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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 0°C (32°F). Expect potentially chilly extremes, with minimum temperatures dipping to -21°C (-6°F) and maximums reaching 20°C (68°F). During this month, anticipate about 50 mm (2.0 in) of precipitation spread over 6 days, contributing to an average humidity of 84%.

December Temperature in Palmyra

In December in Palmyra, the average temperature is 0°C (32°F). Maximums can reach 20°C (68°F), while minimums can drop to as low as -21°C (-6°F). Be prepared for a wide range of temperatures when traveling to Palmyra during this time.

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 0°C (32°F), with highs reaching up to 20°C (68°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec232639496273767368543832
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 50 mm (2.0 in) over the course 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 50 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec616085113165135100711161175350
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 84%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that seeps into your clothes, making traveling uncomfortable and necessitating extra layers to stay warm despite the moisture-laden air.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
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 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 Palmyra, you can visit Hourly UV Index in Palmyra.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
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-5°C (24°F)61 mm (2.4 inches)82%moderate
February Weather-3°C (26°F)60 mm (2.3 inches)83%moderate
March Weather4°C (40°F)85 mm (3.3 inches)84%high
April Weather9°C (49°F)113 mm (4.5 inches)85%very high
May Weather17°C (62°F)164 mm (6.5 inches)79%very high
June Weather23°C (73°F)135 mm (5.3 inches)82%very high
July Weather24°C (76°F)100 mm (3.9 inches)80%very high
August Weather23°C (73°F)71 mm (2.8 inches)81%very high
September Weather20°C (68°F)116 mm (4.6 inches)80%very high
October Weather12°C (54°F)117 mm (4.6 inches)82%high
November Weather3°C (39°F)53 mm (2.1 inches)88%moderate
December Weather0°C (32°F)50 mm (2.0 inches)84%low

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