Clearlake December Weather Averages

California, United States of America

December Weather Averages for Clearlake

High Temp12°C54°F
Low Temp4°C40°F
Avg Temp8°C46°F
Sunshine Hours193 hours 
Rainfall190.46 mm7.50 In
Rain days7 days 
Pressure1020 mb31 In

 

Clearlake December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200910°C / 51°F3°C / 38°F6°C / 43°F180 hours85.48 mm / 3.37 In6 days1018 mb / 31 In
201010°C / 50°F4°C / 39°F7°C / 44°F100 hours233.67 mm / 9.20 In11 days1016 mb / 30 In
201113°C / 56°F3°C / 37°F7°C / 45°F313 hours2.40 mm / 0.09 In1 days1023 mb / 31 In
201210°C / 50°F3°C / 37°F6°C / 43°F178 hours320.77 mm / 12.63 In9 days1017 mb / 31 In
201314°C / 57°F3°C / 37°F7°C / 45°F340 hours10.36 mm / 0.41 In1 days1021 mb / 31 In
201412°C / 53°F6°C / 43°F8°C / 47°F114 hours297.33 mm / 11.71 In12 days1019 mb / 31 In
201510°C / 50°F3°C / 37°F6°C / 43°F171 hours161.00 mm / 6.34 In10 days1020 mb / 31 In
201611°C / 51°F2°C / 36°F6°C / 43°F244 hours151.12 mm / 5.95 In6 days1020 mb / 31 In
201716°C / 60°F5°C / 42°F10°C / 49°F246 hours2.90 mm / 0.11 In0 days1023 mb / 31 In
201812°C / 54°F5°C / 41°F8°C / 47°F236 hours81.47 mm / 3.21 In6 days1021 mb / 31 In
201911°C / 52°F5°C / 40°F8°C / 46°F142 hours237.97 mm / 9.37 In11 days1018 mb / 31 In
202014°C / 57°F5°C / 40°F9°C / 48°F246 hours45.40 mm / 1.79 In4 days1022 mb / 31 In
202111°C / 52°F3°C / 38°F7°C / 44°F191 hours158.20 mm / 6.23 In11 days1016 mb / 30 In
202211°C / 51°F3°C / 38°F6°C / 43°F122 hours221.20 mm / 8.71 In12 days1018 mb / 31 In
202313°C / 55°F6°C / 42°F9°C / 47°F154 hours108.34 mm / 4.27 In7 days1019 mb / 31 In
202413°C / 55°F8°C / 46°F10°C / 50°F123 hours537.94 mm / 21.18 In10 days1022 mb / 31 In
202515°C / 59°F9°C / 48°F12°C / 53°F188 hours582.30 mm / 22.93 In9 days1019 mb / 31 In

Need more than one day of Clearlake history?

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

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Clearlake weather history: common questions

How far back does Clearlake 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 Clearlake 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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