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December Weather in Lancaster Mill, United States

Last updated: June 24, 2025

In December, the average temperature in Lancaster Mill, United States hovers around 9°C (49°F), with a notable range from a minimum of -7°C (20°F) to a maximum of 26°C (80°F). Expect 129 mm (5.1 in) of precipitation spread over 9 days, contributing to an average humidity of 87%. Stay prepared for a mix of weather in this vibrant locale!

December Temperature in Lancaster Mill

In December in Lancaster Mill, the average temperature is 9°C (49°F). Maximum temperatures can reach 26°C (80°F), while minimums can drop as low as -7°C (20°F). Be prepared for a wide range of weather conditions when traveling to Lancaster Mill during this time.

December Weather in Lancaster Mill: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lancaster Mill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lancaster Mill, December typically has an average temperature of 9°C (49°F), with highs reaching up to 26°C (80°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec455155637277807975665248
Data source: Temperature data for Lancaster Mill 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 Lancaster Mill

In Lancaster Mill in December, the total precipitation amount is 129 mm (5.1 in) over the course of 9 days.

December Precipitation Trends in Lancaster Mill

The chart displays monthly precipitation patterns in Lancaster Mill, 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 Lancaster Mill, December typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9412582105111981101211167786129
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lancaster Mill

In Lancaster Mill in December humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.

December Average Humidity in Lancaster Mill

This chart illustrates the average monthly humidity levels in Lancaster Mill, 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 Lancaster Mill 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 Lancaster Mill

In Lancaster Mill in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Lancaster Mill for better planning.

Maximum UV Index Levels in Lancaster Mill for December

The chart shows the monthly maximum UV Index (UVI) for Lancaster Mill 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 Lancaster Mill typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109864
Data source: Lancaster Mill 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 Lancaster Mill Compares to Other Months

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

This table compares monthly weather conditions in Lancaster Mill, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)94 mm (3.7 inches)86%moderate
February Weather10°C (51°F)125 mm (4.9 inches)85%high
March Weather13°C (55°F)82 mm (3.2 inches)84%very high
April Weather17°C (63°F)105 mm (4.1 inches)82%very high
May Weather22°C (72°F)111 mm (4.4 inches)83%very high
June Weather25°C (77°F)98 mm (3.8 inches)82%extreme
July Weather27°C (80°F)110 mm (4.3 inches)80%extreme
August Weather26°C (79°F)121 mm (4.8 inches)74%very high
September Weather24°C (75°F)116 mm (4.6 inches)75%very high
October Weather19°C (66°F)77 mm (3.0 inches)79%very high
November Weather11°C (53°F)86 mm (3.4 inches)87%high
December Weather9°C (49°F)129 mm (5.1 inches)87%moderate

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