Boulder August Weather Averages

Colorado, United States of America

August Weather Averages for Boulder

High Temp27°C81°F
Low Temp15°C59°F
Avg Temp21°C69°F
Sunshine Hours289 hours 
Rainfall37.58 mm1.48 In
Rain days8 days 
Pressure1016 mb30 In

 

Boulder August Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200926°C / 78°F13°C / 55°F19°C / 66°F299 hours20.60 mm / 0.81 In9 days1017 mb / 30 In
201027°C / 80°F14°C / 57°F20°C / 69°F311 hours38.73 mm / 1.52 In7 days1015 mb / 30 In
201128°C / 83°F16°C / 61°F22°C / 71°F320 hours17.18 mm / 0.68 In8 days1015 mb / 30 In
201227°C / 81°F15°C / 59°F21°C / 70°F323 hours4.31 mm / 0.17 In2 days1016 mb / 30 In
201327°C / 81°F15°C / 59°F21°C / 70°F322 hours23.99 mm / 0.94 In9 days1017 mb / 30 In
201425°C / 76°F13°C / 55°F19°C / 65°F304 hours38.00 mm / 1.50 In12 days1016 mb / 30 In
201527°C / 80°F14°C / 57°F20°C / 68°F312 hours40.28 mm / 1.59 In7 days1016 mb / 30 In
201624°C / 76°F13°C / 55°F18°C / 65°F271 hours36.20 mm / 1.43 In6 days1017 mb / 31 In
201724°C / 75°F13°C / 56°F19°C / 66°F292 hours77.64 mm / 3.06 In13 days1017 mb / 31 In
201825°C / 77°F14°C / 57°F19°C / 67°F313 hours42.23 mm / 1.66 In7 days1016 mb / 30 In
201926°C / 80°F15°C / 60°F21°C / 69°F319 hours37.64 mm / 1.48 In10 days1016 mb / 30 In
202029°C / 85°F16°C / 60°F23°C / 73°F293 hours16.84 mm / 0.66 In7 days1015 mb / 30 In
202129°C / 84°F16°C / 60°F22°C / 72°F281 hours46.36 mm / 1.83 In7 days1012 mb / 30 In
202229°C / 83°F16°C / 62°F22°C / 72°F262 hours52.87 mm / 2.08 In13 days1014 mb / 30 In
202329°C / 83°F15°C / 59°F21°C / 70°F271 hours57.30 mm / 2.26 In8 days1015 mb / 30 In
202428°C / 82°F17°C / 62°F21°C / 71°F245 hours29.63 mm / 1.17 In0 days1015 mb / 30 In
202529°C / 84°F17°C / 62°F23°C / 73°F224 hours53.80 mm / 2.12 In1 days1016 mb / 30 In
202631°C / 89°F15°C / 59°F23°C / 73°F244 hours42.86 mm / 1.69 In12 days1014 mb / 30 In

Need more than one day of Boulder history?

Download historical weather for Boulder, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

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Boulder weather history: common questions

How far back does Boulder weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Boulder historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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