January Weather in Troy, United States

Last updated: June 24, 2025

In Troy, United States, the average temperature in January hovers around -2°C (29°F). While the temperature can dip as low as -26°C (-14°F), it can also peak at a pleasant 17°C (62°F). Expect 44 mm (1.7 in) of precipitation spread over 6 days, accompanied by an average humidity of 76%.

January Temperature in Troy

In January in Troy, the average temperature is -2°C (29°F), with maximums reaching 17°C (62°F) and minimums plunging as low as -26°C (-14°F). This variation in temperature means travelers should be prepared for both mild days and extremely cold nights.

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 -2°C (29°F), with highs reaching up to 17°C (62°F) and lows dropping to around -26°C (-14°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 total precipitation amount is 44 mm (1.7 in) spread over 6 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 44 mm (1.7 inches) of precipitation spread over approximately 6 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 76%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm while exploring.

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 76%, 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 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 Troy, you can check the information here.

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 3, which falls under the moderate 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	-2°C (29°F)	44 mm (1.7 inches)	76%	moderate
February Weather	-1°C (31°F)	33 mm (1.3 inches)	77%	moderate
March Weather	7°C (45°F)	93 mm (3.7 inches)	70%	high
April Weather	12°C (53°F)	82 mm (3.2 inches)	73%	very high
May Weather	18°C (65°F)	183 mm (7.2 inches)	82%	very high
June Weather	25°C (77°F)	126 mm (4.9 inches)	82%	extreme
July Weather	26°C (79°F)	94 mm (3.7 inches)	81%	extreme
August Weather	24°C (76°F)	112 mm (4.4 inches)	78%	very high
September Weather	22°C (71°F)	86 mm (3.4 inches)	71%	very high
October Weather	13°C (56°F)	130 mm (5.1 inches)	71%	high
November Weather	6°C (43°F)	43 mm (1.7 inches)	81%	moderate
December Weather	2°C (36°F)	35 mm (1.4 inches)	84%	moderate