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Colorado weather in August 2025
Expect 30°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Colorado in August. Check more long-term weather averages for Colorado in August before you book your next holiday to Colorado in 2025/2026.
- 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.
Top Colorado destinations
Below are average maximum temperatures at popular countries, regions and places in Colorado in August. Select a holiday destination to see more weather parameters.
All Colorado destinations
- Alamosa
- Aspen
- Breckenridge
- Colorado Springs
- Denver
- Durango
- Estes Park
- Fort Collins
- Glenwood Springs
- Grand Junction
- Pueblo
- Telluride
- Vail
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Colorado in August?
Daytime temperatures usually reach 30°C in Denver, Colorado in August with moderate heat and humidity, falling to 14°C at night.
How sunny is it in Colorado in August?
There are normally 10 hours of bright sunshine each day in Denver, Colorado in August - that's 72% of daylight hours.
Does it rain in Colorado in August?
There are usually 9 days with some rain in Denver, Colorado in August and the average monthly rainfall is 40mm.
Colorado August sunrise & sunset times
Browse the sunrise and sunset times for Colorado in August 2025. Select a month to view Colorado sunrise and sunset times for the next 12 months. The Colorado sunrise and sunset times shown below are for Denver.
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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