January Weather in Ames, United States

Last updated: June 24, 2025

In January, the average temperature in Ames, United States hovers around 9°C (49°F). Be prepared for a wide range, as temperatures can dip as low as -11°C (13°F) or soar to 28°C (83°F). During this month, expect about 49 mm (1.9 in) of precipitation over approximately 5 days, with an average humidity of 78% adding to the overall atmosphere.

January Temperature in Ames

In January in Ames, the average temperature is 9°C (49°F), with maximums reaching up to 28°C (83°F) and minimums plunging as low as -11°C (13°F). Travelers should prepare for a wide range of temperatures and pack accordingly to enjoy their visit.

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

The chart illustrates January temperature patterns in Ames, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ames, January typically has an average temperature of 9°C (49°F), with highs reaching up to 28°C (83°F) and lows dropping to around -11°C (13°F).

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

January Precipitation in Ames

In Ames in January, the precipitation amount is 49 mm (1.9 in) spread over a period of 5 days.

January Precipitation Trends in Ames

The chart displays monthly precipitation patterns in Ames, 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 Ames, January typically receives around 49 mm (1.9 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 Ames

In Ames in January, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.

January Average Humidity in Ames

This chart illustrates the average monthly humidity levels in Ames, 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 Ames is approximately 78%, 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 Ames

In Ames 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 Ames for better planning.

Maximum UV Index Levels in Ames for January

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

Data source: Ames 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 Ames Compares to Other Months

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

This table compares monthly weather conditions in Ames, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	49 mm (1.9 inches)	78%	moderate
February Weather	10°C (51°F)	69 mm (2.7 inches)	78%	high
March Weather	17°C (62°F)	78 mm (3.1 inches)	77%	very high
April Weather	19°C (67°F)	89 mm (3.5 inches)	78%	very high
May Weather	24°C (75°F)	171 mm (6.7 inches)	82%	extreme
June Weather	28°C (82°F)	74 mm (2.9 inches)	78%	extreme
July Weather	30°C (86°F)	51 mm (2.0 inches)	69%	extreme
August Weather	30°C (86°F)	79 mm (3.1 inches)	63%	extreme
September Weather	26°C (80°F)	86 mm (3.4 inches)	66%	very high
October Weather	21°C (69°F)	129 mm (5.1 inches)	73%	very high
November Weather	14°C (58°F)	41 mm (1.6 inches)	84%	high
December Weather	12°C (53°F)	50 mm (2.0 inches)	87%	moderate