August Weather in Duncan, United States

Last updated: June 24, 2025

In Duncan, United States, the average temperature in August hovers around 28°C (83°F), making it quite pleasant. However, be prepared for variations, as temperatures can dip to a minimum of 17°C (63°F) and soar to a maximum of 40°C (104°F). During this month, expect 23 mm (0.9 in) of precipitation spread over approximately 5 days, while the average humidity sits at a comfortable 53%.

August Temperature in Duncan

In August, in Duncan, the average temperature is 28°C (83°F). Maximum temperatures can reach up to 40°C (104°F), while the minimum can drop to as low as 17°C (63°F). This makes it an ideal time to explore outdoor activities, but be sure to stay hydrated and prepare for both warm and cooler moments throughout the day.

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

The chart illustrates August 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, August typically has an average temperature of 28°C (83°F), with highs reaching up to 40°C (104°F) and lows dropping to around 17°C (63°F).

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

August Precipitation in Duncan

In Duncan in August, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

August Precipitation Trends in Duncan

The chart displays monthly precipitation patterns in Duncan, 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 Duncan, August typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Duncan

In Duncan in August, humidity is 53%. With an average temperature of 28°C (83°F), this humidity feels like a warm embrace, creating an atmosphere that is comfortable for outdoor activities yet may require a light breeze or a cooling drink to fully enjoy.

August Average Humidity in Duncan

This chart illustrates the average monthly humidity levels in Duncan, 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 Duncan is approximately 53%, 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 Duncan

In Duncan in August, 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 August

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

Data source: Duncan 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 Duncan Compares to Other Months

Weather in Duncan varies notably across the year, with each month offering distinct climate conditions. This page compares August’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 August’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