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December Weather in Holly, United States

Last updated: June 24, 2025

In Holly, United States, the average temperature in December reaches a chilly 2°C (37°F). While the mercury can dip as low as -17°C (1°F), it can also escalate to a balmy 24°C (75°F) on warmer days. Expect 14 mm (0.6 in) of precipitation spread over 2 days, accompanied by an average humidity of 83%, creating a uniquely crisp atmosphere.

December Temperature in Holly

In December in Holly, the average temperature is 2°C (37°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -17°C (1°F). Travelers should be prepared for a wide range of temperatures, from chilly to mild, making it essential to pack layers for their visit.

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

The chart illustrates December temperature patterns in Holly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Holly, December typically has an average temperature of 2°C (37°F), with highs reaching up to 24°C (75°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec343447546376807772554536
Data source: Temperature data for Holly 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 Holly

In Holly in December, the precipitation amount is 14 mm (0.6 in) over a period of 2 days.

December Precipitation Trends in Holly

The chart displays monthly precipitation patterns in Holly, 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 Holly, December typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec161634368043495535251014
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Holly

In Holly in December, humidity is 83%. With an average temperature of 2°C (37°F), this humidity feels like an icy embrace, making travel uncomfortable and brisk, as the cold air clings to your skin and chills you to the bone.

December Average Humidity in Holly

This chart illustrates the average monthly humidity levels in Holly, 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 Holly is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%65%67%81%82%82%84%79%75%79%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Holly

In Holly 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 Holly, you can check the information here.

Maximum UV Index Levels in Holly for December

The chart shows the monthly maximum UV Index (UVI) for Holly 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 Holly typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101112121110753
Data source: Holly 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 Holly Compares to Other Months

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

This table compares monthly weather conditions in Holly, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)16 mm (0.6 inches)74%moderate
February Weather1°C (34°F)16 mm (0.6 inches)77%moderate
March Weather8°C (47°F)33 mm (1.3 inches)65%very high
April Weather12°C (54°F)36 mm (1.4 inches)67%very high
May Weather17°C (64°F)80 mm (3.1 inches)81%extreme
June Weather25°C (76°F)43 mm (1.7 inches)82%extreme
July Weather26°C (80°F)49 mm (1.9 inches)82%extreme
August Weather25°C (77°F)55 mm (2.2 inches)84%extreme
September Weather22°C (72°F)35 mm (1.4 inches)79%very high
October Weather13°C (55°F)25 mm (1.0 inches)75%high
November Weather7°C (45°F)10 mm (0.4 inches)79%moderate
December Weather2°C (37°F)14 mm (0.6 inches)83%moderate

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