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December Weather in Seelyville, United States

Last updated: June 24, 2025

In December, the average temperature in Seelyville, United States hovers around 3°C (37°F), with a minimum drop to -18°C (-1°F) and a maximum rise to 18°C (65°F). Expect about 85 mm (3.4 in) of precipitation spread over 10 days, accompanied by high humidity levels averaging 87%. Prepare for a chilly and damp month ahead!

December Temperature in Seelyville

In December in Seelyville, the average temperature is 3°C (37°F). Maximums can reach 18°C (65°F), and minimums can be as low as -18°C (-1°F). Be prepared for a wide range of temperatures and dress accordingly when traveling to Seelyville during this month.

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

The chart illustrates December temperature patterns in Seelyville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seelyville, December typically has an average temperature of 3°C (37°F), with highs reaching up to 18°C (65°F) and lows dropping to around -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec313444536675787571584237
Data source: Temperature data for Seelyville 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 Seelyville

In Seelyville in December, the precipitation amount is 85 mm (3.4 in) over the course of 10 days.

December Precipitation Trends in Seelyville

The chart displays monthly precipitation patterns in Seelyville, 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 Seelyville, December typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8396128107133108103102651139685
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Seelyville

In Seelyville in December, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.

December Average Humidity in Seelyville

This chart illustrates the average monthly humidity levels in Seelyville, 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 Seelyville is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Seelyville

In Seelyville 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 Seelyville, you can check the information here.

Maximum UV Index Levels in Seelyville for December

The chart shows the monthly maximum UV Index (UVI) for Seelyville 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 Seelyville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Seelyville 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 Seelyville Compares to Other Months

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

This table compares monthly weather conditions in Seelyville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)83 mm (3.3 inches)87%moderate
February Weather1°C (34°F)96 mm (3.8 inches)85%moderate
March Weather7°C (44°F)128 mm (5.0 inches)86%high
April Weather12°C (54°F)107 mm (4.2 inches)84%very high
May Weather19°C (66°F)133 mm (5.2 inches)79%very high
June Weather24°C (75°F)108 mm (4.3 inches)82%extreme
July Weather25°C (78°F)103 mm (4.0 inches)79%very high
August Weather24°C (75°F)102 mm (4.0 inches)70%very high
September Weather22°C (71°F)65 mm (2.5 inches)69%very high
October Weather15°C (59°F)113 mm (4.5 inches)76%high
November Weather6°C (43°F)96 mm (3.8 inches)88%moderate
December Weather3°C (37°F)85 mm (3.4 inches)87%moderate

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