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December Weather in York, United States

Last updated: June 24, 2025

In York, United States, the average temperature in December hovers around 0°C (33°F). However, don't be surprised by the extreme variations—temperatures can dip to a chilling -23°C (-9°F) or soar up to a pleasant 21°C (70°F). Expect about 40 mm (1.6 in) of precipitation spread over roughly 4 days, contributing to an average humidity level of 79%.

December Temperature in York

In December in York, the average temperature is 0°C (33°F). Maximum can reach 21°C (70°F) and minimum can be as low as -23°C (-9°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in York, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In York, December typically has an average temperature of 0°C (33°F), with highs reaching up to 21°C (70°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec272741506376787570534132
Data source: Temperature data for York 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 York

In York in December, the precipitation amount is 40 mm (1.6 in) spread over a duration of 4 days.

December Precipitation Trends in York

The chart displays monthly precipitation patterns in York, 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 York, December typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec31249047152102557365912440
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in York

In York in December humidity is 79%. With an average temperature of 0°C (33°F), this humidity feels like a biting chill that cuts through your clothes, making traveling quite uncomfortable as the dampness clings to your skin and saps your energy.

December Average Humidity in York

This chart illustrates the average monthly humidity levels in York, 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 York is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in York

In York 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 York, you can check the information here.

Maximum UV Index Levels in York for December

The chart shows the monthly maximum UV Index (UVI) for York 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 York typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110108643
Data source: York 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 York Compares to Other Months

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

This table compares monthly weather conditions in York, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)31 mm (1.2 inches)73%moderate
February Weather-3°C (27°F)23 mm (0.9 inches)81%moderate
March Weather5°C (42°F)90 mm (3.5 inches)69%high
April Weather10°C (51°F)47 mm (1.9 inches)71%very high
May Weather17°C (63°F)152 mm (6.0 inches)80%very high
June Weather24°C (76°F)102 mm (4.0 inches)83%extreme
July Weather26°C (79°F)55 mm (2.2 inches)84%very high
August Weather24°C (75°F)72 mm (2.9 inches)84%very high
September Weather21°C (70°F)65 mm (2.6 inches)77%very high
October Weather11°C (53°F)91 mm (3.6 inches)72%high
November Weather5°C (41°F)24 mm (0.9 inches)80%moderate
December Weather0°C (33°F)40 mm (1.6 inches)79%moderate

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