January Weather in Black Rock, United States

Last updated: June 24, 2025

In January, the average temperature in Black Rock, United States hovers around 4°C (40°F). However, don't let that fool you; temperatures can dip as low as -15°C (5°F) or rise as high as 22°C (72°F). With an average precipitation of 93 mm (3.7 in) over the course of 9 days, you'll want to be prepared for some wet weather. Plus, the average humidity is a brisk 84%, adding to the overall chill of the season.

January Temperature in Black Rock

In January in Black Rock, the average temperature is 4°C (40°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -15°C (5°F). Be prepared for a wide range of temperatures whether you're planning outdoor adventures or cozy indoor activities.

January Weather in Black Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Black Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Black Rock, January typically has an average temperature of 4°C (40°F), with highs reaching up to 22°C (72°F) and lows dropping to around -15°C (5°F).

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

January Precipitation in Black Rock

In Black Rock in January, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

January Precipitation Trends in Black Rock

The chart displays monthly precipitation patterns in Black Rock, 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 Black Rock, January typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 9 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 Black Rock

In Black Rock in January, humidity is 84%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

January Average Humidity in Black Rock

This chart illustrates the average monthly humidity levels in Black Rock, 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 Black Rock is approximately 84%, 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 Black Rock

In Black Rock 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 Black Rock, you can check the information here.

Maximum UV Index Levels in Black Rock for January

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

Data source: Black Rock 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 Black Rock Compares to Other Months

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

This table compares monthly weather conditions in Black Rock, 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 (40°F)	93 mm (3.7 inches)	84%	moderate
February Weather	6°C (43°F)	149 mm (5.9 inches)	83%	high
March Weather	12°C (53°F)	146 mm (5.8 inches)	81%	very high
April Weather	15°C (59°F)	167 mm (6.6 inches)	81%	very high
May Weather	21°C (70°F)	153 mm (6.0 inches)	83%	very high
June Weather	25°C (78°F)	93 mm (3.7 inches)	83%	extreme
July Weather	28°C (82°F)	97 mm (3.8 inches)	81%	extreme
August Weather	26°C (79°F)	113 mm (4.4 inches)	74%	very high
September Weather	24°C (75°F)	78 mm (3.1 inches)	71%	very high
October Weather	17°C (63°F)	115 mm (4.5 inches)	76%	high
November Weather	9°C (49°F)	87 mm (3.4 inches)	84%	moderate
December Weather	7°C (45°F)	105 mm (4.1 inches)	88%	moderate