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December Weather in Grace, United States

Last updated: June 24, 2025

In Grace, United States, the average temperature in December hovers around -6°C (22°F), with temperatures potentially dropping to a chilly -24°C (-11°F) and peaking at a mild 10°C (51°F). This month experiences an average precipitation of 57 mm (2.2 in) spread across 12 days and boasts a high average humidity of 91%, creating a crisp and damp atmosphere.

December Temperature in Grace

In December in Grace, the average temperature is -6°C (22°F). The maximum can reach 10°C (51°F), while the minimum can drop as low as -24°C (-11°F). Travelers should be prepared for cold weather and dress warmly to fully enjoy their visit.

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

The chart illustrates December temperature patterns in Grace, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grace, December typically has an average temperature of -6°C (22°F), with highs reaching up to 10°C (51°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec222433394961706858423122
Data source: Temperature data for Grace 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 Grace

In Grace in December, the precipitation amount is 57 mm (2.2 in) over a span of 12 days.

December Precipitation Trends in Grace

The chart displays monthly precipitation patterns in Grace, 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 Grace, December typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec628249716629132234455157
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grace

In Grace in December humidity is 91%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel challenging as the air feels dense and heavy, potentially making it more difficult to breathe and leaving a frosty mist on your skin.

December Average Humidity in Grace

This chart illustrates the average monthly humidity levels in Grace, 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 Grace is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%81%71%64%59%49%52%69%86%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grace

In Grace 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 Grace, you can check the information here.

Maximum UV Index Levels in Grace for December

The chart shows the monthly maximum UV Index (UVI) for Grace 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 Grace typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35810111211109643
Data source: Grace 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 Grace Compares to Other Months

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

This table compares monthly weather conditions in Grace, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)62 mm (2.4 inches)95%moderate
February Weather-4°C (24°F)82 mm (3.2 inches)95%moderate
March Weather0°C (33°F)49 mm (1.9 inches)90%very high
April Weather4°C (39°F)71 mm (2.8 inches)81%very high
May Weather9°C (49°F)65 mm (2.6 inches)71%extreme
June Weather16°C (61°F)29 mm (1.1 inches)64%extreme
July Weather21°C (70°F)13 mm (0.5 inches)59%extreme
August Weather20°C (68°F)22 mm (0.9 inches)49%very high
September Weather14°C (58°F)34 mm (1.3 inches)52%very high
October Weather5°C (42°F)45 mm (1.8 inches)69%high
November Weather0°C (32°F)51 mm (2.0 inches)86%moderate
December Weather-6°C (22°F)57 mm (2.2 inches)91%moderate

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