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December Weather in Palmyra, United States

Last updated: June 24, 2025

In December, the average temperature in Palmyra, United States hovers around 2°C (37°F), creating a brisk atmosphere. Expect temperatures to vary significantly, with a minimum of -19°C (-2°F) and a maximum of 23°C (74°F). Precipitation is moderate, with about 43 mm (1.7 in) distributed over 6 days, while the air remains quite humid at an average of 86%. Prepare accordingly for a season filled with diverse weather!

December Temperature in Palmyra

In December in Palmyra, the average temperature is 2°C (37°F). The maximum can reach 23°C (74°F), while the minimum can be as low as -19°C (-2°F). Be prepared for a wide range of temperatures if you plan to travel during this month.

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

The chart illustrates December temperature patterns in Palmyra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palmyra, December typically has an average temperature of 2°C (37°F), with highs reaching up to 23°C (74°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec293245536676797571574336
Data source: Temperature data for Palmyra 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 Palmyra

In Palmyra in December, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

December Precipitation Trends in Palmyra

The chart displays monthly precipitation patterns in Palmyra, 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 Palmyra, December typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec64611201021641168998771085943
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Palmyra

In Palmyra in December, humidity is 86%. With an average temperature of 2°C (37°F), this humidity feels like a chilly dampness that clings to your clothes and makes outdoor activities quite uncomfortable for traveling.

December Average Humidity in Palmyra

This chart illustrates the average monthly humidity levels in Palmyra, 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 Palmyra is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Palmyra

In Palmyra 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 Palmyra, you can check the information here.

Maximum UV Index Levels in Palmyra for December

The chart shows the monthly maximum UV Index (UVI) for Palmyra 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 Palmyra typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109643
Data source: Palmyra 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 Palmyra Compares to Other Months

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

This table compares monthly weather conditions in Palmyra, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)64 mm (2.5 inches)82%moderate
February Weather0°C (32°F)61 mm (2.4 inches)80%moderate
March Weather7°C (45°F)120 mm (4.7 inches)80%high
April Weather12°C (53°F)102 mm (4.0 inches)80%very high
May Weather19°C (66°F)164 mm (6.4 inches)82%very high
June Weather24°C (76°F)116 mm (4.6 inches)83%extreme
July Weather26°C (79°F)89 mm (3.5 inches)81%very high
August Weather24°C (76°F)98 mm (3.9 inches)80%very high
September Weather22°C (71°F)77 mm (3.0 inches)76%very high
October Weather14°C (57°F)108 mm (4.2 inches)76%high
November Weather6°C (43°F)59 mm (2.3 inches)85%moderate
December Weather2°C (37°F)43 mm (1.7 inches)86%moderate

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