January Weather in Hartman, United States

Last updated: June 24, 2025

In January, the average temperature in Hartman, United States hovers around 4°C (40°F). You'll experience a range with minimums dropping to -16°C (4°F) and maximums soaring to 21°C (71°F). Be prepared for approximately 100 mm (3.9 in) of precipitation over about 10 days, accompanied by a high average humidity of 82%.

January Temperature in Hartman

In January in Hartman, the average temperature is 4°C (40°F), with maximums reaching 21°C (71°F) and minimums plummeting to -16°C (4°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable.

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

The chart illustrates January temperature patterns in Hartman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartman, January typically has an average temperature of 4°C (40°F), with highs reaching up to 21°C (71°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Hartman

In Hartman in January, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.

January Precipitation Trends in Hartman

The chart displays monthly precipitation patterns in Hartman, 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 Hartman, January typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 10 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 Hartman

In Hartman in January, humidity is 82%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that lingers in the air, making travel slightly uncomfortable as the cold penetrates through layers of clothing, often leaving you feeling chilled and clammy.

January Average Humidity in Hartman

This chart illustrates the average monthly humidity levels in Hartman, 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 Hartman is approximately 82%, 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 Hartman

In Hartman 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 Hartman for better planning.

Maximum UV Index Levels in Hartman for January

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

Data source: Hartman 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 Hartman Compares to Other Months

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

This table compares monthly weather conditions in Hartman, 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)	100 mm (3.9 inches)	82%	moderate
February Weather	6°C (43°F)	139 mm (5.5 inches)	79%	high
March Weather	11°C (53°F)	159 mm (6.3 inches)	77%	very high
April Weather	15°C (58°F)	161 mm (6.3 inches)	78%	very high
May Weather	20°C (68°F)	217 mm (8.5 inches)	82%	extreme
June Weather	25°C (76°F)	112 mm (4.4 inches)	81%	extreme
July Weather	27°C (80°F)	80 mm (3.2 inches)	75%	extreme
August Weather	26°C (78°F)	124 mm (4.9 inches)	61%	very high
September Weather	24°C (75°F)	69 mm (2.7 inches)	59%	very high
October Weather	16°C (62°F)	113 mm (4.5 inches)	69%	high
November Weather	9°C (49°F)	96 mm (3.8 inches)	82%	moderate
December Weather	7°C (45°F)	108 mm (4.2 inches)	87%	moderate