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Denver weather in August 2025
Expect daytime maximum temperatures of 30°C in Denver in August based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 40 mm of rainfall in the month.
- 30°C max day temperature
30 - 10 hours of sunshine per day
- 9 days with some rainfall
9 - 14°C min night temperature
14 - 14 hours of daylight per day
14 - Moderate heat & humidity
M - 40 mm of monthly rainfall
40 - 10 (Very High) UV index
10
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The August weather guide for Colorado (Denver) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Denver in August?
Daytime temperatures usually reach 30°C in Denver in August with moderate heat and humidity, falling to 14°C at night.
How sunny is it in Denver in August?
There are normally 10 hours of bright sunshine each day in Denver in August - that's 72% of daylight hours.
Does it rain in Denver in August?
There are usually 9 days with some rain in Denver in August and the average monthly rainfall is 40mm.
Denver August sunrise & sunset times
Browse the sunrise and sunset times for Denver in August 2025. Select a month to view Denver sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 04:59 | 19:13 |
| Saturday, 16th August 2025 | 05:13 | 18:54 |
| Sunday, 31st August 2025 | 05:27 | 18:32 |
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