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January Weather in Troy, United States

Last updated: June 24, 2025

In January, the average temperature in Troy, United States hovers around -5°C (24°F). Expect to experience a chilly range where minimums can plunge to -27°C (-16°F) and maximums may reach up to 5°C (42°F). This month also brings 108 mm (4.2 in) of precipitation over approximately 14 days, contributing to a high average humidity of 95%. Prepare for a crisp and wet climate!

January Temperature in Troy

In January in Troy, the average temperature is -5°C (24°F). Maximum temperatures can reach 5°C (42°F), while minimums can dip as low as -27°C (-16°F). Be prepared for frigid conditions and pack accordingly for your travels.

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

The chart illustrates January 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, January typically has an average temperature of -5°C (24°F), with highs reaching up to 5°C (42°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec242132395259686755413326
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.

January Precipitation in Troy

In Troy in January, the total precipitation amount is 108 mm (4.2 in) spread over 14 days.

January Precipitation Trends in Troy

The chart displays monthly precipitation patterns in Troy, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Troy, January typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec10812390887349132450109132143
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Troy

In Troy in January humidity is 95%. With an average temperature of -5°C (24°F), this humidity feels like walking through a dense fog that clings to your skin, making every step you take in the chilly air feel even colder and more uncomfortable, creating a challenge for travelers who may not be prepared for such extreme dampness.

January Average Humidity in Troy

This chart illustrates the average monthly humidity levels in Troy, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Troy is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%88%83%80%82%71%71%85%90%96%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Troy

In Troy in January, 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 January

The chart shows the monthly maximum UV Index (UVI) for Troy in January, 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 January, the maximum UV index in Troy typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236799997532
Data source: Troy January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)108 mm (4.2 inches)95%low
February Weather-6°C (21°F)123 mm (4.8 inches)93%moderate
March Weather0°C (32°F)90 mm (3.5 inches)91%high
April Weather4°C (40°F)88 mm (3.5 inches)88%high
May Weather11°C (52°F)73 mm (2.9 inches)83%very high
June Weather15°C (59°F)49 mm (1.9 inches)80%very high
July Weather20°C (68°F)13 mm (0.5 inches)82%very high
August Weather19°C (67°F)24 mm (1.0 inches)71%very high
September Weather13°C (56°F)50 mm (2.0 inches)71%high
October Weather5°C (42°F)109 mm (4.3 inches)85%moderate
November Weather0°C (33°F)132 mm (5.2 inches)90%moderate
December Weather-3°C (27°F)143 mm (5.6 inches)96%low

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