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December Weather in Goodwill, United States

Last updated: June 24, 2025

In Goodwill, United States, the average temperature in December hovers around -5°C (23°F), with extreme lows of -27°C (-16°F) and occasional highs reaching 13°C (56°F). Expect about 36 mm (1.4 in) of precipitation over 6 days, contributing to a high average humidity of 84%. Prepare accordingly for chilly and damp conditions!

December Temperature in Goodwill

In December in Goodwill, the average temperature is -5°C (23°F), with maximums reaching 13°C (56°F) and minimums dropping as low as -27°C (-16°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their visit.

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

The chart illustrates December temperature patterns in Goodwill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goodwill, December typically has an average temperature of -5°C (23°F), with highs reaching up to 13°C (56°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec141330405670736962453223
Data source: Temperature data for Goodwill 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 Goodwill

In Goodwill in December, the total precipitation amount is 36 mm (1.4 in), which falls over the course of 6 days.

December Precipitation Trends in Goodwill

The chart displays monthly precipitation patterns in Goodwill, 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 Goodwill, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2117415981828712186792436
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Goodwill

In Goodwill in December, humidity is 84%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket wrapping around you, making the cold air bite even deeper and turning travel into a brisk, challenging adventure where each breath comes with a frosty reminder of the chill.

December Average Humidity in Goodwill

This chart illustrates the average monthly humidity levels in Goodwill, 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 Goodwill is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Goodwill

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

Maximum UV Index Levels in Goodwill for December

The chart shows the monthly maximum UV Index (UVI) for Goodwill 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 Goodwill typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3567910997532
Data source: Goodwill 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 Goodwill Compares to Other Months

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

This table compares monthly weather conditions in Goodwill, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)21 mm (0.8 inches)85%moderate
February Weather-11°C (13°F)17 mm (0.7 inches)89%moderate
March Weather-1°C (30°F)41 mm (1.6 inches)81%high
April Weather4°C (40°F)59 mm (2.3 inches)82%high
May Weather13°C (56°F)81 mm (3.2 inches)76%very high
June Weather21°C (70°F)82 mm (3.2 inches)81%very high
July Weather23°C (73°F)87 mm (3.4 inches)82%very high
August Weather21°C (69°F)121 mm (4.7 inches)83%very high
September Weather17°C (62°F)86 mm (3.4 inches)82%high
October Weather7°C (46°F)79 mm (3.1 inches)82%moderate
November Weather0°C (32°F)24 mm (0.9 inches)87%moderate
December Weather-5°C (23°F)36 mm (1.4 inches)84%low

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