May Weather in Ankeny, United States

Last updated: June 24, 2025

In May, the average temperature in Ankeny, United States hovers around 17°C (62°F), with a minimum dipping to 1°C (34°F) and a maximum soaring to 36°C (96°F). Expect 168 mm (6.6 in) of precipitation spread over 15 days, alongside an average humidity of 77%. Ideal for those who enjoy a mix of moderate warmth and occasional showers!

May Temperature in Ankeny

In May in Ankeny, the average temperature is 17°C (62°F). Maximum temperatures can reach 36°C (96°F), while minimums can dip as low as 1°C (34°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Ankeny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ankeny, May typically has an average temperature of 17°C (62°F), with highs reaching up to 36°C (96°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Ankeny

In Ankeny in May, the total precipitation amount is 168 mm (6.6 in) collected over a period of 15 days.

May Precipitation Trends in Ankeny

The chart displays monthly precipitation patterns in Ankeny, 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 Ankeny, May typically receives around 168 mm (6.6 inches) of precipitation spread over approximately 15 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 Ankeny

In Ankeny in May humidity is 77%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, creating a lush, almost tropical atmosphere that can be quite stifling for traveling, making it essential to stay hydrated and take frequent breaks in the shade.

May Average Humidity in Ankeny

This chart illustrates the average monthly humidity levels in Ankeny, 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 Ankeny is approximately 77%, 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 Ankeny

In Ankeny in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Ankeny.

Maximum UV Index Levels in Ankeny for May

The chart shows the monthly maximum UV Index (UVI) for Ankeny 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 Ankeny typically reaches 9, which falls under the very high exposure category.

Data source: Ankeny 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 Ankeny Compares to Other Months

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

This table compares monthly weather conditions in Ankeny, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	38 mm (1.5 inches)	78%	moderate
February Weather	-5°C (23°F)	42 mm (1.6 inches)	80%	moderate
March Weather	4°C (39°F)	81 mm (3.2 inches)	77%	high
April Weather	9°C (49°F)	77 mm (3.0 inches)	77%	very high
May Weather	17°C (62°F)	168 mm (6.6 inches)	77%	very high
June Weather	23°C (74°F)	112 mm (4.4 inches)	81%	extreme
July Weather	25°C (77°F)	74 mm (2.9 inches)	81%	very high
August Weather	23°C (74°F)	83 mm (3.3 inches)	77%	very high
September Weather	20°C (68°F)	122 mm (4.8 inches)	73%	very high
October Weather	11°C (53°F)	133 mm (5.2 inches)	75%	high
November Weather	3°C (38°F)	41 mm (1.6 inches)	85%	moderate
December Weather	-1°C (31°F)	37 mm (1.4 inches)	83%	moderate