May Weather in Summerlin South, United States

Last updated: June 24, 2025

In May, the average temperature in Summerlin South, United States hovers around 23°C (73°F). Be prepared for a wide range of temperatures, as it can drop to a chilly 7°C (46°F) or soar up to a sizzling 40°C (104°F). Rainfall is light, with an average precipitation of only 8 mm (0.3 in) over about 2 days, while the average humidity sits at a comfortable 45%.

May Temperature in Summerlin South

In May in Summerlin South, the average temperature is 23°C (73°F). Maximums can reach 40°C (104°F), and minimums can be as low as 7°C (46°F). Be prepared for a wide range of temperatures during your travels.

May Weather in Summerlin South: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Summerlin South, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerlin South, May typically has an average temperature of 23°C (73°F), with highs reaching up to 40°C (104°F) and lows dropping to around 7°C (46°F).

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

May Precipitation in Summerlin South

In Summerlin South in May, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

May Precipitation Trends in Summerlin South

The chart displays monthly precipitation patterns in Summerlin South, 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 Summerlin South, May typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 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 Summerlin South

In Summerlin South in May, humidity is 45%. With an average temperature of 23°C (73°F), this humidity feels like a comfortable embrace, making it ideal for exploring local sights and enjoying outdoor activities without feeling too sticky or uncomfortable.

May Average Humidity in Summerlin South

This chart illustrates the average monthly humidity levels in Summerlin South, 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 Summerlin South is approximately 45%, 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 Summerlin South

In Summerlin South 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 Summerlin South.

Maximum UV Index Levels in Summerlin South for May

The chart shows the monthly maximum UV Index (UVI) for Summerlin South 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 Summerlin South typically reaches 11, which falls under the extreme exposure category.

Data source: Summerlin South 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 Summerlin South Compares to Other Months

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

This table compares monthly weather conditions in Summerlin South, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	19 mm (0.7 inches)	76%	moderate
February Weather	9°C (49°F)	22 mm (0.9 inches)	80%	high
March Weather	13°C (56°F)	19 mm (0.8 inches)	69%	very high
April Weather	19°C (66°F)	6 mm (0.2 inches)	57%	very high
May Weather	23°C (73°F)	8 mm (0.3 inches)	45%	extreme
June Weather	30°C (86°F)	1 mm (0.0 inches)	34%	extreme
July Weather	32°C (91°F)	17 mm (0.7 inches)	29%	extreme
August Weather	32°C (90°F)	11 mm (0.4 inches)	28%	extreme
September Weather	27°C (81°F)	5 mm (0.2 inches)	41%	very high
October Weather	19°C (66°F)	4 mm (0.2 inches)	54%	high
November Weather	13°C (56°F)	13 mm (0.5 inches)	68%	moderate
December Weather	8°C (46°F)	17 mm (0.7 inches)	75%	moderate