July Weather in Duncan, United States

Last updated: June 24, 2025

In Duncan, United States, the average temperature in July hovers around 26°C (80°F). Expect a range where the minimum dips to 15°C (59°F) and the maximum can soar to 36°C (96°F). Additionally, you'll encounter about 82 mm (3.2 in) of precipitation over 15 days, contributing to an average humidity level of 80%.

July Temperature in Duncan

In July in Duncan, the average temperature is 26°C (80°F). Maximums can reach 36°C (96°F), while minimums can be as low as 15°C (59°F). This makes it an ideal time for travelers to enjoy warm weather while still having comfortable evenings to explore.

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 26°C (80°F), with highs reaching up to 36°C (96°F) and lows dropping to around 15°C (59°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 82 mm (3.2 in) over the course of 15 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 82 mm (3.2 inches) of precipitation spread over approximately 15 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 Duncan

In Duncan in July humidity is 80%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket, making it quite uncomfortable for traveling. The thick, heavy air can leave you feeling sticky and fatigued, making outdoor activities more challenging and necessitating frequent breaks for hydration and cooling down.

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 80%, 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 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 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 11, 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	6°C (43°F)	98 mm (3.9 inches)	86%	moderate
February Weather	9°C (48°F)	136 mm (5.4 inches)	85%	high
March Weather	12°C (53°F)	100 mm (4.0 inches)	84%	very high
April Weather	16°C (61°F)	126 mm (5.0 inches)	82%	very high
May Weather	21°C (70°F)	128 mm (5.0 inches)	83%	extreme
June Weather	24°C (76°F)	77 mm (3.0 inches)	82%	extreme
July Weather	26°C (80°F)	82 mm (3.2 inches)	80%	extreme
August Weather	25°C (78°F)	109 mm (4.3 inches)	74%	very high
September Weather	23°C (74°F)	144 mm (5.7 inches)	75%	very high
October Weather	18°C (64°F)	133 mm (5.2 inches)	79%	very high
November Weather	10°C (50°F)	93 mm (3.6 inches)	87%	high
December Weather	8°C (46°F)	130 mm (5.1 inches)	87%	moderate