Denver Weather in August

While August's weather is similar to the previous month's at Denver, Colorado, extremely hot temperatures are less common now.

This page gives detailed information on the typical August temperature, precipitation, sun, humidity, wind and storms for Denver. The numbers here are historical averages based on climate data gathered in the Denver community of Stapleton.

Temperature

88 °F	August average high	31 °C
57 °F	August average low	14 °C

13 days	90 °F max. or more (32 °C)
24 days	60 °F min. or less (16 °C)

Nearly every day in August warms to over 80 degrees Fahrenheit (27 degrees Celsius) in Denver. Temperatures above 100 °F (38 °C) occur during August about once in a decade.

At night, the thermometer dips to 50 °F (10 °C) just once or twice this month. But August does not normally get as cold as 40 °F (4 °C).

Rain

1.8 in	total precipitation	42 mm
8 days	of rain

Half the time, Denver receives 0.7 to 2.9 inches (17 to 75 mm) of rainfall in August. One in four years has drier weather, while another one in four is wetter. None of the precipitation falls as snow.

Sun

71 %	sunshine
10 days	clear skies

The sun's rays reach the ground in Denver during 71 percent of daylight hours on average in August, for a total of 301 hours in the month. Typically on 10 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in August at Denver lasts for 13 hours and 40 minutes a day on average. The longest day of the month is the 1st with 14 hours and 13 minutes of daylight. By the end of the month, the days have shortened to 13:05 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humidity

49 %	August average humidity

The relative humidity in Denver during August usually peaks at 69 percent in the morning then drops to 30 percent by early afternoon.

Local Time	2 am	5 am	8 am	11 am	2 pm	5 pm	8 pm	11 pm
Humidity %	65	69	53	36	30	35	49	58

Wind

8.1 mph

August wind speed average

13.0 kph

August is a little less windy than most other months in Denver.

Storms

1 day	rainfall of 0.5 inches (13 mm) or more
9 days	with thunderstorms in August

About once every two years, an inch (25 mm) or more of rain drenches Denver in one day during August.