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December Weather in Marianne, United States

Last updated: June 24, 2025

In December, the average temperature in Marianne, United States hovers around 1°C (33°F). While you might experience minimums as low as -16°C (3°F), temperatures can also reach a pleasant maximum of 16°C (62°F). Be prepared for 104 mm (4.1 in) of precipitation over 13 days, contributing to a high average humidity of 88%.

December Temperature in Marianne

In December in Marianne, the average temperature is 1°C (33°F), with maximums reaching 16°C (62°F) and minimums dropping as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable.

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

The chart illustrates December temperature patterns in Marianne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marianne, December typically has an average temperature of 1°C (33°F), with highs reaching up to 16°C (62°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec273138485967727064543933
Data source: Temperature data for Marianne 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 Marianne

In Marianne in December, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.

December Precipitation Trends in Marianne

The chart displays monthly precipitation patterns in Marianne, 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 Marianne, December typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec101115108136152143150112126131103104
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Marianne

In Marianne in December humidity is 88%. With an average temperature of 1°C (33°F), this humidity feels like a damp chill wrapping around you, making it difficult to stay warm while traveling, as each breath carries a heavy, cold moisture that clings to your skin.

December Average Humidity in Marianne

This chart illustrates the average monthly humidity levels in Marianne, 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 Marianne is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Marianne

In Marianne 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 Marianne, you can visit Hourly UV Index in Marianne.

Maximum UV Index Levels in Marianne for December

The chart shows the monthly maximum UV Index (UVI) for Marianne 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 Marianne typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Marianne 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 Marianne Compares to Other Months

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

This table compares monthly weather conditions in Marianne, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)101 mm (4.0 inches)89%moderate
February Weather-1°C (31°F)115 mm (4.5 inches)90%moderate
March Weather3°C (38°F)108 mm (4.2 inches)89%high
April Weather9°C (48°F)136 mm (5.3 inches)88%very high
May Weather15°C (60°F)152 mm (6.0 inches)80%very high
June Weather20°C (68°F)143 mm (5.6 inches)79%very high
July Weather22°C (72°F)150 mm (5.9 inches)74%very high
August Weather21°C (70°F)112 mm (4.4 inches)64%very high
September Weather18°C (65°F)126 mm (4.9 inches)67%very high
October Weather12°C (54°F)131 mm (5.2 inches)81%high
November Weather4°C (39°F)103 mm (4.1 inches)89%moderate
December Weather1°C (33°F)104 mm (4.1 inches)88%low

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