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December Weather in Saint Agatha, United States

Last updated: June 24, 2025

In December, the average temperature in Saint Agatha, United States hovers around -8°C (18°F). Expect chilly conditions, with minimum temperatures dipping as low as -26°C (-14°F), while the maximum can reach a cozy 14°C (57°F). Residents can anticipate approximately 102 mm (4.0 in) of precipitation spread over 11 days, paired with a high average humidity of 90%. Stay warm and dry!

December Temperature in Saint Agatha

In December in Saint Agatha, the average temperature is -8°C (18°F). Maximum temperatures can reach 14°C (57°F), while minimums can be as low as -26°C (-14°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

December Weather in Saint Agatha: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint Agatha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Agatha, December typically has an average temperature of -8°C (18°F), with highs reaching up to 14°C (57°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec131524375060666455443018
Data source: Temperature data for Saint Agatha 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 Saint Agatha

In Saint Agatha in December, the precipitation amount is 102 mm (4.0 in) over the course of 11 days.

December Precipitation Trends in Saint Agatha

The chart displays monthly precipitation patterns in Saint Agatha, 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 Saint Agatha, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec89747711997929384100121119102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint Agatha

In Saint Agatha in December, humidity is 90%. With an average temperature of -8°C (18°F), this humidity feels like an icy fog wrapping around you, making every breath sharp and crisp, and requiring careful planning for travel to avoid the chill while navigating the damp air.

December Average Humidity in Saint Agatha

This chart illustrates the average monthly humidity levels in Saint Agatha, 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 Saint Agatha is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint Agatha

In Saint Agatha in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Saint Agatha, you can visit Hourly UV Index in Saint Agatha.

Maximum UV Index Levels in Saint Agatha for December

The chart shows the monthly maximum UV Index (UVI) for Saint Agatha 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 Saint Agatha typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887432
Data source: Saint Agatha 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 Saint Agatha Compares to Other Months

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

This table compares monthly weather conditions in Saint Agatha, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)89 mm (3.5 inches)93%low
February Weather-9°C (15°F)74 mm (2.9 inches)92%moderate
March Weather-5°C (24°F)77 mm (3.0 inches)90%moderate
April Weather3°C (37°F)119 mm (4.7 inches)87%high
May Weather10°C (51°F)97 mm (3.8 inches)82%very high
June Weather15°C (60°F)92 mm (3.6 inches)77%very high
July Weather19°C (66°F)93 mm (3.7 inches)81%very high
August Weather18°C (65°F)84 mm (3.3 inches)83%very high
September Weather13°C (56°F)100 mm (3.9 inches)85%high
October Weather7°C (45°F)121 mm (4.7 inches)87%moderate
November Weather-1°C (31°F)119 mm (4.7 inches)87%moderate
December Weather-8°C (18°F)102 mm (4.0 inches)90%low

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