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December Weather in Shelby, United States

Last updated: June 24, 2025

In December, the average temperature in Shelby, United States hovers around 8°C (46°F), with variations ranging from a chilling -8°C (18°F) to a balmy 24°C (76°F). Expect approximately 124 mm (4.9 in) of precipitation spread over 9 days, contributing to an overall average humidity of 87%.

December Temperature in Shelby

In December, in Shelby, the average temperature is 8°C (46°F). The maximum can reach 24°C (76°F), while the minimum can drop as low as -8°C (18°F). Be prepared for a wide range of temperatures when traveling to Shelby during this time.

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

The chart illustrates December temperature patterns in Shelby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shelby, December typically has an average temperature of 8°C (46°F), with highs reaching up to 24°C (76°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec434853617076807874645046
Data source: Temperature data for Shelby 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 Shelby

In Shelby in December, the precipitation amount is 124 mm (4.9 in) over the course of 9 days.

December Precipitation Trends in Shelby

The chart displays monthly precipitation patterns in Shelby, 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 Shelby, December typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9512797120116908811012811393124
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Shelby

In Shelby in December, humidity is 87%. With an average temperature of 8°C (46°F), this humidity feels like a chilly, damp fog clinging to your skin, making outdoor activities a bit uncomfortable and causing even mild exertion to leave you feeling clammy and cold.

December Average Humidity in Shelby

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

In Shelby 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 Shelby, you can check the information here.

Maximum UV Index Levels in Shelby for December

The chart shows the monthly maximum UV Index (UVI) for Shelby 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 Shelby typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
Data source: Shelby 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 Shelby Compares to Other Months

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

This table compares monthly weather conditions in Shelby, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)95 mm (3.7 inches)86%moderate
February Weather9°C (49°F)127 mm (5.0 inches)85%high
March Weather12°C (53°F)97 mm (3.8 inches)84%very high
April Weather16°C (61°F)120 mm (4.7 inches)82%very high
May Weather21°C (70°F)115 mm (4.5 inches)83%very high
June Weather24°C (76°F)90 mm (3.6 inches)82%extreme
July Weather27°C (80°F)88 mm (3.5 inches)80%very high
August Weather25°C (78°F)110 mm (4.3 inches)74%very high
September Weather23°C (74°F)128 mm (5.0 inches)75%very high
October Weather18°C (65°F)113 mm (4.4 inches)79%very high
November Weather10°C (51°F)93 mm (3.7 inches)87%moderate
December Weather8°C (46°F)124 mm (4.9 inches)87%moderate

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