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December Weather in Garrett, United States

Last updated: June 24, 2025

In December, the average temperature in Garrett, United States hovers around 11°C (53°F), offering a cool yet comfortable climate. Depending on the day, temperatures can dip to a chilly -4°C (25°F) or rise to a warm 28°C (83°F). Expect about 70 mm (2.7 in) of precipitation spread out over 7 days, along with a notably high average humidity of 87%.

December Temperature in Garrett

In December in Garrett, the average temperature is 11°C (53°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as -4°C (25°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates December temperature patterns in Garrett, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garrett, December typically has an average temperature of 11°C (53°F), with highs reaching up to 28°C (83°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec485061667582858580695853
Data source: Temperature data for Garrett 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 Garrett

In Garrett in December, the precipitation amount is 70 mm (2.7 in) over a period of 7 days.

December Precipitation Trends in Garrett

The chart displays monthly precipitation patterns in Garrett, 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 Garrett, December typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6710391128179876793941405370
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Garrett

In Garrett in December, humidity is 87%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling as it combines the cool air with a sense of heaviness, leaving you yearning for warmth and dryness.

December Average Humidity in Garrett

This chart illustrates the average monthly humidity levels in Garrett, 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 Garrett is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Garrett

In Garrett 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 Garrett for better planning.

Maximum UV Index Levels in Garrett for December

The chart shows the monthly maximum UV Index (UVI) for Garrett 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 Garrett typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Garrett 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 Garrett Compares to Other Months

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

This table compares monthly weather conditions in Garrett, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)67 mm (2.6 inches)80%moderate
February Weather10°C (50°F)103 mm (4.0 inches)79%high
March Weather16°C (62°F)91 mm (3.6 inches)78%very high
April Weather19°C (66°F)127 mm (5.0 inches)78%very high
May Weather24°C (75°F)179 mm (7.1 inches)81%extreme
June Weather28°C (82°F)87 mm (3.4 inches)78%extreme
July Weather30°C (86°F)67 mm (2.6 inches)73%extreme
August Weather30°C (86°F)93 mm (3.6 inches)66%extreme
September Weather27°C (80°F)94 mm (3.7 inches)65%very high
October Weather20°C (69°F)140 mm (5.5 inches)72%very high
November Weather14°C (58°F)53 mm (2.1 inches)82%high
December Weather11°C (53°F)70 mm (2.7 inches)87%moderate

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