Boulder Weather in August

What's the weather like in Boulder (Colorado) in August 2024?

The climate in Boulder during August can be summarized as warm and reasonably dry.

August is in the summer in Boulder and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 12°C (54°F) is normal.

Boulder weather averages (imperial / metric)
Daytime temperature 28.2°C 82.8°F
Nightly temperature 12°C 53.6°F
Average temperature 20.1°C 68.2°F
Daily sunshine 10.5 hrs
Avg rainfall 36 mm 1.4 ins
Rainy days 9 days
Sea temperature 18.4°C 65.1°F
Humidity 48%
Windspeed 14.8kph 9 mph

On average August is the 6th driest month of the year in Boulder with around 36mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.5 hours of sunshine per day.

August temperatures in Boulder

Boulder average temperature in August

August rainfall

Boulder average rain in August

August hourly sunshine

Boulder average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Boulder in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Boulder weather stats

Boulder weather statistics
Hottest month: July 29.2°C 84.6°F
Driest month: January 17mm 0.7ins
Sunniest month: September 9.6hrs
Coldest month: January 5.5°C 41.9°F
Wettest month: May 78mm 3.1ins
Map showing location of Boulder (40.01499, -105.27055) Boulder map pin © Google

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