Boulder December Weather Averages

Western Australia, Australia

December Weather Averages for Boulder

High Temp32°C89°F
Low Temp18°C64°F
Avg Temp25°C77°F
Sunshine Hours319 hours 
Rainfall15.64 mm0.62 In
Rain days2 days 
Pressure1012 mb30 In

 

Boulder December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200932°C / 90°F17°C / 63°F25°C / 78°F335 hours6.97 mm / 0.27 In2 days1014 mb / 30 In
201030°C / 86°F16°C / 61°F23°C / 74°F300 hours12.60 mm / 0.50 In2 days1010 mb / 30 In
201129°C / 84°F17°C / 63°F23°C / 74°F266 hours42.69 mm / 1.68 In4 days1010 mb / 30 In
201232°C / 90°F19°C / 66°F26°C / 79°F340 hours6.00 mm / 0.24 In1 days1013 mb / 30 In
201331°C / 88°F18°C / 64°F25°C / 77°F313 hours45.63 mm / 1.80 In4 days1012 mb / 30 In
201431°C / 87°F17°C / 62°F24°C / 75°F338 hours21.80 mm / 0.86 In1 days1012 mb / 30 In
201531°C / 88°F17°C / 63°F25°C / 76°F325 hours6.50 mm / 0.26 In3 days1012 mb / 30 In
201630°C / 86°F16°C / 61°F23°C / 74°F329 hours52.17 mm / 2.05 In2 days1010 mb / 30 In
201731°C / 88°F18°C / 65°F25°C / 77°F304 hours1.10 mm / 0.04 In0 days1011 mb / 30 In
201832°C / 90°F19°C / 66°F26°C / 78°F328 hours22.82 mm / 0.90 In3 days1011 mb / 30 In
201936°C / 96°F21°C / 70°F29°C / 84°F343 hours9.99 mm / 0.39 In3 days1013 mb / 30 In
202030°C / 87°F17°C / 63°F24°C / 76°F287 hours6.00 mm / 0.24 In2 days1013 mb / 30 In
202133°C / 91°F17°C / 63°F25°C / 78°F348 hours0.10 mm / 0.00 In0 days1012 mb / 30 In
202231°C / 88°F17°C / 62°F24°C / 75°F287 hours2.40 mm / 0.09 In1 days1011 mb / 30 In
202334°C / 92°F17°C / 62°F25°C / 77°F312 hours3.14 mm / 0.12 In1 days1012 mb / 30 In
202434°C / 93°F19°C / 66°F27°C / 80°F337 hours20.68 mm / 0.81 In1 days1010 mb / 30 In
202533°C / 91°F17°C / 63°F26°C / 78°F324 hours5.20 mm / 0.20 In0 days1012 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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