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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 9°C (48°F), ranging from a brisk -6°C (21°F) to a pleasant 25°C (78°F). Expect 127 mm (5.0 in) of precipitation over approximately 9 days, accompanied by a high average humidity of 87%. Whether you're bundled up or enjoying a sunny day, be ready for a dynamic climate!

December Temperature in York

In December in York, the average temperature is 9°C (48°F), with maximums reaching 25°C (78°F) and minimums dropping as low as -6°C (21°F). This climate offers a diverse range of experiences, making it an ideal destination for travelers seeking both mild and chilly weather.

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 9°C (48°F), with highs reaching up to 25°C (78°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec455055637177817975665248
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 127 mm (5.0 in) over a span of 9 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 127 mm (5.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec941209210911284991211309796127
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 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109853
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 Weather7°C (45°F)94 mm (3.7 inches)86%moderate
February Weather10°C (50°F)120 mm (4.7 inches)85%high
March Weather13°C (55°F)92 mm (3.6 inches)84%very high
April Weather17°C (63°F)109 mm (4.3 inches)82%very high
May Weather22°C (71°F)112 mm (4.4 inches)83%very high
June Weather25°C (77°F)84 mm (3.3 inches)82%extreme
July Weather27°C (81°F)99 mm (3.9 inches)80%extreme
August Weather26°C (79°F)121 mm (4.8 inches)74%very high
September Weather24°C (75°F)130 mm (5.1 inches)75%very high
October Weather19°C (66°F)97 mm (3.8 inches)79%very high
November Weather11°C (52°F)96 mm (3.8 inches)87%moderate
December Weather9°C (48°F)127 mm (5.0 inches)87%moderate

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