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December Weather in Miller, United States

Last updated: June 24, 2025

In Miller, United States, the average temperature in December hovers around 5°C (42°F). Expect chills with minimums dipping to -13°C (9°F), while some days may reach a pleasant maximum of 24°C (76°F). During this period, you can anticipate 49 mm (1.9 in) of precipitation over 6 days, contributing to a notably high average humidity of 87%. Be prepared for wet and chilly weather!

December Temperature in Miller

In December in Miller, the average temperature is 5°C (42°F). Maximums can reach 24°C (76°F) and minimums can be as low as -13°C (9°F). Be prepared for a wide range of temperatures, and pack accordingly to enjoy your travels!

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

The chart illustrates December temperature patterns in Miller, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miller, December typically has an average temperature of 5°C (42°F), with highs reaching up to 24°C (76°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec353849566676797773594641
Data source: Temperature data for Miller 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 Miller

In Miller in December, the precipitation amount is 49 mm (1.9 in) over the course of 6 days.

December Precipitation Trends in Miller

The chart displays monthly precipitation patterns in Miller, 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 Miller, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec82771441471799088130631426549
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Miller

In Miller in December humidity is 87%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel less inviting as the air becomes heavy and oppressive.

December Average Humidity in Miller

This chart illustrates the average monthly humidity levels in Miller, 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 Miller is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Miller

In Miller 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 Miller, you can check the information here.

Maximum UV Index Levels in Miller for December

The chart shows the monthly maximum UV Index (UVI) for Miller 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 Miller typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Miller 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 Miller Compares to Other Months

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

This table compares monthly weather conditions in Miller, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)82 mm (3.2 inches)81%moderate
February Weather3°C (38°F)77 mm (3.0 inches)78%high
March Weather10°C (50°F)144 mm (5.7 inches)76%high
April Weather13°C (56°F)147 mm (5.8 inches)78%very high
May Weather19°C (67°F)179 mm (7.0 inches)83%very high
June Weather25°C (76°F)90 mm (3.5 inches)83%extreme
July Weather26°C (80°F)88 mm (3.5 inches)78%extreme
August Weather25°C (77°F)130 mm (5.1 inches)68%very high
September Weather23°C (73°F)63 mm (2.5 inches)64%very high
October Weather15°C (59°F)142 mm (5.6 inches)70%high
November Weather8°C (47°F)64 mm (2.5 inches)83%moderate
December Weather5°C (42°F)49 mm (1.9 inches)87%moderate

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