January Weather in Harlowton, United States

Last updated: June 24, 2025

In January, the average temperature in Harlowton, United States hovers around -4°C (24°F). While it can plunge to a chilling -33°C (-27°F), temperatures may also rise to a maximum of 10°C (51°F). Expect 19 mm (0.8 in) of precipitation spread over 6 days, accompanied by an average humidity of 81%. Stay prepared for the cold and damp conditions!

January Temperature in Harlowton

In January in Harlowton, the average temperature is -4°C (24°F). The maximum can reach 10°C (51°F), while the minimum can drop as low as -33°C (-27°F). Travelers should be prepared for extremely cold conditions and bring appropriate winter gear.

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

The chart illustrates January temperature patterns in Harlowton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harlowton, January typically has an average temperature of -4°C (24°F), with highs reaching up to 10°C (51°F) and lows dropping to around -33°C (-27°F).

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

January Precipitation in Harlowton

In Harlowton in January, the total precipitation amount recorded is 19 mm (0.8 in) over the course of 6 days.

January Precipitation Trends in Harlowton

The chart displays monthly precipitation patterns in Harlowton, 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 Harlowton, January typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 6 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 Harlowton

In Harlowton in January humidity is 81%. With an average temperature of -4°C (24°F), this humidity feels like an icy blanket wrapped around you, making travel challenging as the damp air bites at your skin and seeps into your clothes, leaving you feeling colder than the thermometer suggests.

January Average Humidity in Harlowton

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

In Harlowton in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Harlowton, you can visit Hourly UV Index in Harlowton.

Maximum UV Index Levels in Harlowton for January

The chart shows the monthly maximum UV Index (UVI) for Harlowton 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 Harlowton typically reaches 2, which falls under the low exposure category.

Data source: Harlowton 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 Harlowton Compares to Other Months

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

This table compares monthly weather conditions in Harlowton, 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 (24°F)	19 mm (0.8 inches)	81%	low
February Weather	-8°C (19°F)	41 mm (1.6 inches)	85%	moderate
March Weather	0°C (32°F)	26 mm (1.0 inches)	77%	high
April Weather	4°C (39°F)	63 mm (2.5 inches)	72%	very high
May Weather	10°C (51°F)	67 mm (2.6 inches)	75%	very high
June Weather	16°C (61°F)	62 mm (2.4 inches)	78%	very high
July Weather	21°C (69°F)	17 mm (0.7 inches)	79%	very high
August Weather	20°C (67°F)	21 mm (0.8 inches)	76%	very high
September Weather	14°C (57°F)	38 mm (1.5 inches)	67%	very high
October Weather	5°C (42°F)	33 mm (1.3 inches)	69%	moderate
November Weather	1°C (33°F)	26 mm (1.0 inches)	78%	moderate
December Weather	-3°C (27°F)	25 mm (1.0 inches)	85%	low