January Weather in Gray, United States

Last updated: June 24, 2025

In January, the average temperature in Gray, United States hovers around 9°C (49°F), making it a season of notable contrasts. Expect chilly nights with minimums dropping to -7°C (20°F), while daytime can reach a cozy 27°C (80°F). During this month, anticipate about 107 mm (4.2 in) of precipitation spread across 8 days, along with a high average humidity of 86%, which adds to the atmospheric experience.

January Temperature in Gray

In January in Gray, the average temperature is 9°C (49°F). The maximum can reach 27°C (80°F), while the minimum can drop as low as -7°C (20°F). It's advisable to pack layers and prepare for significant temperature fluctuations when traveling to Gray during this time.

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

The chart illustrates January temperature patterns in Gray, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gray, January typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (80°F) and lows dropping to around -7°C (20°F).

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

January Precipitation in Gray

In Gray in January, the total precipitation amount is 107 mm (4.2 in), occurring over a span of 8 days.

January Precipitation Trends in Gray

The chart displays monthly precipitation patterns in Gray, 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 Gray, January typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 8 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 Gray

In Gray in January, humidity is 86%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill in the air, making travel uncomfortable as the moisture clings to your skin and thickens the atmosphere, creating a sense of heaviness that can tire you quickly.

January Average Humidity in Gray

This chart illustrates the average monthly humidity levels in Gray, 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 Gray is approximately 86%, 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 Gray

In Gray in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Gray for better planning.

Maximum UV Index Levels in Gray for January

The chart shows the monthly maximum UV Index (UVI) for Gray 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 Gray typically reaches 4, which falls under the moderate exposure category.

Data source: Gray 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 Gray Compares to Other Months

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

This table compares monthly weather conditions in Gray, 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 (49°F)	107 mm (4.2 inches)	86%	moderate
February Weather	12°C (55°F)	128 mm (5.1 inches)	84%	high
March Weather	15°C (59°F)	81 mm (3.2 inches)	83%	very high
April Weather	18°C (65°F)	102 mm (4.0 inches)	81%	very high
May Weather	23°C (74°F)	92 mm (3.6 inches)	81%	extreme
June Weather	26°C (79°F)	122 mm (4.8 inches)	81%	extreme
July Weather	27°C (82°F)	100 mm (3.9 inches)	83%	extreme
August Weather	27°C (81°F)	112 mm (4.4 inches)	81%	very high
September Weather	25°C (78°F)	100 mm (4.0 inches)	82%	very high
October Weather	21°C (69°F)	103 mm (4.0 inches)	78%	very high
November Weather	13°C (56°F)	80 mm (3.1 inches)	86%	high
December Weather	11°C (51°F)	121 mm (4.8 inches)	89%	moderate