January Weather in Harper, United States

Last updated: June 24, 2025

In January, the average temperature in Harper, United States hovers around 1°C (35°F), with temperatures ranging from a chilling -18°C (0°F) at the minimum to a mild 21°C (71°F) at the maximum. Expect 32 mm (1.2 in) of precipitation over about 3 days, contributing to an average humidity level of 75%. Embrace the unique climate!

January Temperature in Harper

In January in Harper, the average temperature is 1°C (35°F). Maximums can reach 21°C (71°F), and minimums can be as low as -18°C (0°F). Travelers should be prepared for a wide range of temperatures, from chilly conditions to milder days.

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

The chart illustrates January temperature patterns in Harper, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harper, January typically has an average temperature of 1°C (35°F), with highs reaching up to 21°C (71°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Harper

In Harper in January, the precipitation amount is 32 mm (1.2 in) over the course of 3 days.

January Precipitation Trends in Harper

The chart displays monthly precipitation patterns in Harper, 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 Harper, January typically receives around 32 mm (1.2 inches) of precipitation spread over approximately 3 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 Harper

In Harper in January, humidity is 75%. With an average temperature of 1°C (35°F), this humidity feels like a chilling blanket that makes every breath feel heavy and damp, creating an unusual challenge for travelers seeking comfort and warmth.

January Average Humidity in Harper

This chart illustrates the average monthly humidity levels in Harper, 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 Harper is approximately 75%, 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 Harper

In Harper 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 Harper, you can check the information here.

Maximum UV Index Levels in Harper for January

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

Data source: Harper 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 Harper Compares to Other Months

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

This table compares monthly weather conditions in Harper, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	32 mm (1.2 inches)	75%	moderate
February Weather	2°C (36°F)	27 mm (1.1 inches)	76%	high
March Weather	10°C (50°F)	76 mm (3.0 inches)	67%	high
April Weather	14°C (57°F)	68 mm (2.7 inches)	70%	very high
May Weather	20°C (68°F)	157 mm (6.2 inches)	82%	very high
June Weather	26°C (79°F)	115 mm (4.5 inches)	82%	extreme
July Weather	28°C (82°F)	54 mm (2.1 inches)	81%	extreme
August Weather	26°C (79°F)	70 mm (2.8 inches)	76%	very high
September Weather	23°C (74°F)	63 mm (2.5 inches)	67%	very high
October Weather	15°C (59°F)	100 mm (3.9 inches)	72%	high
November Weather	8°C (47°F)	22 mm (0.9 inches)	80%	moderate
December Weather	4°C (40°F)	31 mm (1.2 inches)	83%	moderate