January Weather in McGraw, United States

Last updated: June 24, 2025

In January, the average temperature in McGraw, United States hovers around -5°C (24°F), though it can drop as low as -29°C (-20°F) and rise to a maximum of 17°C (63°F). Visitors should prepare for precipitation totaling 89 mm (3.5 in) over about 13 days, accompanied by a notably high average humidity of 90%.

January Temperature in McGraw

In January in McGraw, the average temperature is -5°C (24°F), with maximums reaching 17°C (63°F) and minimums dipping as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and milder days.

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

The chart illustrates January temperature patterns in McGraw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McGraw, January typically has an average temperature of -5°C (24°F), with highs reaching up to 17°C (63°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in McGraw

In McGraw in January, the precipitation amount is 89 mm (3.5 in) distributed over 13 days.

January Precipitation Trends in McGraw

The chart displays monthly precipitation patterns in McGraw, 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 McGraw, January typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 13 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 McGraw

In McGraw in January, humidity is 90%. With an average temperature of -5°C (24°F), this humidity feels like an icy mist wrapping around you, making every breath feel heavy and damp, while the cold sharpens the chill in the air, turning your travel experience into a battle against the harsh elements.

January Average Humidity in McGraw

This chart illustrates the average monthly humidity levels in McGraw, 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 McGraw is approximately 90%, 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 McGraw

In McGraw 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 McGraw, you can check the information here.

Maximum UV Index Levels in McGraw for January

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

Data source: McGraw 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 McGraw Compares to Other Months

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

This table compares monthly weather conditions in McGraw, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	89 mm (3.5 inches)	90%	moderate
February Weather	-3°C (27°F)	97 mm (3.8 inches)	90%	moderate
March Weather	1°C (33°F)	91 mm (3.6 inches)	87%	high
April Weather	7°C (45°F)	123 mm (4.9 inches)	88%	very high
May Weather	14°C (57°F)	137 mm (5.4 inches)	82%	very high
June Weather	18°C (66°F)	107 mm (4.2 inches)	79%	very high
July Weather	21°C (71°F)	159 mm (6.3 inches)	78%	very high
August Weather	20°C (69°F)	120 mm (4.7 inches)	76%	very high
September Weather	17°C (62°F)	100 mm (3.9 inches)	78%	very high
October Weather	11°C (52°F)	154 mm (6.1 inches)	84%	high
November Weather	3°C (37°F)	103 mm (4.0 inches)	89%	moderate
December Weather	-1°C (30°F)	102 mm (4.0 inches)	86%	low