July Weather in Donna, United States

Last updated: June 24, 2025

In Donna, United States, the average temperature in July hovers around 30°C (86°F), with a minimum drop to 21°C (71°F) and a scorching maximum reaching 42°C (107°F). Residents can expect about 97 mm (3.8 in) of precipitation spread over 7 days, accompanied by an average humidity level of 66%.

July Temperature in Donna

In July, in Donna, the average temperature is 30°C (86°F). Maximum temperatures can reach 42°C (107°F), while the minimum can drop as low as 21°C (71°F). Travelers should be prepared for warm weather and stay hydrated during their visit.

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

The chart illustrates July temperature patterns in Donna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Donna, July typically has an average temperature of 30°C (86°F), with highs reaching up to 42°C (107°F) and lows dropping to around 21°C (71°F).

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

July Precipitation in Donna

In Donna in July, the precipitation amount is 97 mm (3.8 in) over the course of 7 days.

July Precipitation Trends in Donna

The chart displays monthly precipitation patterns in Donna, 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 Donna, July typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Donna

In Donna in July humidity is 66%. With an average temperature of 30°C (86°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making any outdoor activity more demanding and necessitating regular breaks to hydrate and cool off.

July Average Humidity in Donna

This chart illustrates the average monthly humidity levels in Donna, 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 Donna is approximately 66%, 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 Donna

In Donna in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Donna.

Maximum UV Index Levels in Donna for July

The chart shows the monthly maximum UV Index (UVI) for Donna 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 Donna typically reaches 12, which falls under the extreme exposure category.

Data source: Donna 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 Donna Compares to Other Months

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

This table compares monthly weather conditions in Donna, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (62°F)	22 mm (0.9 inches)	83%	high
February Weather	18°C (65°F)	22 mm (0.9 inches)	79%	very high
March Weather	22°C (72°F)	32 mm (1.2 inches)	76%	very high
April Weather	25°C (77°F)	30 mm (1.2 inches)	77%	extreme
May Weather	28°C (82°F)	86 mm (3.4 inches)	80%	extreme
June Weather	29°C (85°F)	87 mm (3.4 inches)	73%	extreme
July Weather	30°C (86°F)	97 mm (3.8 inches)	66%	extreme
August Weather	31°C (88°F)	28 mm (1.1 inches)	65%	extreme
September Weather	29°C (84°F)	101 mm (4.0 inches)	73%	extreme
October Weather	25°C (77°F)	58 mm (2.3 inches)	76%	very high
November Weather	21°C (69°F)	30 mm (1.2 inches)	80%	high
December Weather	18°C (65°F)	22 mm (0.8 inches)	86%	high