December Weather in Troy, United States

Last updated: June 24, 2025

In Troy, United States, the average temperature in December hovers around 0°C (32°F), with a chilled minimum of -20°C (-3°F) and a mild maximum of 15°C (60°F). Expect 96 mm (3.8 in) of precipitation spread over 16 days, contributing to the region's average humidity of 90%. Prepare for a brisk, damp month!

December Temperature in Troy

In December in Troy, the average temperature is 0°C (32°F). The maximum can reach 15°C (60°F), while the minimum can be as low as -20°C (-3°F). Be prepared for chilly weather, and pack layers to stay comfortable during your travels.

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

The chart illustrates December temperature patterns in Troy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Troy, December typically has an average temperature of 0°C (32°F), with highs reaching up to 15°C (60°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec313139465664737261473832
Data source: Temperature data for Troy 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 Troy

In Troy in December, the total precipitation amount is 96 mm (3.8 in) recorded over 16 days.

December Precipitation Trends in Troy

The chart displays monthly precipitation patterns in Troy, 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 Troy, December typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec771177869623341229759296
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Troy

In Troy in December, humidity is 90%. With an average temperature of 0°C (32°F), this humidity feels like an icy grip on your skin, making the air feel heavy and damp, which can turn traveling into a chilling experience where every step is met with a bone-cold embrace.

December Average Humidity in Troy

This chart illustrates the average monthly humidity levels in Troy, 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 Troy is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Troy

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

Maximum UV Index Levels in Troy for December

The chart shows the monthly maximum UV Index (UVI) for Troy 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 Troy typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
Data source: Troy 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 Troy Compares to Other Months

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

This table compares monthly weather conditions in Troy, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)77 mm (3.0 inches)89%low
February Weather0°C (31°F)117 mm (4.6 inches)89%moderate
March Weather4°C (39°F)78 mm (3.1 inches)87%high
April Weather8°C (47°F)69 mm (2.7 inches)84%high
May Weather13°C (56°F)62 mm (2.5 inches)77%very high
June Weather18°C (64°F)33 mm (1.3 inches)78%very high
July Weather23°C (73°F)4 mm (0.2 inches)77%very high
August Weather22°C (72°F)12 mm (0.5 inches)64%very high
September Weather16°C (61°F)29 mm (1.1 inches)62%high
October Weather8°C (47°F)75 mm (2.9 inches)79%moderate
November Weather3°C (38°F)92 mm (3.6 inches)87%moderate
December Weather0°C (32°F)96 mm (3.8 inches)90%low

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