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December Weather in Red Bay, United States

Last updated: June 24, 2025

In December, the average temperature in Red Bay, United States hovers around 9°C (48°F), with a wide range that can dip as low as -6°C (22°F) and occasionally reach up to 24°C (75°F). Expect approximately 146 mm (5.7 in) of precipitation spread across 11 days, contributing to a high average humidity of 88%. Prepare accordingly for a month that balances cool temperatures with a touch of moisture!

December Temperature in Red Bay

In December in Red Bay, the average temperature is 9°C (48°F). Maximums can reach 24°C (75°F) and minimums can be as low as -6°C (22°F). Be prepared for a wide range of temperatures when traveling, and pack accordingly!

December Weather in Red Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Red Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Red Bay, December typically has an average temperature of 9°C (48°F), with highs reaching up to 24°C (75°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec444957627278818076665148
Data source: Temperature data for Red Bay 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 Red Bay

In Red Bay in December, the precipitation amount is 146 mm (5.7 in) spread over 11 days.

December Precipitation Trends in Red Bay

The chart displays monthly precipitation patterns in Red Bay, 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 Red Bay, December typically receives around 146 mm (5.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec12218916116612613111810911111472146
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Red Bay

In Red Bay in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

December Average Humidity in Red Bay

This chart illustrates the average monthly humidity levels in Red Bay, 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 Red Bay is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Red Bay

In Red Bay 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 Red Bay for better planning.

Maximum UV Index Levels in Red Bay for December

The chart shows the monthly maximum UV Index (UVI) for Red Bay 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 Red Bay typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109754
Data source: Red Bay 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 Red Bay Compares to Other Months

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

This table compares monthly weather conditions in Red Bay, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)122 mm (4.8 inches)86%moderate
February Weather9°C (49°F)189 mm (7.5 inches)85%high
March Weather14°C (57°F)161 mm (6.3 inches)84%very high
April Weather17°C (62°F)166 mm (6.5 inches)81%very high
May Weather22°C (72°F)126 mm (5.0 inches)83%extreme
June Weather25°C (78°F)131 mm (5.2 inches)83%extreme
July Weather27°C (81°F)118 mm (4.7 inches)80%extreme
August Weather27°C (80°F)108 mm (4.3 inches)73%very high
September Weather24°C (76°F)111 mm (4.4 inches)70%very high
October Weather19°C (66°F)113 mm (4.5 inches)73%high
November Weather11°C (52°F)72 mm (2.8 inches)85%moderate
December Weather9°C (48°F)146 mm (5.7 inches)88%moderate

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