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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 3°C (38°F). Expect a temperature range that can dip to a chilly -17°C (1°F) or rise to a pleasant 22°C (73°F). With an average precipitation of 35 mm (1.4 in) spread over 4 days, and humidity levels at a high 84%, prepare for a damp and cool atmosphere during your visit!

December Temperature in Wellsville

In December in Wellsville, the average temperature is 3°C (38°F), with maximums reaching 22°C (73°F) and minimums dropping as low as -17°C (1°F). Travelers should be prepared for a wide range of temperatures during this month.

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 3°C (38°F), with highs reaching up to 22°C (73°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec323347546677807772574538
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 precipitation amount is 35 mm (1.4 in) over a span of 4 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 35 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec553510097195101114121861104535
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 84%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as the cold air clings to you and the moisture creates an oppressive heaviness in the atmosphere.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
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 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 Wellsville, you can check the information here.

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 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
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 Weather0°C (32°F)55 mm (2.2 inches)76%moderate
February Weather1°C (34°F)35 mm (1.4 inches)77%moderate
March Weather8°C (47°F)100 mm (3.9 inches)70%high
April Weather12°C (55°F)97 mm (3.8 inches)73%very high
May Weather19°C (66°F)195 mm (7.7 inches)82%very high
June Weather25°C (77°F)101 mm (4.0 inches)82%extreme
July Weather27°C (80°F)114 mm (4.5 inches)81%extreme
August Weather25°C (77°F)121 mm (4.8 inches)78%very high
September Weather22°C (72°F)86 mm (3.4 inches)71%very high
October Weather14°C (58°F)110 mm (4.3 inches)71%high
November Weather7°C (45°F)45 mm (1.8 inches)81%moderate
December Weather3°C (38°F)35 mm (1.4 inches)84%moderate

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