Denver Weather in August
United States · Humid Continental climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
August in Denver sees average temperatures ranging from a low of 15.6°C (60.1°F) to a high of 31.6°C (88.9°F), with a mean of 23.4°C (74.1°F). Compared to the annual average of 10.0°C (50.0°F), this month is 13.4°C warmer than the yearly norm. Precipitation averages 27.8mm, making it approximately 6.0mm drier than the monthly average of 34.0mm. The city receives an average of 12.0 hours of sunshine per day during August, with relative humidity averaging 44.7%. Wind speeds reach an average maximum of 19.5 km/h. For travelers, this month offers a temperature experience in Denver, with drier-than-average conditions compared to the rest of the year.
Denver's mile-high altitude creates a unique climate with low humidity and intense sunshine. I've studied the data and found that the city receives over 300 days of sunshine annually, making it one of the sunniest major US cities. The best time for outdoor activities is May to October, when temperatures are warm and the Rocky Mountains are accessible. The winters are cold but dry, with plenty of sunshine.
August vs Adjacent Months
| Metric | July | August | September |
|---|---|---|---|
| Mean Temp | 24.0°C (75.2°F) | 23.4°C (74.1°F) | 19.1°C (66.4°F) |
| Rainfall | 26.1mm | 27.8mm | 22.5mm |
| Sunshine | 12.9 hrs | 12.0 hrs | 11.0 hrs |
| Humidity | 44.3% | 44.7% | 42.1% |
| Wind | 20.5 km/h | 19.5 km/h | 17.7 km/h |
| Rainy Days | 11.6 | 11.0 | 5.8 |
| Snowfall | 0.0 cm | 0.0 cm | 2.3 cm |
Seasonal Context
August falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Denver in August, the data indicates favorable conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Denver in August?
The average temperature in Denver during August ranges from 15.6°C (60.1°F) to 31.6°C (88.9°F), with a mean of 23.4°C (74.1°F).
How much does it rain in Denver in August?
Denver receives an average of 27.8mm of precipitation in August, spread across approximately 11.0 rainy days.
What should I pack for Denver in August?
Based on August weather data, pack layers including light jackets and t-shirts, plus an umbrella.
Is August a good time to visit Denver?
August is a good time to visit Denver, with comfortable temperatures and manageable rainfall.
Other Months for Denver
Cities with Similar August Climate (Humid Continental)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 39.74°, -104.99°. Timezone: America/Denver. Last updated: 2026-07-30.