Boulder weather in August (Colorado, United States of America)
Can you expect sunny skies in Boulder in August? Here’s a detailed forecast of the month’s weather patterns.
Temperatures
The weather in Boulder is usually perfect in August, featuring very high temperatures and low rainfall. The summer season is characteristic of August. Expect daytime highs to reach approximately 30°C, with nighttime lows dipping to around 14°C. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.
Precipitation
Boulder in August usually receives low rainfall, averaging around 29 mm for the month. Expect around 10 days of rain based on historical data.Average sunshine
Expect sunny days throughout the month, with an estimated 306 hours of sunshine. Making it a pleasant time to visit Boulder.If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit. May, June, August and September generally stand out with the best circumstances. While December tends to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Boulder climate page with graphs.
Boulder, monthly averages in August
Min Temperature
14°C
Max Temperature
30°C
Chance of Rain
34%
Precipitation
29 mm
Rainy days
10 days
Humidity
48% *
Sunshine
306 hours *
Percentage Sunshine
72% *
Where to go in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Boulder.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
