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December Weather in Marissa, United States

Last updated: June 24, 2025

In December, the average temperature in Marissa, United States hovers around 5°C (40°F). However, temperatures can dip as low as -16°C (4°F) or reach a pleasant 23°C (74°F). Expect about 75 mm (2.9 in) of precipitation over 7 days, contributing to an average humidity level of 87%.

December Temperature in Marissa

In December in Marissa, the average temperature is 5°C (40°F). The maximum can reach 23°C (74°F), while the minimum can drop as low as -16°C (4°F). This varied climate makes Marissa a unique destination for travelers, offering both mild days and crisp, chilly nights.

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

The chart illustrates December temperature patterns in Marissa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marissa, December typically has an average temperature of 5°C (40°F), with highs reaching up to 23°C (74°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748566877807773604540
Data source: Temperature data for Marissa 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 Marissa

In Marissa in December, the precipitation amount is 75 mm (2.9 in) over a span of 7 days.

December Precipitation Trends in Marissa

The chart displays monthly precipitation patterns in Marissa, 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 Marissa, December typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec85981401411669489115631208275
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Marissa

In Marissa in December, humidity is 87%. With an average temperature of 5°C (40°F), this humidity feels like a damp chill that wraps around you, making outdoor excursions less enjoyable and requiring extra layers to stay comfortable while exploring.

December Average Humidity in Marissa

This chart illustrates the average monthly humidity levels in Marissa, 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 Marissa is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Marissa

In Marissa 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 Marissa, you can check the information here.

Maximum UV Index Levels in Marissa for December

The chart shows the monthly maximum UV Index (UVI) for Marissa 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 Marissa typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110109753
Data source: Marissa 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 Marissa Compares to Other Months

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

This table compares monthly weather conditions in Marissa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)85 mm (3.4 inches)84%moderate
February Weather3°C (37°F)98 mm (3.8 inches)82%moderate
March Weather9°C (48°F)140 mm (5.5 inches)84%high
April Weather13°C (56°F)141 mm (5.5 inches)83%very high
May Weather20°C (68°F)166 mm (6.5 inches)80%extreme
June Weather25°C (78°F)94 mm (3.7 inches)83%extreme
July Weather27°C (80°F)89 mm (3.5 inches)82%very high
August Weather25°C (77°F)115 mm (4.5 inches)82%very high
September Weather23°C (73°F)63 mm (2.5 inches)79%very high
October Weather16°C (60°F)120 mm (4.7 inches)79%high
November Weather7°C (45°F)82 mm (3.2 inches)88%moderate
December Weather5°C (40°F)75 mm (2.9 inches)87%moderate

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