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December Weather in Lewisburg, United States

Last updated: June 24, 2025

In Lewisburg, United States, the average temperature in December hovers around 6°C (44°F). Visitors should be prepared for a range of conditions, with temperatures dipping as low as -11°C (12°F) and peaking at 23°C (74°F). Expect moderate precipitation, totaling 125 mm (4.9 in) over approximately 10 days, accompanied by high humidity levels averaging 88%.

December Temperature in Lewisburg

In December in Lewisburg, the average temperature is 6°C (44°F). Maximums can reach 23°C (74°F), while minimums can drop as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their visit.

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

The chart illustrates December temperature patterns in Lewisburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lewisburg, December typically has an average temperature of 6°C (44°F), with highs reaching up to 23°C (74°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec384251586976807873624743
Data source: Temperature data for Lewisburg 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 Lewisburg

In Lewisburg in December, the precipitation amount is 125 mm (4.9 in) spread over a period of 10 days.

December Precipitation Trends in Lewisburg

The chart displays monthly precipitation patterns in Lewisburg, 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 Lewisburg, December typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9216713216312212011012512111888126
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lewisburg

In Lewisburg in December humidity is 88%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less inviting and requiring warm, layered clothing to stay comfortable while exploring.

December Average Humidity in Lewisburg

This chart illustrates the average monthly humidity levels in Lewisburg, 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 Lewisburg is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lewisburg

In Lewisburg 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 Lewisburg, you can check the information here.

Maximum UV Index Levels in Lewisburg for December

The chart shows the monthly maximum UV Index (UVI) for Lewisburg 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 Lewisburg typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101110109753
Data source: Lewisburg 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 Lewisburg Compares to Other Months

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

This table compares monthly weather conditions in Lewisburg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)92 mm (3.6 inches)87%moderate
February Weather6°C (42°F)167 mm (6.6 inches)86%high
March Weather10°C (51°F)132 mm (5.2 inches)86%high
April Weather14°C (58°F)162 mm (6.4 inches)82%very high
May Weather21°C (69°F)122 mm (4.8 inches)82%very high
June Weather25°C (77°F)120 mm (4.7 inches)83%extreme
July Weather27°C (80°F)110 mm (4.3 inches)80%very high
August Weather25°C (78°F)125 mm (4.9 inches)74%very high
September Weather23°C (73°F)121 mm (4.8 inches)71%very high
October Weather17°C (62°F)118 mm (4.6 inches)78%high
November Weather8°C (47°F)87 mm (3.4 inches)88%moderate
December Weather6°C (44°F)125 mm (4.9 inches)88%moderate

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