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December Weather in Mount Hermon, United States

Last updated: June 24, 2025

In Mount Hermon, United States, the average temperature in December hovers around 7°C (44°F). The range can be quite dramatic, with minimums dipping to -9°C (17°F) and maximums reaching 23°C (73°F). Expect around 100 mm (3.9 in) of precipitation over 9 days, and keep in mind the average humidity is notably high at 85%.

December Temperature in Mount Hermon

In December in Mount Hermon, the average temperature is 7°C (44°F). Maximums can reach 23°C (73°F), while minimums can dip as low as -9°C (17°F). Be prepared for a range of weather conditions if you plan to travel during this time.

December Weather in Mount Hermon: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mount Hermon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Hermon, December typically has an average temperature of 7°C (44°F), with highs reaching up to 23°C (73°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec404550606875807873634944
Data source: Temperature data for Mount Hermon 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 Mount Hermon

In Mount Hermon in December, the precipitation amount is 100 mm (3.9 in) spread over 9 days.

December Precipitation Trends in Mount Hermon

The chart displays monthly precipitation patterns in Mount Hermon, 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 Mount Hermon, December typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7411070126121876810210911177100
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mount Hermon

In Mount Hermon in December, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in Mount Hermon

This chart illustrates the average monthly humidity levels in Mount Hermon, 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 Mount Hermon is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mount Hermon

In Mount Hermon 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 Mount Hermon, you can check the information here.

Maximum UV Index Levels in Mount Hermon for December

The chart shows the monthly maximum UV Index (UVI) for Mount Hermon 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 Mount Hermon typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3689101110109853
Data source: Mount Hermon 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 Mount Hermon Compares to Other Months

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

This table compares monthly weather conditions in Mount Hermon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)74 mm (2.9 inches)84%moderate
February Weather7°C (46°F)110 mm (4.3 inches)84%high
March Weather10°C (51°F)70 mm (2.8 inches)84%very high
April Weather15°C (60°F)125 mm (4.9 inches)82%very high
May Weather20°C (69°F)121 mm (4.8 inches)82%very high
June Weather24°C (75°F)87 mm (3.4 inches)83%extreme
July Weather27°C (80°F)68 mm (2.7 inches)79%very high
August Weather25°C (78°F)102 mm (4.0 inches)77%very high
September Weather23°C (73°F)109 mm (4.3 inches)75%very high
October Weather17°C (63°F)111 mm (4.4 inches)81%very high
November Weather9°C (49°F)77 mm (3.0 inches)87%moderate
December Weather7°C (44°F)100 mm (3.9 inches)85%moderate

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