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December Weather in Timmonsville, United States

Last updated: June 24, 2025

In December, the average temperature in Timmonsville, United States hovers around 10°C (50°F). This season sees a temperature swing, with minimums dropping to -6°C (21°F) and maximums reaching up to 26°C (79°F). Expect 141 mm (5.6 in) of precipitation spread over about 10 days, contributing to a notably high average humidity of 87%.

December Temperature in Timmonsville

In December in Timmonsville, the average temperature is 10°C (50°F). Maximum temperatures can reach up to 26°C (79°F), while minimum temperatures can drop as low as -6°C (21°F). This range makes Timmonsville a great destination for those who enjoy a mix of mild and brisk weather during their travels.

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

The chart illustrates December temperature patterns in Timmonsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Timmonsville, December typically has an average temperature of 10°C (50°F), with highs reaching up to 26°C (79°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec475357657378818177685450
Data source: Temperature data for Timmonsville 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 Timmonsville

In Timmonsville in December, the total precipitation amount is 141 mm (5.6 in) over a period of 10 days.

December Precipitation Trends in Timmonsville

The chart displays monthly precipitation patterns in Timmonsville, 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 Timmonsville, December typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec819971951101251291261515969141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Timmonsville

In Timmonsville in December humidity is 87%. With an average temperature of 10°C (50°F), this humidity feels like a heavy cloak wrapping around you, making every step feel laborious and the air thick with moisture, challenging your comfort while traveling.

December Average Humidity in Timmonsville

This chart illustrates the average monthly humidity levels in Timmonsville, 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 Timmonsville 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 Timmonsville

In Timmonsville 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 Timmonsville for better planning.

Maximum UV Index Levels in Timmonsville for December

The chart shows the monthly maximum UV Index (UVI) for Timmonsville 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 Timmonsville typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Timmonsville 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 Timmonsville Compares to Other Months

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

This table compares monthly weather conditions in Timmonsville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)81 mm (3.2 inches)86%moderate
February Weather12°C (53°F)99 mm (3.9 inches)85%high
March Weather14°C (57°F)70 mm (2.8 inches)84%very high
April Weather18°C (65°F)95 mm (3.7 inches)82%very high
May Weather23°C (73°F)110 mm (4.3 inches)83%extreme
June Weather26°C (78°F)125 mm (4.9 inches)82%extreme
July Weather27°C (82°F)128 mm (5.1 inches)80%extreme
August Weather27°C (81°F)125 mm (4.9 inches)74%very high
September Weather25°C (77°F)151 mm (5.9 inches)75%very high
October Weather20°C (69°F)59 mm (2.3 inches)79%very high
November Weather12°C (55°F)69 mm (2.7 inches)87%high
December Weather10°C (50°F)141 mm (5.6 inches)87%moderate

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