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December Weather in Milroy, United States

Last updated: June 24, 2025

In December, the average temperature in Milroy, United States hovers around 3°C (37°F), with a minimum dipping to -19°C (-1°F) and a maximum reaching up to 18°C (65°F). Expect precipitation of approximately 101 mm (4.0 in) over 10 days, alongside an average humidity level of 87%. Prepare for a chilly, damp month!

December Temperature in Milroy

In December in Milroy, the average temperature is 3°C (37°F). The maximum can reach 18°C (65°F), while the minimum can drop as low as -19°C (-1°F). Be prepared for a wide range of temperatures if you're planning to travel during this time!

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

The chart illustrates December temperature patterns in Milroy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milroy, 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 -19°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec313443526473767369584237
Data source: Temperature data for Milroy 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 Milroy

In Milroy in December, the precipitation amount is 101 mm (4.0 in) spread over the course of 10 days.

December Precipitation Trends in Milroy

The chart displays monthly precipitation patterns in Milroy, 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 Milroy, December typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec83107138113133120115858310099101
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Milroy

In Milroy 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 Milroy

This chart illustrates the average monthly humidity levels in Milroy, 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 Milroy 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 Milroy

In Milroy 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 Milroy, you can check the information here.

Maximum UV Index Levels in Milroy for December

The chart shows the monthly maximum UV Index (UVI) for Milroy 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 Milroy typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Milroy 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 Milroy Compares to Other Months

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

This table compares monthly weather conditions in Milroy, 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 (35°F)106 mm (4.2 inches)85%moderate
March Weather6°C (43°F)138 mm (5.4 inches)86%high
April Weather11°C (53°F)113 mm (4.4 inches)84%very high
May Weather18°C (65°F)133 mm (5.2 inches)79%very high
June Weather23°C (73°F)120 mm (4.7 inches)82%extreme
July Weather24°C (76°F)115 mm (4.5 inches)79%very high
August Weather23°C (74°F)85 mm (3.4 inches)70%very high
September Weather21°C (70°F)83 mm (3.3 inches)69%very high
October Weather14°C (58°F)100 mm (3.9 inches)76%high
November Weather6°C (42°F)99 mm (3.9 inches)88%moderate
December Weather3°C (37°F)101 mm (4.0 inches)87%moderate

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