January Weather in Granite Falls, United States

Last updated: June 24, 2025

In January, the average temperature in Granite Falls, United States hovers around -9°C (16°F). However, be prepared for extremes, as temperatures can plummet to a chilling -34°C (-29°F) or rise to a mild 9°C (49°F). Precipitation during this month averages 21 mm (0.8 in) over 5 days, and with an average humidity of 85%, the air feels quite crisp. Bundle up and enjoy the winter wonderland!

January Temperature in Granite Falls

In January in Granite Falls, the average temperature is -9°C (16°F). The maximum can reach 9°C (49°F), and the minimum can be as low as -34°C (-29°F). It is advisable to pack warm clothing and prepare for potentially extreme weather conditions while traveling during this time.

January Weather in Granite Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Granite Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Granite Falls, January typically has an average temperature of -9°C (16°F), with highs reaching up to 9°C (49°F) and lows dropping to around -34°C (-29°F).

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

January Precipitation in Granite Falls

In Granite Falls in January, the precipitation amount is 21 mm (0.8 in) spread over a period of 5 days.

January Precipitation Trends in Granite Falls

The chart displays monthly precipitation patterns in Granite Falls, 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 Granite Falls, January typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 5 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 Granite Falls

In Granite Falls in January humidity is 85%. With an average temperature of -9°C (16°F), this humidity feels like an icy embrace that seeps into your bones, making travel challenging as the cold air clings to your skin, intensifying the chill and making every step a reminder of the frosty conditions.

January Average Humidity in Granite Falls

This chart illustrates the average monthly humidity levels in Granite Falls, 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 Granite Falls is approximately 85%, 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 Granite Falls

In Granite Falls 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 Granite Falls, you can check the information here.

Maximum UV Index Levels in Granite Falls for January

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

Data source: Granite Falls 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 Granite Falls Compares to Other Months

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

This table compares monthly weather conditions in Granite Falls, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	21 mm (0.8 inches)	85%	moderate
February Weather	-9°C (16°F)	23 mm (0.9 inches)	89%	moderate
March Weather	0°C (33°F)	57 mm (2.3 inches)	81%	moderate
April Weather	6°C (43°F)	76 mm (3.0 inches)	82%	high
May Weather	15°C (59°F)	110 mm (4.3 inches)	76%	very high
June Weather	22°C (72°F)	86 mm (3.4 inches)	81%	very high
July Weather	23°C (74°F)	108 mm (4.3 inches)	82%	very high
August Weather	21°C (71°F)	125 mm (4.9 inches)	83%	very high
September Weather	18°C (65°F)	107 mm (4.2 inches)	82%	high
October Weather	9°C (48°F)	93 mm (3.7 inches)	82%	moderate
November Weather	1°C (34°F)	27 mm (1.1 inches)	87%	moderate
December Weather	-5°C (24°F)	39 mm (1.6 inches)	84%	low