August · United States
Best time to visit Denver in August Weather, crowds & prices
Weather in Denver in August
Average temperature 23°C, 42 mm of rain, about 30 days with 6+ hours of sunshine and 47% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
9.2/10
Ranked #3 of 12 months
- Avg temp
- 23°C
- Rainfall
- 42 mm
- Humidity
- 47%
- Days with 6h+ sun
- 30
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Denver scores 9.2/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 23°C, 42 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Mile-high parks, craft breweries, and Front Range day trips peak May through September.
August is one of the strongest months in Denver (3rd)
August averages 23°C (74°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Expect 42 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 13.7 daylight hours.
A 9.2/10 puts this among the year's best months in Denver (3rd of 12); only September scores higher, at 9.9/10.
Pack light clothing, a hat and real sun protection.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Denver in August?
- In August, Denver averages 23°C, 42 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 9.2/10.
- Is August a good time to visit Denver?
- August earns a 9.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Denver in August?
- Expect about 42 mm of rain in August. Average humidity is 47% and there are about 30 days with 6+ hours of sunshine.
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