January Weather in Frontenac, United States

Last updated: June 24, 2025

In January, the average temperature in Frontenac, United States is a chilly 2°C (36°F). Expect a wide temperature range with minimums plummeting to -19°C (-2°F) and peaks reaching up to 20°C (69°F). This month sees an average precipitation of 66 mm (2.6 in) spread over 7 days, while the average humidity lingers at a damp 81%.

January Temperature in Frontenac

In January in Frontenac, the average temperature is 2°C (36°F). Maximums can reach 20°C (68°F), while minimums can drop as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates January temperature patterns in Frontenac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frontenac, January typically has an average temperature of 2°C (36°F), with highs reaching up to 20°C (69°F) and lows dropping to around -19°C (-2°F).

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

January Precipitation in Frontenac

In Frontenac in January, the precipitation amount is 66 mm (2.6 in) over a period of 7 days.

January Precipitation Trends in Frontenac

The chart displays monthly precipitation patterns in Frontenac, 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 Frontenac, January typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 7 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 Frontenac

In Frontenac in January humidity is 81%. With an average temperature of 2°C (36°F), this humidity feels like a chilly dampness that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm and dry.

January Average Humidity in Frontenac

This chart illustrates the average monthly humidity levels in Frontenac, 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 Frontenac is approximately 81%, 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 Frontenac

In Frontenac 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 Frontenac, you can check the information here.

Maximum UV Index Levels in Frontenac for January

The chart shows the monthly maximum UV Index (UVI) for Frontenac 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 Frontenac typically reaches 3, which falls under the moderate exposure category.

Data source: Frontenac 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 Frontenac Compares to Other Months

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

This table compares monthly weather conditions in Frontenac, 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 (36°F)	66 mm (2.6 inches)	81%	moderate
February Weather	3°C (38°F)	62 mm (2.4 inches)	78%	moderate
March Weather	10°C (50°F)	126 mm (5.0 inches)	76%	high
April Weather	14°C (57°F)	129 mm (5.1 inches)	78%	very high
May Weather	20°C (68°F)	199 mm (7.8 inches)	83%	very high
June Weather	25°C (78°F)	100 mm (4.0 inches)	83%	extreme
July Weather	27°C (81°F)	103 mm (4.0 inches)	78%	extreme
August Weather	26°C (79°F)	121 mm (4.8 inches)	68%	very high
September Weather	23°C (74°F)	90 mm (3.5 inches)	64%	very high
October Weather	15°C (60°F)	119 mm (4.7 inches)	70%	high
November Weather	8°C (47°F)	51 mm (2.0 inches)	83%	moderate
December Weather	5°C (42°F)	38 mm (1.5 inches)	87%	moderate