August Weather in Denver, United States

Last updated: June 24, 2025

In August, the average temperature in Denver, United States is a pleasant 26°C (79°F), with a range that can dip to a minimum of 15°C (59°F) and peak at 35°C (95°F). Expect some moisture in the air as precipitation reaches 103 mm (4.0 in) over approximately 12 days, contributing to an average humidity of 74%.

August Temperature in Denver

In August in Denver, the average temperature is 26°C (79°F). Maximum temperatures can reach 35°C (95°F) while the minimum can be as low as 15°C (59°F). This makes Denver an ideal destination for travelers seeking pleasant weather and a comfortable climate.

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

The chart illustrates August temperature patterns in Denver, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Denver, August typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 15°C (59°F).

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

August Precipitation in Denver

In Denver in August, the precipitation amount is 103 mm (4.0 in) recorded over a span of 12 days.

August Precipitation Trends in Denver

The chart displays monthly precipitation patterns in Denver, 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 Denver, August typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Denver

In Denver in August humidity is 74%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and take frequent breaks in shaded areas to fully enjoy the vibrant surroundings.

August Average Humidity in Denver

This chart illustrates the average monthly humidity levels in Denver, 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 Denver is approximately 74%, 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 Denver

In Denver in August, 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 Denver.

Maximum UV Index Levels in Denver for August

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

Data source: Denver 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 Denver Compares to Other Months

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

This table compares monthly weather conditions in Denver, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	90 mm (3.5 inches)	86%	moderate
February Weather	9°C (48°F)	116 mm (4.6 inches)	85%	high
March Weather	12°C (53°F)	87 mm (3.4 inches)	84%	very high
April Weather	16°C (62°F)	111 mm (4.4 inches)	82%	very high
May Weather	21°C (70°F)	119 mm (4.7 inches)	83%	very high
June Weather	25°C (77°F)	79 mm (3.1 inches)	82%	extreme
July Weather	27°C (81°F)	88 mm (3.5 inches)	80%	extreme
August Weather	26°C (79°F)	103 mm (4.0 inches)	74%	very high
September Weather	23°C (74°F)	128 mm (5.0 inches)	75%	very high
October Weather	18°C (65°F)	107 mm (4.2 inches)	79%	very high
November Weather	10°C (51°F)	87 mm (3.4 inches)	87%	moderate
December Weather	8°C (46°F)	119 mm (4.7 inches)	87%	moderate