January Weather in Heath, United States

Last updated: June 24, 2025

In January, the average temperature in Heath, United States hovers around -4°C (24°F), with extremes that can plunge to a brisk -26°C (-15°F) and occasionally rise to a mild 16°C (61°F). Expect 85 mm (3.3 in) of precipitation spread over 9 days, contributing to a notable average humidity of 89%. Embrace the chill!

January Temperature in Heath

In January in Heath, the average temperature is -4°C (24°F), with maximums reaching 16°C (61°F) and minimums dipping as low as -26°C (-15°F). Travelers should be prepared for a wide temperature range, ensuring they bring appropriate clothing for both chilly and milder conditions.

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

The chart illustrates January temperature patterns in Heath, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heath, January typically has an average temperature of -4°C (24°F), with highs reaching up to 16°C (61°F) and lows dropping to around -26°C (-15°F).

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

January Precipitation in Heath

In Heath in January, the precipitation amount is 85 mm (3.3 in) over the course of 9 days.

January Precipitation Trends in Heath

The chart displays monthly precipitation patterns in Heath, 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 Heath, January typically receives around 85 mm (3.3 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 Heath

In Heath in January, humidity is 89%. With an average temperature of -4°C (24°F), this humidity feels like an unexpected chill that can make outdoor activities uncomfortable, turning even short walks into a brisk challenge as the dampness seeps into your clothing.

January Average Humidity in Heath

This chart illustrates the average monthly humidity levels in Heath, 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 Heath is approximately 89%, 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 Heath

In Heath 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 Heath, you can check the information here.

Maximum UV Index Levels in Heath for January

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

Data source: Heath 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 Heath Compares to Other Months

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

This table compares monthly weather conditions in Heath, 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)	85 mm (3.3 inches)	89%	moderate
February Weather	-3°C (27°F)	101 mm (4.0 inches)	88%	moderate
March Weather	0°C (33°F)	84 mm (3.3 inches)	86%	high
April Weather	7°C (45°F)	151 mm (5.9 inches)	84%	very high
May Weather	14°C (57°F)	108 mm (4.3 inches)	76%	very high
June Weather	19°C (66°F)	102 mm (4.0 inches)	72%	very high
July Weather	22°C (71°F)	169 mm (6.6 inches)	66%	very high
August Weather	21°C (69°F)	126 mm (5.0 inches)	64%	very high
September Weather	17°C (62°F)	112 mm (4.4 inches)	72%	very high
October Weather	11°C (51°F)	173 mm (6.8 inches)	81%	high
November Weather	3°C (37°F)	107 mm (4.2 inches)	87%	moderate
December Weather	-2°C (29°F)	125 mm (4.9 inches)	84%	low