July Weather in Grayson, United States

Last updated: June 24, 2025

In July, the average temperature in Grayson, United States is a pleasant 25°C (78°F). Visitors can expect temperatures to range from a cool 14°C (58°F) at night to a warm 36°C (97°F) during the day. With an average humidity of 81%, it's important to stay hydrated. Be prepared for some rain, as 118 mm (4.6 in) of precipitation may fall over 14 days, adding a refreshing touch to your experience!

July Temperature in Grayson

In July in Grayson, the average temperature is 25°C (78°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop to as low as 14°C (58°F). This makes it an ideal time for travelers to enjoy warm days and cooler nights, perfect for outdoor adventures.

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

The chart illustrates July 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, July typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).

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

July Precipitation in Grayson

In Grayson in July, the precipitation amount is 118 mm (4.6 in) over a span of 14 days.

July Precipitation Trends in Grayson

The chart displays monthly precipitation patterns in Grayson, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Grayson, July typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Grayson

In Grayson in July humidity is 81%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities less comfortable and requiring frequent breaks to stay hydrated.

July Average Humidity in Grayson

This chart illustrates the average monthly humidity levels in Grayson, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Grayson is approximately 81%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Grayson

In Grayson in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Grayson.

Maximum UV Index Levels in Grayson for July

The chart shows the monthly maximum UV Index (UVI) for Grayson in July, 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 July, the maximum UV index in Grayson typically reaches 10, which falls under the very high exposure category.

Data source: Grayson July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	93 mm (3.7 inches)	88%	moderate
February Weather	5°C (41°F)	132 mm (5.2 inches)	88%	moderate
March Weather	9°C (48°F)	110 mm (4.3 inches)	87%	high
April Weather	13°C (56°F)	125 mm (4.9 inches)	85%	very high
May Weather	19°C (67°F)	130 mm (5.1 inches)	81%	very high
June Weather	23°C (73°F)	175 mm (6.9 inches)	82%	very high
July Weather	25°C (78°F)	118 mm (4.6 inches)	81%	very high
August Weather	24°C (75°F)	140 mm (5.5 inches)	73%	very high
September Weather	21°C (71°F)	113 mm (4.4 inches)	73%	very high
October Weather	16°C (60°F)	113 mm (4.4 inches)	78%	high
November Weather	7°C (46°F)	74 mm (2.9 inches)	89%	moderate
December Weather	5°C (41°F)	118 mm (4.6 inches)	87%	moderate