May Weather in Hays, United States

Last updated: June 24, 2025

In May, the average temperature in Hays, United States hovers around 18°C (64°F), with a range that can dip to a chilly 1°C (34°F) and soar to a sweltering 37°C (99°F). During this time, you can expect about 139 mm (5.5 in) of precipitation spread over 13 days, contributing to an average humidity of 82%. Make sure to prepare for a mix of weather conditions this month!

May Temperature in Hays

In May in Hays, the average temperature is 18°C (64°F). Maximums can reach 37°C (99°F), and minimums can be as low as 1°C (34°F). This means you'll want to pack for a variety of weather conditions while enjoying your travels.

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

The chart illustrates May temperature patterns in Hays, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hays, May typically has an average temperature of 18°C (64°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Hays

In Hays in May, the precipitation amount is 139 mm (5.5 in) over the course of 13 days.

May Precipitation Trends in Hays

The chart displays monthly precipitation patterns in Hays, 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 Hays, May typically receives around 139 mm (5.5 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 Hays

In Hays in May humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

May Average Humidity in Hays

This chart illustrates the average monthly humidity levels in Hays, 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 Hays 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 Hays

In Hays in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hays.

Maximum UV Index Levels in Hays for May

The chart shows the monthly maximum UV Index (UVI) for Hays 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 Hays typically reaches 10, which falls under the very high exposure category.

Data source: Hays 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 Hays Compares to Other Months

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

This table compares monthly weather conditions in Hays, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	24 mm (0.9 inches)	74%	moderate
February Weather	0°C (32°F)	20 mm (0.8 inches)	78%	moderate
March Weather	7°C (45°F)	64 mm (2.5 inches)	67%	high
April Weather	12°C (53°F)	42 mm (1.6 inches)	70%	very high
May Weather	18°C (64°F)	139 mm (5.5 inches)	82%	very high
June Weather	25°C (77°F)	66 mm (2.6 inches)	81%	extreme
July Weather	27°C (81°F)	73 mm (2.9 inches)	80%	extreme
August Weather	25°C (77°F)	80 mm (3.1 inches)	80%	very high
September Weather	22°C (72°F)	55 mm (2.1 inches)	73%	very high
October Weather	13°C (55°F)	61 mm (2.4 inches)	71%	high
November Weather	7°C (44°F)	22 mm (0.9 inches)	79%	moderate
December Weather	2°C (36°F)	29 mm (1.1 inches)	83%	moderate