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December Weather in Manns Harbor, United States

Last updated: June 24, 2025

In December, the average temperature in Manns Harbor, United States hovers around 10°C (51°F), with a minimum of 0°C (32°F) and a maximum reaching up to 20°C (67°F). Expect about 145 mm (5.7 in) of precipitation spread over 10 days, resulting in an average humidity of 84%. Prepare for a humid month with a mix of chilly and warm days!

December Temperature in Manns Harbor

In December in Manns Harbor, the average temperature is 10°C (51°F). Maximums can reach 20°C (67°F) and minimums can be as low as 0°C (32°F). This makes it a great time for travelers to enjoy outdoor activities while dressing in layers to accommodate the varying temperatures.

December Weather in Manns Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Manns Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manns Harbor, December typically has an average temperature of 10°C (51°F), with highs reaching up to 20°C (67°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec464850596775807976695751
Data source: Temperature data for Manns Harbor 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 Manns Harbor

In Manns Harbor in December, the precipitation amount is 145 mm (5.7 in) spread over a duration of 10 days.

December Precipitation Trends in Manns Harbor

The chart displays monthly precipitation patterns in Manns Harbor, 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 Manns Harbor, December typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec108131809610889109141109102114145
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Manns Harbor

In Manns Harbor in December humidity is 84%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making even short distances feel burdensome and leaving you longing for a cozy indoor refuge while exploring the area.

December Average Humidity in Manns Harbor

This chart illustrates the average monthly humidity levels in Manns Harbor, 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 Manns Harbor is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Manns Harbor

In Manns Harbor 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 Manns Harbor, you can check the information here.

Maximum UV Index Levels in Manns Harbor for December

The chart shows the monthly maximum UV Index (UVI) for Manns Harbor 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 Manns Harbor typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111011109853
Data source: Manns Harbor 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 Manns Harbor Compares to Other Months

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

This table compares monthly weather conditions in Manns Harbor, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)108 mm (4.2 inches)84%moderate
February Weather9°C (48°F)131 mm (5.2 inches)81%high
March Weather10°C (51°F)80 mm (3.2 inches)80%very high
April Weather15°C (59°F)96 mm (3.8 inches)80%very high
May Weather20°C (68°F)108 mm (4.3 inches)81%extreme
June Weather24°C (75°F)89 mm (3.5 inches)82%very high
July Weather26°C (80°F)109 mm (4.3 inches)83%extreme
August Weather26°C (79°F)140 mm (5.5 inches)82%very high
September Weather24°C (76°F)109 mm (4.3 inches)80%very high
October Weather21°C (69°F)102 mm (4.0 inches)79%very high
November Weather14°C (58°F)114 mm (4.5 inches)83%moderate
December Weather10°C (51°F)145 mm (5.7 inches)84%moderate

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