January Weather in Troy, United States

Last updated: June 24, 2025

In January, the average temperature in Troy, United States hovers around -1°C (31°F), with potential lows plummeting to -19°C (-2°F) and highs reaching a mild 10°C (50°F). This month brings 77 mm (3.0 in) of precipitation spread over 13 days, contributing to the region's notably high average humidity of 89%.

January Temperature in Troy

In January in Troy, the average temperature is -1°C (31°F), with a maximum that can reach 10°C (50°F) and a minimum that can drop as low as -19°C (-2°F). It's advisable to pack warm clothing and be prepared for chilly conditions while exploring the area.

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 -1°C (31°F), with highs reaching up to 10°C (50°F) and lows dropping to around -19°C (-2°F).

Data source: Temperature data for Troy generated using information from the Copernicus Climate Change Service.

January Precipitation in Troy

In Troy in January, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 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 77 mm (3.0 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Troy

In Troy in January humidity is 89%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and urging you to seek warmth indoors.

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 89%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	77 mm (3.0 inches)	89%	low
February Weather	0°C (31°F)	117 mm (4.6 inches)	89%	moderate
March Weather	4°C (39°F)	78 mm (3.1 inches)	87%	high
April Weather	8°C (47°F)	69 mm (2.7 inches)	84%	high
May Weather	13°C (56°F)	62 mm (2.5 inches)	77%	very high
June Weather	18°C (64°F)	33 mm (1.3 inches)	78%	very high
July Weather	23°C (73°F)	4 mm (0.2 inches)	77%	very high
August Weather	22°C (72°F)	12 mm (0.5 inches)	64%	very high
September Weather	16°C (61°F)	29 mm (1.1 inches)	62%	high
October Weather	8°C (47°F)	75 mm (2.9 inches)	79%	moderate
November Weather	3°C (38°F)	92 mm (3.6 inches)	87%	moderate
December Weather	0°C (32°F)	96 mm (3.8 inches)	90%	low