January Weather in Harts, United States

Last updated: June 24, 2025

In January, the average temperature in Harts, United States hovers around 3°C (37°F). However, temperatures can range from a brisk -16°C (3°F) to a surprisingly warm 24°C (75°F). Expect around 101 mm (4.0 in) of precipitation spread over 11 days, accompanied by high humidity levels averaging 87%. Whether you're bundling up or enjoying the milder days, be prepared for a variety of weather!

January Temperature in Harts

In January in Harts, the average temperature is 3°C (37°F), with maxima reaching up to 24°C (75°F) and minima plunging to as low as -16°C (3°F). This wide temperature range means travelers should pack accordingly, ensuring they're prepared for both warm afternoons and chilly nights.

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

The chart illustrates January temperature patterns in Harts, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harts, January typically has an average temperature of 3°C (37°F), with highs reaching up to 24°C (75°F) and lows dropping to around -16°C (3°F).

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

January Precipitation in Harts

In Harts in January, the precipitation amount is 101 mm (4.0 in) spread over 11 days.

January Precipitation Trends in Harts

The chart displays monthly precipitation patterns in Harts, 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 Harts, January typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 11 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 Harts

In Harts in January, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.

January Average Humidity in Harts

This chart illustrates the average monthly humidity levels in Harts, 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 Harts is approximately 87%, 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 Harts

In Harts 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 Harts, you can check the information here.

Maximum UV Index Levels in Harts for January

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

Data source: Harts 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 Harts Compares to Other Months

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

This table compares monthly weather conditions in Harts, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	101 mm (4.0 inches)	87%	moderate
February Weather	5°C (42°F)	161 mm (6.3 inches)	87%	moderate
March Weather	9°C (48°F)	127 mm (5.0 inches)	86%	high
April Weather	13°C (56°F)	132 mm (5.2 inches)	84%	very high
May Weather	19°C (66°F)	143 mm (5.6 inches)	83%	very high
June Weather	22°C (72°F)	163 mm (6.4 inches)	83%	very high
July Weather	25°C (77°F)	122 mm (4.8 inches)	79%	very high
August Weather	24°C (75°F)	119 mm (4.7 inches)	66%	very high
September Weather	21°C (71°F)	104 mm (4.1 inches)	68%	very high
October Weather	16°C (61°F)	119 mm (4.7 inches)	78%	high
November Weather	8°C (46°F)	78 mm (3.1 inches)	89%	moderate
December Weather	5°C (42°F)	128 mm (5.0 inches)	86%	moderate