May Weather in Ames, United States

Last updated: June 24, 2025

In May, the average temperature in Ames, United States is a comfortable 24°C (75°F). However, temperatures can range from a chilly 9°C (49°F) at night to a sizzling 37°C (98°F) during the day. Expect about 171 mm (6.7 in) of precipitation over 13 days, contributing to an average humidity of 82%. Stay prepared for the warm, humid conditions!

May Temperature in Ames

In May in Ames, the average temperature is 24°C (75°F). Maximums can reach 37°C (98°F), and minimums can be as low as 9°C (49°F). This range of temperatures makes Ames an ideal destination for travelers seeking warm weather with the option for cooler evenings.

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

The chart illustrates May 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, May typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (98°F) and lows dropping to around 9°C (49°F).

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

May Precipitation in Ames

In Ames in May, the precipitation amount is 171 mm (6.7 in) over a period of 13 days.

May Precipitation Trends in Ames

The chart displays monthly precipitation patterns in Ames, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Ames, May typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Ames

In Ames in May, humidity is 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.

May Average Humidity in Ames

This chart illustrates the average monthly humidity levels in Ames, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Ames is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ames

In Ames in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Ames.

Maximum UV Index Levels in Ames for May

The chart shows the monthly maximum UV Index (UVI) for Ames in May, 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 May, the maximum UV index in Ames typically reaches 11, which falls under the extreme exposure category.

Data source: Ames May 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 May 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 May’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 May’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