January Weather in Iowa Falls, United States

Last updated: June 24, 2025

In January, the average temperature in Iowa Falls, United States hovers around -7°C (20°F), with extremes ranging from a biting -33°C (-26°F) to a relatively mild 12°C (54°F). Expect about 37 mm (1.4 in) of precipitation over 6 days, contributing to an average humidity of 82%. Stay warm and prepared for varied weather!

January Temperature in Iowa Falls

In January in Iowa Falls, the average temperature is -7°C (20°F). Maximums can reach 12°C (54°F), while minimums can be as low as -33°C (-26°F). Travelers should be prepared for cold conditions, so dressing in layers and staying warm is essential.

January Weather in Iowa Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Iowa Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iowa Falls, January typically has an average temperature of -7°C (20°F), with highs reaching up to 12°C (54°F) and lows dropping to around -33°C (-26°F).

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

January Precipitation in Iowa Falls

In Iowa Falls in January, the precipitation amount is 37 mm (1.4 in) over a span of 6 days.

January Precipitation Trends in Iowa Falls

The chart displays monthly precipitation patterns in Iowa Falls, 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 Iowa Falls, January typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 6 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 Iowa Falls

In Iowa Falls in January, humidity is 82%. With an average temperature of -7°C (20°F), this humidity feels like an uncomfortable chill that seeps into your bones, making traveling unpleasant and necessitating extra layers to stay warm.

January Average Humidity in Iowa Falls

This chart illustrates the average monthly humidity levels in Iowa Falls, 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 Iowa Falls is approximately 82%, 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 Iowa Falls

In Iowa Falls 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 Iowa Falls, you can check the information here.

Maximum UV Index Levels in Iowa Falls for January

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

Data source: Iowa Falls 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 Iowa Falls Compares to Other Months

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

This table compares monthly weather conditions in Iowa Falls, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	37 mm (1.4 inches)	82%	moderate
February Weather	-7°C (20°F)	47 mm (1.8 inches)	84%	moderate
March Weather	3°C (37°F)	71 mm (2.8 inches)	80%	high
April Weather	8°C (47°F)	80 mm (3.1 inches)	81%	very high
May Weather	16°C (61°F)	158 mm (6.2 inches)	74%	very high
June Weather	23°C (73°F)	117 mm (4.6 inches)	80%	extreme
July Weather	24°C (75°F)	99 mm (3.9 inches)	80%	very high
August Weather	22°C (72°F)	91 mm (3.6 inches)	77%	very high
September Weather	19°C (67°F)	119 mm (4.7 inches)	75%	very high
October Weather	10°C (51°F)	125 mm (4.9 inches)	80%	high
November Weather	2°C (36°F)	45 mm (1.8 inches)	87%	moderate
December Weather	-2°C (29°F)	35 mm (1.4 inches)	83%	moderate