August Weather in Grayson, United States

Last updated: June 24, 2025

In August, the average temperature in Grayson, United States is a warm 28°C (83°F). Expect a range from a comfortable 19°C (67°F) to a toasty 38°C (100°F). This month also brings about 120 mm (4.7 in) of precipitation spread over 13 days, contributing to an average humidity of 79%. Stay cool and prepared for the changing weather!

August Temperature in Grayson

In August in Grayson, the average temperature is 28°C (83°F). The maximum can reach 38°C (100°F), while the minimum can be as low as 19°C (67°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (100°F) and lows dropping to around 19°C (67°F).

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

August Precipitation in Grayson

In Grayson in August, the precipitation amount is 120 mm (4.7 in) spread over 13 days.

August Precipitation Trends in Grayson

The chart displays monthly precipitation patterns in Grayson, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Grayson, August typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Grayson

In Grayson in August humidity is 79%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities a challenge but also adding a certain tropical charm to your travel experience.

August Average Humidity in Grayson

This chart illustrates the average monthly humidity levels in Grayson, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Grayson is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Grayson

In Grayson in August, 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 August

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

Data source: Grayson August 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 August 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 August’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 August’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