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December Weather in Wellsville, United States

Last updated: June 24, 2025

In December, the average temperature in Wellsville, United States hovers around 2°C (36°F). Expect chilly nights with a minimum drop to -16°C (4°F), while daytime highs can reach up to 18°C (64°F). Be prepared for approximately 98 mm (3.9 in) of precipitation spread over 11 days, and with an average humidity of 86%, the air can feel quite damp.

December Temperature in Wellsville

In December in Wellsville, the average temperature is 2°C (36°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop as low as -16°C (4°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Wellsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wellsville, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (64°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec303441516270757367574236
Data source: Temperature data for Wellsville 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 Wellsville

In Wellsville in December, the total precipitation amount is 98 mm (3.9 in) over the course of 11 days.

December Precipitation Trends in Wellsville

The chart displays monthly precipitation patterns in Wellsville, 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 Wellsville, December typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec92113101133132133130991171209598
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Wellsville

In Wellsville in December, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

December Average Humidity in Wellsville

This chart illustrates the average monthly humidity levels in Wellsville, 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 Wellsville is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Wellsville

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

Maximum UV Index Levels in Wellsville for December

The chart shows the monthly maximum UV Index (UVI) for Wellsville 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 Wellsville typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Wellsville 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 Wellsville Compares to Other Months

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

This table compares monthly weather conditions in Wellsville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)92 mm (3.6 inches)88%moderate
February Weather1°C (34°F)113 mm (4.5 inches)88%moderate
March Weather5°C (41°F)101 mm (4.0 inches)87%high
April Weather11°C (51°F)133 mm (5.2 inches)87%very high
May Weather17°C (62°F)132 mm (5.2 inches)81%very high
June Weather21°C (70°F)133 mm (5.2 inches)83%very high
July Weather24°C (75°F)130 mm (5.1 inches)82%very high
August Weather23°C (73°F)99 mm (3.9 inches)76%very high
September Weather20°C (68°F)117 mm (4.6 inches)77%very high
October Weather14°C (57°F)120 mm (4.7 inches)82%high
November Weather5°C (42°F)94 mm (3.7 inches)89%moderate
December Weather2°C (36°F)98 mm (3.9 inches)86%low

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