January Weather in Troy, United States

Last updated: June 24, 2025

In January, the average temperature in Troy, United States hovers around 7°C (45°F). You can expect a minimum drop to -11°C (12°F) and a pleasant high of 25°C (78°F). Throughout this month, 98 mm (3.8 in) of precipitation typically falls across 9 days, contributing to an average humidity of 86%. Be prepared for a mix of chilly and warm days!

January Temperature in Troy

In January in Troy, the average temperature is 7°C (45°F). The maximum can reach 25°C (78°F), and the minimum can be as low as -11°C (12°F). Be prepared for a wide range of temperatures if you're planning to travel during this month.

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 7°C (45°F), with highs reaching up to 25°C (78°F) and lows dropping to around -11°C (12°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 98 mm (3.8 in) occurring over the course of 9 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 98 mm (3.8 inches) of precipitation spread over approximately 9 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 86%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.

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 86%, 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 reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Troy for better planning.

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 4, 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	7°C (45°F)	98 mm (3.8 inches)	86%	moderate
February Weather	10°C (50°F)	115 mm (4.5 inches)	85%	high
March Weather	12°C (55°F)	78 mm (3.1 inches)	84%	very high
April Weather	17°C (63°F)	98 mm (3.9 inches)	82%	very high
May Weather	22°C (71°F)	112 mm (4.4 inches)	83%	very high
June Weather	25°C (77°F)	93 mm (3.7 inches)	82%	extreme
July Weather	27°C (81°F)	100 mm (3.9 inches)	80%	extreme
August Weather	26°C (79°F)	117 mm (4.6 inches)	74%	very high
September Weather	24°C (75°F)	149 mm (5.9 inches)	75%	very high
October Weather	19°C (66°F)	77 mm (3.0 inches)	79%	very high
November Weather	11°C (52°F)	84 mm (3.3 inches)	87%	moderate
December Weather	9°C (48°F)	115 mm (4.5 inches)	87%	moderate