July Weather in Duncan, United States

Last updated: June 24, 2025

In July, the average temperature in Duncan, United States reaches a warm 29°C (84°F). The weather can vary widely, with minimum temperatures dipping to 18°C (64°F) and soaring to a maximum of 41°C (106°F). Expect some moisture in the air as well, with 50 mm (2.0 in) of precipitation over approximately 9 days. The average humidity sits at a comfortable 43%, making it a pleasant time to explore!

July Temperature in Duncan

In July in Duncan, the average temperature is 29°C (84°F). The maximum can reach 41°C (106°F), while the minimum can drop as low as 18°C (64°F). Travelers should prepare for warm and potentially hot conditions, with cooler evenings for a more comfortable experience.

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

The chart illustrates July temperature patterns in Duncan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Duncan, July typically has an average temperature of 29°C (84°F), with highs reaching up to 41°C (106°F) and lows dropping to around 18°C (64°F).

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

July Precipitation in Duncan

In Duncan in July, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

July Precipitation Trends in Duncan

The chart displays monthly precipitation patterns in Duncan, 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 Duncan, July typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 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 Duncan

In Duncan in July humidity is 43%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making it comfortable for traveling as long as you stay hydrated and enjoy the occasional breeze.

July Average Humidity in Duncan

This chart illustrates the average monthly humidity levels in Duncan, 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 Duncan is approximately 43%, 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 Duncan

In Duncan 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 Duncan.

Maximum UV Index Levels in Duncan for July

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

Data source: Duncan 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 Duncan Compares to Other Months

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

This table compares monthly weather conditions in Duncan, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	26 mm (1.0 inches)	81%	moderate
February Weather	9°C (48°F)	34 mm (1.3 inches)	82%	high
March Weather	14°C (57°F)	18 mm (0.7 inches)	68%	very high
April Weather	19°C (67°F)	3 mm (0.1 inches)	55%	extreme
May Weather	23°C (74°F)	3 mm (0.1 inches)	45%	extreme
June Weather	29°C (84°F)	6 mm (0.2 inches)	37%	extreme
July Weather	29°C (84°F)	50 mm (2.0 inches)	43%	extreme
August Weather	28°C (83°F)	23 mm (0.9 inches)	53%	extreme
September Weather	25°C (77°F)	29 mm (1.1 inches)	66%	extreme
October Weather	19°C (66°F)	15 mm (0.6 inches)	72%	very high
November Weather	13°C (56°F)	25 mm (1.0 inches)	81%	high
December Weather	8°C (46°F)	25 mm (1.0 inches)	84%	moderate