January Weather in Keokuk, United States

Last updated: June 24, 2025

In Keokuk, United States, the average temperature in January hovers around -3°C (27°F). Expect temperatures to range from a chilly -29°C (-20°F) at their lowest to a mild 15°C (59°F) at their highest. During this month, precipitation averages 56 mm (2.2 in) over 7 days, contributing to an average humidity of 81%. Be prepared for a variety of weather conditions!

January Temperature in Keokuk

In January in Keokuk, the average temperature is -3°C (27°F), with maximums reaching up to 15°C (59°F) and minimums dipping as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Keokuk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keokuk, January typically has an average temperature of -3°C (27°F), with highs reaching up to 15°C (59°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in Keokuk

In Keokuk in January, the total precipitation amount is 56 mm (2.2 in) over a period of 7 days.

January Precipitation Trends in Keokuk

The chart displays monthly precipitation patterns in Keokuk, 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 Keokuk, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 7 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 Keokuk

In Keokuk in January humidity is 81%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making traveling uncomfortable and forcing you to bundle up tightly to fend off the cold dampness.

January Average Humidity in Keokuk

This chart illustrates the average monthly humidity levels in Keokuk, 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 Keokuk is approximately 81%, 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 Keokuk

In Keokuk 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 Keokuk, you can check the information here.

Maximum UV Index Levels in Keokuk for January

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

Data source: Keokuk 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 Keokuk Compares to Other Months

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

This table compares monthly weather conditions in Keokuk, 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 (27°F)	56 mm (2.2 inches)	81%	moderate
February Weather	-2°C (29°F)	58 mm (2.3 inches)	81%	moderate
March Weather	6°C (43°F)	100 mm (3.9 inches)	81%	high
April Weather	11°C (52°F)	95 mm (3.7 inches)	82%	very high
May Weather	18°C (65°F)	169 mm (6.7 inches)	78%	very high
June Weather	24°C (76°F)	121 mm (4.8 inches)	81%	extreme
July Weather	26°C (79°F)	86 mm (3.4 inches)	79%	very high
August Weather	24°C (75°F)	85 mm (3.3 inches)	77%	very high
September Weather	21°C (70°F)	99 mm (3.9 inches)	78%	very high
October Weather	13°C (56°F)	118 mm (4.6 inches)	78%	high
November Weather	5°C (41°F)	50 mm (2.0 inches)	87%	moderate
December Weather	1°C (35°F)	42 mm (1.7 inches)	84%	low