May Weather in Clayton, United States

Last updated: June 24, 2025

In May, the average temperature in Clayton, United States hovers around 23°C (74°F). Expect temperatures to fluctuate between a cool 8°C (47°F) and a sweltering 37°C (98°F). Keep an umbrella handy, as you may encounter 113 mm (4.4 in) of precipitation over about 10 days. With an average humidity of 74%, the weather is likely to feel quite tropical!

May Temperature in Clayton

In May in Clayton, the average temperature is 23°C (74°F), with maximums reaching 37°C (98°F) and minimums dropping to as low as 8°C (47°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Clayton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clayton, May typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (98°F) and lows dropping to around 8°C (47°F).

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

May Precipitation in Clayton

In Clayton in May, the total precipitation amount is 113 mm (4.4 in) over a span of 10 days.

May Precipitation Trends in Clayton

The chart displays monthly precipitation patterns in Clayton, 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 Clayton, May typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 10 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 Clayton

In Clayton in May humidity is 74%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit sticky and potentially exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

May Average Humidity in Clayton

This chart illustrates the average monthly humidity levels in Clayton, 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 Clayton is approximately 74%, 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 Clayton

In Clayton 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 Clayton.

Maximum UV Index Levels in Clayton for May

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

Data source: Clayton 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 Clayton Compares to Other Months

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

This table compares monthly weather conditions in Clayton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	108 mm (4.2 inches)	83%	moderate
February Weather	13°C (56°F)	116 mm (4.6 inches)	82%	high
March Weather	16°C (61°F)	94 mm (3.7 inches)	79%	very high
April Weather	19°C (66°F)	125 mm (4.9 inches)	77%	very high
May Weather	23°C (74°F)	113 mm (4.4 inches)	74%	extreme
June Weather	26°C (79°F)	120 mm (4.7 inches)	70%	extreme
July Weather	27°C (81°F)	107 mm (4.2 inches)	78%	extreme
August Weather	27°C (81°F)	123 mm (4.8 inches)	78%	extreme
September Weather	25°C (78°F)	112 mm (4.4 inches)	79%	very high
October Weather	21°C (70°F)	119 mm (4.7 inches)	74%	very high
November Weather	14°C (57°F)	65 mm (2.5 inches)	83%	high
December Weather	11°C (53°F)	132 mm (5.2 inches)	86%	moderate