average temperature for December hovers around 4°C (40°F). Expect a chilly minimum of -13°C (9°F) and a pleasant maximum of 25°C (78°F). The month sees about 21 mm (0.8 in) of precipitation over just 2 days, while the air carries an average humidity of 83%, adding to the cool atmosphere.

December Temperature in Arnett

In December in Arnett, the average temperature is 4°C (40°F), with a maximum reaching 25°C (78°F) and a minimum dropping as low as -13°C (9°F). Be prepared for a wide range of temperatures when planning your travel, bringing layers to stay comfortable in varying conditions.

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

The chart illustrates December temperature patterns in Arnett, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arnett, December typically has an average temperature of 4°C (40°F), with highs reaching up to 25°C (78°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec363749566677817973584740
Data source: Temperature data for Arnett 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 Arnett

In Arnett in December, the precipitation amount is 21 mm (0.8 in) over a period of 2 days.

December Precipitation Trends in Arnett

The chart displays monthly precipitation patterns in Arnett, 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 Arnett, December typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2514645510852505743721522
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arnett

In Arnett in December humidity is 83%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring you to bundle up while bracing against the heavy, cold air.

December Average Humidity in Arnett

This chart illustrates the average monthly humidity levels in Arnett, 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 Arnett is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%67%70%82%82%81%76%67%72%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arnett

In Arnett 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 Arnett, you can check the information here.

Maximum UV Index Levels in Arnett for December

The chart shows the monthly maximum UV Index (UVI) for Arnett 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 Arnett typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119753
Data source: Arnett 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 Arnett Compares to Other Months

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

This table compares monthly weather conditions in Arnett, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)25 mm (1.0 inches)75%moderate
February Weather3°C (37°F)14 mm (0.6 inches)76%high
March Weather10°C (50°F)64 mm (2.5 inches)67%very high
April Weather13°C (57°F)55 mm (2.2 inches)70%very high
May Weather19°C (67°F)108 mm (4.2 inches)82%extreme
June Weather25°C (77°F)52 mm (2.0 inches)82%extreme
July Weather27°C (81°F)50 mm (2.0 inches)81%extreme
August Weather26°C (79°F)57 mm (2.2 inches)76%extreme
September Weather23°C (73°F)43 mm (1.7 inches)67%very high
October Weather14°C (58°F)72 mm (2.8 inches)72%high
November Weather8°C (47°F)15 mm (0.6 inches)80%moderate
December Weather4°C (40°F)21 mm (0.8 inches)83%moderate

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