January Weather in Grant City, United States

Last updated: June 24, 2025

In January, the average temperature in Grant City, United States hovers around -4°C (26°F), with a minimum plunge as low as -29°C (-20°F) and a maximum reaching up to 15°C (60°F). Expect 42 mm (1.6 in) of precipitation over about 6 days, accompanied by an average humidity of 78%.

January Temperature in Grant City

In January in Grant City, the average temperature is -4°C (26°F), with maximums reaching up to 15°C (60°F) and minimums dropping as low as -29°C (-20°F). It's essential to pack warm clothing and be prepared for significant temperature fluctuations while traveling during this time.

January Weather in Grant City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Grant City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grant City, January typically has an average temperature of -4°C (26°F), with highs reaching up to 15°C (60°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in Grant City

In Grant City in January, the total precipitation amount is 42 mm (1.6 in) over a span of 6 days.

January Precipitation Trends in Grant City

The chart displays monthly precipitation patterns in Grant City, 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 Grant City, January typically receives around 42 mm (1.6 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 Grant City

In Grant City in January, humidity is 78%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that seeps into your bones, making traveling outdoors uncomfortable and leaving you yearning for warmth.

January Average Humidity in Grant City

This chart illustrates the average monthly humidity levels in Grant City, 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 Grant City is approximately 78%, 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 Grant City

In Grant City 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 Grant City, you can check the information here.

Maximum UV Index Levels in Grant City for January

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

Data source: Grant City 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 Grant City Compares to Other Months

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

This table compares monthly weather conditions in Grant City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	42 mm (1.6 inches)	78%	moderate
February Weather	-2°C (28°F)	33 mm (1.3 inches)	80%	moderate
March Weather	6°C (43°F)	99 mm (3.9 inches)	77%	high
April Weather	11°C (51°F)	78 mm (3.1 inches)	77%	very high
May Weather	18°C (64°F)	173 mm (6.8 inches)	77%	very high
June Weather	24°C (76°F)	137 mm (5.4 inches)	81%	extreme
July Weather	25°C (78°F)	116 mm (4.6 inches)	81%	very high
August Weather	24°C (75°F)	104 mm (4.1 inches)	77%	very high
September Weather	21°C (69°F)	124 mm (4.9 inches)	73%	very high
October Weather	12°C (54°F)	160 mm (6.3 inches)	75%	high
November Weather	5°C (41°F)	45 mm (1.8 inches)	85%	moderate
December Weather	1°C (33°F)	38 mm (1.5 inches)	83%	moderate