January Weather in Hennessey, United States

Last updated: June 24, 2025

In Hennessey, United States, the average temperature in January hovers around 3°C (38°F), with extremes ranging from a chilly -16°C (4°F) to a warm 25°C (78°F). Expect about 44 mm (1.7 in) of precipitation over 5 days, contributing to an average humidity level of 76% that adds a touch of moisture to the air.

January Temperature in Hennessey

In January in Hennessey, the average temperature is 3°C (38°F). Maximums can reach 25°C (78°F), while minimums can drop as low as -16°C (4°F). Be sure to pack layers to enjoy both the warmth of the day and the chill of the night during your travels.

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

The chart illustrates January temperature patterns in Hennessey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hennessey, January typically has an average temperature of 3°C (38°F), with highs reaching up to 25°C (78°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Hennessey

In Hennessey in January, the precipitation amount is 44 mm (1.7 in) over the course of 5 days.

January Precipitation Trends in Hennessey

The chart displays monthly precipitation patterns in Hennessey, 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 Hennessey, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 5 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 Hennessey

In Hennessey in January, humidity is 76%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and demanding thicker layers for warmth.

January Average Humidity in Hennessey

This chart illustrates the average monthly humidity levels in Hennessey, 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 Hennessey is approximately 76%, 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 Hennessey

In Hennessey 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 Hennessey for better planning.

Maximum UV Index Levels in Hennessey for January

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

Data source: Hennessey 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 Hennessey Compares to Other Months

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

This table compares monthly weather conditions in Hennessey, 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 (38°F)	44 mm (1.7 inches)	76%	moderate
February Weather	4°C (40°F)	32 mm (1.2 inches)	76%	high
March Weather	12°C (53°F)	85 mm (3.3 inches)	70%	very high
April Weather	15°C (59°F)	91 mm (3.6 inches)	72%	very high
May Weather	21°C (70°F)	142 mm (5.6 inches)	82%	extreme
June Weather	26°C (80°F)	102 mm (4.0 inches)	82%	extreme
July Weather	28°C (84°F)	59 mm (2.3 inches)	80%	extreme
August Weather	27°C (81°F)	68 mm (2.7 inches)	72%	extreme
September Weather	24°C (76°F)	65 mm (2.6 inches)	64%	very high
October Weather	16°C (61°F)	85 mm (3.3 inches)	71%	high
November Weather	10°C (49°F)	25 mm (1.0 inches)	81%	moderate
December Weather	6°C (43°F)	26 mm (1.0 inches)	84%	moderate