January Weather in Port Sanilac, United States

Last updated: June 24, 2025

In January, the average temperature in Port Sanilac, United States hovers around -2°C (28°F), with a minimum dipping to -20°C (-3°F) and a peak reaching 7°C (45°F). Expect 88 mm (3.5 in) of precipitation over approximately 12 days, creating a cozy yet damp atmosphere. With an average humidity of 88%, it's the perfect time to bundle up and enjoy the winter charm!

January Temperature in Port Sanilac

In January in Port Sanilac, the average temperature is -2°C (28°F), with maximums reaching 7°C (45°F) and minimums plunging as low as -20°C (-3°F). It's advisable to bundle up and prepare for cold weather if you're planning to travel during this time.

January Weather in Port Sanilac: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Port Sanilac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Sanilac, January typically has an average temperature of -2°C (28°F), with highs reaching up to 7°C (45°F) and lows dropping to around -20°C (-3°F).

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

January Precipitation in Port Sanilac

In Port Sanilac in January, the precipitation amount is 88 mm (3.5 in) over a span of 12 days.

January Precipitation Trends in Port Sanilac

The chart displays monthly precipitation patterns in Port Sanilac, 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 Port Sanilac, January typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Port Sanilac

In Port Sanilac in January humidity is 88%. With an average temperature of -2°C (28°F), this humidity feels like an icy cling to your skin, making every breath feel brisk and sharp, while the dampness cuts through layers of clothing, leaving travelers yearning for warmth and comfort.

January Average Humidity in Port Sanilac

This chart illustrates the average monthly humidity levels in Port Sanilac, 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 Port Sanilac is approximately 88%, 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 Port Sanilac

In Port Sanilac 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 Port Sanilac, you can visit Hourly UV Index in Port Sanilac.

Maximum UV Index Levels in Port Sanilac for January

The chart shows the monthly maximum UV Index (UVI) for Port Sanilac 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 Port Sanilac typically reaches 2, which falls under the low exposure category.

Data source: Port Sanilac 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 Port Sanilac Compares to Other Months

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

This table compares monthly weather conditions in Port Sanilac, 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 (28°F)	88 mm (3.5 inches)	88%	low
February Weather	-3°C (27°F)	87 mm (3.4 inches)	87%	moderate
March Weather	0°C (32°F)	79 mm (3.1 inches)	85%	moderate
April Weather	3°C (38°F)	113 mm (4.4 inches)	86%	very high
May Weather	7°C (45°F)	100 mm (3.9 inches)	80%	very high
June Weather	14°C (58°F)	77 mm (3.0 inches)	80%	very high
July Weather	20°C (68°F)	71 mm (2.8 inches)	80%	very high
August Weather	21°C (70°F)	82 mm (3.2 inches)	80%	very high
September Weather	18°C (65°F)	89 mm (3.5 inches)	80%	high
October Weather	12°C (55°F)	136 mm (5.3 inches)	84%	moderate
November Weather	5°C (41°F)	99 mm (3.9 inches)	89%	moderate
December Weather	1°C (34°F)	79 mm (3.1 inches)	86%	low