May Weather in Grayson, United States

Last updated: June 24, 2025

In Grayson, United States, the average temperature in May hovers around 24°C (75°F). Expect temperatures to range from a cool 10°C (50°F) to a warm 35°C (95°F). With a precipitation average of 144 mm (5.7 in) spread across 13 days, and an average humidity of 81%, prepare for a mix of sunny and rainy days!

May Temperature in Grayson

In May in Grayson, the average temperature is 24°C (75°F). Maximums can reach 35°C (95°F) and minimums can be as low as 10°C (50°F). This makes Grayson an ideal destination for travelers seeking warm weather along with the possibility of cooler evenings.

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

The chart illustrates May temperature patterns in Grayson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grayson, May typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 10°C (50°F).

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

May Precipitation in Grayson

In Grayson in May, the precipitation amount is 144 mm (5.7 in) spread over 13 days.

May Precipitation Trends in Grayson

The chart displays monthly precipitation patterns in Grayson, 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 Grayson, May typically receives around 144 mm (5.7 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 Grayson

In Grayson in May humidity is 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

May Average Humidity in Grayson

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

In Grayson 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 Grayson.

Maximum UV Index Levels in Grayson for May

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

Data source: Grayson 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 Grayson Compares to Other Months

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

This table compares monthly weather conditions in Grayson, 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 (49°F)	112 mm (4.4 inches)	83%	moderate
February Weather	12°C (54°F)	169 mm (6.6 inches)	83%	high
March Weather	17°C (62°F)	114 mm (4.5 inches)	80%	very high
April Weather	19°C (66°F)	140 mm (5.5 inches)	81%	extreme
May Weather	24°C (75°F)	144 mm (5.7 inches)	81%	extreme
June Weather	27°C (80°F)	131 mm (5.1 inches)	78%	extreme
July Weather	28°C (83°F)	113 mm (4.4 inches)	79%	extreme
August Weather	28°C (83°F)	120 mm (4.7 inches)	79%	extreme
September Weather	26°C (80°F)	96 mm (3.8 inches)	79%	very high
October Weather	21°C (70°F)	120 mm (4.7 inches)	77%	very high
November Weather	13°C (56°F)	80 mm (3.2 inches)	85%	high
December Weather	12°C (53°F)	124 mm (4.9 inches)	88%	moderate