January Weather in Grants, United States

Last updated: June 24, 2025

In January, the average temperature in Grants, United States hovers around -2°C (29°F). Temperatures can vary significantly, with minimums dropping to -22°C (-7°F) and maximums reaching up to 15°C (59°F). Expect about 23 mm (0.9 in) of precipitation spread over 5 days, and a relatively high average humidity of 81%.

January Temperature in Grants

In January in Grants, the average temperature is -2°C (29°F), with maximums reaching up to 15°C (59°F) and minimums dropping as low as -22°C (-7°F). Travelers should be prepared for a wide temperature range and pack accordingly for both cold and milder conditions.

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

The chart illustrates January temperature patterns in Grants, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grants, January typically has an average temperature of -2°C (29°F), with highs reaching up to 15°C (59°F) and lows dropping to around -22°C (-7°F).

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

January Precipitation in Grants

In Grants in January, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

January Precipitation Trends in Grants

The chart displays monthly precipitation patterns in Grants, 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 Grants, January typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 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 Grants

In Grants in January humidity is 81%. With an average temperature of -2°C (29°F), this humidity feels like an uncomfortable chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm while traveling.

January Average Humidity in Grants

This chart illustrates the average monthly humidity levels in Grants, 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 Grants 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 Grants

In Grants in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Grants.

Maximum UV Index Levels in Grants for January

The chart shows the monthly maximum UV Index (UVI) for Grants 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 Grants typically reaches 5, which falls under the moderate exposure category.

Data source: Grants 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 Grants Compares to Other Months

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

This table compares monthly weather conditions in Grants, 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 (29°F)	23 mm (0.9 inches)	81%	moderate
February Weather	0°C (33°F)	22 mm (0.9 inches)	83%	high
March Weather	5°C (42°F)	29 mm (1.2 inches)	71%	very high
April Weather	10°C (50°F)	20 mm (0.8 inches)	61%	extreme
May Weather	15°C (59°F)	18 mm (0.7 inches)	48%	extreme
June Weather	21°C (70°F)	15 mm (0.6 inches)	36%	extreme
July Weather	21°C (71°F)	70 mm (2.8 inches)	37%	extreme
August Weather	20°C (69°F)	36 mm (1.4 inches)	46%	extreme
September Weather	17°C (64°F)	35 mm (1.4 inches)	62%	extreme
October Weather	10°C (51°F)	24 mm (0.9 inches)	74%	very high
November Weather	5°C (41°F)	14 mm (0.5 inches)	82%	high
December Weather	-1°C (31°F)	17 mm (0.7 inches)	82%	moderate