Montclair December Weather Averages

California, United States of America

December Weather Averages for Montclair

High Temp18°C64°F
Low Temp8°C46°F
Avg Temp12°C54°F
Sunshine Hours279 hours 
Rainfall108.73 mm4.28 In
Rain days4 days 
Pressure1018 mb31 In

 

Montclair December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200916°C / 60°F5°C / 41°F9°C / 49°F260 hours90.22 mm / 3.55 In5 days1017 mb / 31 In
201017°C / 63°F7°C / 44°F11°C / 52°F257 hours356.94 mm / 14.05 In8 days1017 mb / 30 In
201117°C / 63°F5°C / 41°F10°C / 50°F344 hours16.04 mm / 0.63 In2 days1020 mb / 31 In
201216°C / 60°F6°C / 43°F10°C / 50°F281 hours51.90 mm / 2.04 In8 days1017 mb / 31 In
201319°C / 66°F7°C / 44°F12°C / 53°F339 hours14.10 mm / 0.56 In2 days1019 mb / 31 In
201416°C / 61°F8°C / 46°F11°C / 52°F262 hours111.30 mm / 4.38 In6 days1018 mb / 31 In
201517°C / 63°F6°C / 43°F11°C / 52°F330 hours30.60 mm / 1.20 In2 days1018 mb / 31 In
201617°C / 63°F7°C / 45°F12°C / 53°F289 hours123.15 mm / 4.85 In6 days1018 mb / 31 In
201723°C / 73°F11°C / 52°F16°C / 61°F347 hours0.00 mm / 0.00 In0 days1020 mb / 31 In
201819°C / 66°F10°C / 50°F14°C / 57°F308 hours54.07 mm / 2.13 In4 days1019 mb / 31 In
201916°C / 61°F8°C / 47°F12°C / 53°F211 hours122.89 mm / 4.84 In5 days1018 mb / 31 In
202019°C / 66°F9°C / 48°F13°C / 56°F316 hours27.75 mm / 1.09 In1 days1020 mb / 31 In
202116°C / 61°F7°C / 44°F11°C / 51°F202 hours204.10 mm / 8.04 In8 days1016 mb / 30 In
202216°C / 60°F7°C / 44°F11°C / 51°F196 hours81.40 mm / 3.20 In3 days1018 mb / 31 In
202319°C / 66°F9°C / 48°F13°C / 56°F249 hours46.75 mm / 1.84 In2 days1018 mb / 31 In
202420°C / 68°F10°C / 51°F14°C / 58°F293 hours0.00 mm / 0.00 In0 days1020 mb / 31 In
202520°C / 68°F12°C / 53°F15°C / 59°F266 hours517.20 mm / 20.36 In3 days1018 mb / 31 In

Need more than one day of Montclair history?

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

  • Historical weatherDaily and hourly interval data.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
  • CSV formatReady for Excel, Python, R or your database.
Buy historical weather data Or use the History API

Weather history near Montclair

Region

California

See the Montclair 14-day forecast »

Hotels near Montclair

Montclair weather history: common questions

How far back does Montclair 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 Montclair 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.

Get your free weather API key in a minute

100,000 calls a month, free for commercial use. No credit card.

Sign up free Read the docs