May Weather in Westlake, United States

Last updated: June 24, 2025

In Westlake, United States, the average temperature in May reaches a pleasant 25°C (77°F). However, temperatures can vary, with a minimum of 10°C (51°F) and a maximum soaring to 36°C (97°F). Be prepared for some rain, as the area experiences an average precipitation of 206 mm (8.1 in) over 13 days. The average humidity sits at a high 81%, contributing to the region's lush environment.

May Temperature in Westlake

In May in Westlake, the average temperature is 25°C (77°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 10°C (51°F). This makes Westlake an ideal destination for travelers seeking warm weather with some cool evenings.

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

The chart illustrates May temperature patterns in Westlake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westlake, May typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 10°C (51°F).

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

May Precipitation in Westlake

In Westlake in May, the precipitation amount is 206 mm (8.1 in) spread over 13 days.

May Precipitation Trends in Westlake

The chart displays monthly precipitation patterns in Westlake, 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 Westlake, May typically receives around 206 mm (8.1 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Westlake

In Westlake in May, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

May Average Humidity in Westlake

This chart illustrates the average monthly humidity levels in Westlake, 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 Westlake is approximately 81%, 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 Westlake

In Westlake 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 Westlake.

Maximum UV Index Levels in Westlake for May

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

Data source: Westlake 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 Westlake Compares to Other Months

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

This table compares monthly weather conditions in Westlake, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	117 mm (4.6 inches)	81%	moderate
February Weather	14°C (58°F)	110 mm (4.3 inches)	81%	very high
March Weather	18°C (65°F)	78 mm (3.1 inches)	79%	very high
April Weather	20°C (69°F)	152 mm (6.0 inches)	80%	very high
May Weather	25°C (77°F)	206 mm (8.1 inches)	81%	extreme
June Weather	27°C (81°F)	168 mm (6.6 inches)	76%	extreme
July Weather	28°C (83°F)	159 mm (6.2 inches)	73%	extreme
August Weather	28°C (83°F)	182 mm (7.2 inches)	71%	extreme
September Weather	26°C (79°F)	174 mm (6.8 inches)	72%	very high
October Weather	22°C (72°F)	124 mm (4.9 inches)	73%	very high
November Weather	16°C (60°F)	71 mm (2.8 inches)	83%	high
December Weather	14°C (57°F)	126 mm (5.0 inches)	88%	moderate