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December Weather in Homer, United States

Last updated: June 24, 2025

In December, the average temperature in Homer, United States hovers around -1°C (30°F). However, be prepared for a wide range, with minimums dipping to -19°C (-2°F) and maximums rising to 17°C (62°F). Residents can expect 108 mm (4.3 in) of precipitation spread over 18 days, contributing to an average humidity of 86%—making it a chillier and wetter month overall.

December Temperature in Homer

In December in Homer, the average temperature is -1°C (30°F), with maximums reaching 17°C (62°F) and minimums plunging as low as -19°C (-2°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Homer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Homer, December typically has an average temperature of -1°C (30°F), with highs reaching up to 17°C (62°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733455766716962523730
Data source: Temperature data for Homer 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 Homer

In Homer in December, the precipitation amount is 108 mm (4.3 in) spread over the course of 18 days.

December Precipitation Trends in Homer

The chart displays monthly precipitation patterns in Homer, 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 Homer, December typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec961009412713410717512799163109108
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Homer

In Homer in December, humidity is 86%. With an average temperature of -1°C (30°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel much colder and more uncomfortable than the temperature suggests.

December Average Humidity in Homer

This chart illustrates the average monthly humidity levels in Homer, 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 Homer is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Homer

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

Maximum UV Index Levels in Homer for December

The chart shows the monthly maximum UV Index (UVI) for Homer 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 Homer typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34681010998642
Data source: Homer 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 Homer Compares to Other Months

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

This table compares monthly weather conditions in Homer, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)96 mm (3.8 inches)90%moderate
February Weather-3°C (27°F)100 mm (3.9 inches)90%moderate
March Weather1°C (33°F)94 mm (3.7 inches)87%high
April Weather7°C (45°F)127 mm (5.0 inches)88%very high
May Weather14°C (57°F)134 mm (5.3 inches)82%very high
June Weather19°C (66°F)107 mm (4.2 inches)79%very high
July Weather22°C (71°F)175 mm (6.9 inches)78%very high
August Weather21°C (69°F)126 mm (5.0 inches)76%very high
September Weather17°C (63°F)99 mm (3.9 inches)78%very high
October Weather11°C (53°F)163 mm (6.4 inches)84%high
November Weather3°C (38°F)109 mm (4.3 inches)89%moderate
December Weather-1°C (30°F)108 mm (4.3 inches)86%low

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