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December Weather in Prescott, United States

Last updated: June 24, 2025

In December, the average temperature in Prescott, United States hovers around -5°C (24°F). Be prepared for chilly extremes, as temperatures can plummet to a minimum of -27°C (-17°F), while occasionally reaching a maximum of 15°C (59°F). This month also brings about 53 mm (2.1 in) of precipitation, spread over 7 days, contributing to an average humidity of 84%.

December Temperature in Prescott

In December in Prescott, the average temperature is -5°C (24°F). The maximum can reach 15°C (59°F) and the minimum can drop as low as -27°C (-17°F). Pack accordingly and prepare for a range of weather conditions during your travels.

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

The chart illustrates December temperature patterns in Prescott, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Prescott, December typically has an average temperature of -5°C (24°F), with highs reaching up to 15°C (59°F) and lows dropping to around -27°C (-17°F).
JanFebMarAprMayJunJulAugSepOctNovDec171733435971747064483323
Data source: Temperature data for Prescott 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 Prescott

In Prescott in December, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.

December Precipitation Trends in Prescott

The chart displays monthly precipitation patterns in Prescott, 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 Prescott, December typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec32415987143115107122115993953
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Prescott

In Prescott in December, humidity is 84%. With an average temperature of -5°C (24°F), this humidity feels like an icy blanket wrapped around you, making the air feel even colder and more biting, which can be quite uncomfortable for traveling.

December Average Humidity in Prescott

This chart illustrates the average monthly humidity levels in Prescott, 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 Prescott is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Prescott

In Prescott 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 Prescott, you can visit Hourly UV Index in Prescott.

Maximum UV Index Levels in Prescott for December

The chart shows the monthly maximum UV Index (UVI) for Prescott 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 Prescott typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Prescott 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 Prescott Compares to Other Months

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

This table compares monthly weather conditions in Prescott, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)32 mm (1.3 inches)87%low
February Weather-8°C (17°F)41 mm (1.6 inches)90%moderate
March Weather1°C (33°F)59 mm (2.3 inches)85%moderate
April Weather6°C (44°F)87 mm (3.4 inches)84%high
May Weather15°C (59°F)143 mm (5.6 inches)78%very high
June Weather21°C (71°F)115 mm (4.5 inches)80%very high
July Weather23°C (74°F)107 mm (4.2 inches)81%very high
August Weather21°C (70°F)122 mm (4.8 inches)81%very high
September Weather18°C (64°F)115 mm (4.5 inches)81%high
October Weather9°C (48°F)99 mm (3.9 inches)84%moderate
November Weather1°C (33°F)39 mm (1.5 inches)88%moderate
December Weather-5°C (24°F)53 mm (2.1 inches)84%low

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