January Weather in Henderson, United States

Last updated: June 24, 2025

In January, the average temperature in Henderson, United States hovers around 2°C (36°F). Expect a wide range, with minimums dipping to -18°C (1°F) and maximums climbing to 21°C (70°F). Precipitation can be significant, totaling 94 mm (3.7 in) over 8 days, and the air will often feel humid, with an average humidity of 86%.

January Temperature in Henderson

In January in Henderson, the average temperature is 2°C (36°F), with maximums reaching up to 21°C (70°F) and minimums dropping as low as -18°C (1°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack for both warm days and cold nights.

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

The chart illustrates January temperature patterns in Henderson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Henderson, January typically has an average temperature of 2°C (36°F), with highs reaching up to 21°C (70°F) and lows dropping to around -18°C (1°F).

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

January Precipitation in Henderson

In Henderson in January, the precipitation amount is 94 mm (3.7 in) over the course of 8 days.

January Precipitation Trends in Henderson

The chart displays monthly precipitation patterns in Henderson, 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 Henderson, January typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 8 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 Henderson

In Henderson in January, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

January Average Humidity in Henderson

This chart illustrates the average monthly humidity levels in Henderson, 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 Henderson is approximately 86%, 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 Henderson

In Henderson 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 Henderson, you can check the information here.

Maximum UV Index Levels in Henderson for January

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

Data source: Henderson 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 Henderson Compares to Other Months

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

This table compares monthly weather conditions in Henderson, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	94 mm (3.7 inches)	86%	moderate
February Weather	4°C (40°F)	124 mm (4.9 inches)	84%	high
March Weather	10°C (49°F)	133 mm (5.2 inches)	84%	high
April Weather	14°C (58°F)	127 mm (5.0 inches)	80%	very high
May Weather	21°C (69°F)	129 mm (5.1 inches)	82%	very high
June Weather	25°C (77°F)	118 mm (4.6 inches)	83%	extreme
July Weather	27°C (80°F)	91 mm (3.6 inches)	79%	very high
August Weather	25°C (78°F)	82 mm (3.2 inches)	76%	very high
September Weather	23°C (73°F)	91 mm (3.6 inches)	75%	very high
October Weather	16°C (62°F)	124 mm (4.9 inches)	74%	high
November Weather	8°C (46°F)	90 mm (3.5 inches)	85%	moderate
December Weather	5°C (42°F)	102 mm (4.0 inches)	88%	moderate