May Weather in Hills, United States

Last updated: June 24, 2025

In May, the average temperature in Hills, United States is a comfortable 17°C (63°F). However, temperatures can fluctuate significantly, with a minimum of 1°C (34°F) and a maximum of 36°C (97°F). Expect about 139 mm (5.5 in) of precipitation spread over 14 days, and keep in mind that the average humidity hovers around 78%, adding a touch of moisture to the air.

May Temperature in Hills

In May in Hills, the average temperature is 17°C (63°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 1°C (34°F). This variability in temperature makes it essential to pack accordingly for a comfortable travel experience.

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

The chart illustrates May temperature patterns in Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hills, May typically has an average temperature of 17°C (63°F), with highs reaching up to 36°C (97°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Hills

In Hills, in May, the precipitation amount is 139 mm (5.5 in) over the course of 14 days.

May Precipitation Trends in Hills

The chart displays monthly precipitation patterns in Hills, 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 Hills, May typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 14 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 Hills

In Hills in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

May Average Humidity in Hills

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

In Hills 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 Hills.

Maximum UV Index Levels in Hills for May

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

Data source: Hills 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 Hills Compares to Other Months

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

This table compares monthly weather conditions in Hills, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	49 mm (1.9 inches)	81%	moderate
February Weather	-4°C (25°F)	59 mm (2.3 inches)	81%	moderate
March Weather	4°C (40°F)	84 mm (3.3 inches)	81%	high
April Weather	10°C (50°F)	85 mm (3.4 inches)	82%	very high
May Weather	17°C (63°F)	139 mm (5.5 inches)	78%	very high
June Weather	23°C (74°F)	133 mm (5.2 inches)	81%	extreme
July Weather	25°C (77°F)	70 mm (2.8 inches)	79%	very high
August Weather	23°C (74°F)	72 mm (2.8 inches)	77%	very high
September Weather	20°C (69°F)	123 mm (4.8 inches)	78%	very high
October Weather	12°C (54°F)	129 mm (5.1 inches)	78%	high
November Weather	4°C (39°F)	51 mm (2.0 inches)	87%	moderate
December Weather	0°C (32°F)	48 mm (1.9 inches)	84%	moderate