Diamond Bar January Weather Averages

California, United States of America

January Weather Averages for Diamond Bar

High Temp18°C64°F
Low Temp9°C48°F
Avg Temp13°C55°F
Sunshine Hours277 hours 
Rainfall81.65 mm3.21 In
Rain days4 days 
Pressure1019 mb31 In

 

Diamond Bar January Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200919°C / 66°F8°C / 47°F13°C / 55°F307 hours11.30 mm / 0.44 In2 days1021 mb / 31 In
201016°C / 62°F7°C / 45°F11°C / 52°F281 hours201.96 mm / 7.95 In7 days1016 mb / 30 In
201117°C / 63°F7°C / 45°F11°C / 52°F313 hours18.91 mm / 0.74 In3 days1020 mb / 31 In
201219°C / 66°F8°C / 46°F13°C / 55°F319 hours23.80 mm / 0.94 In2 days1020 mb / 31 In
201316°C / 61°F5°C / 41°F10°C / 50°F290 hours18.90 mm / 0.74 In2 days1021 mb / 31 In
201421°C / 70°F9°C / 49°F15°C / 58°F333 hours2.60 mm / 0.10 In1 days1019 mb / 31 In
201520°C / 68°F9°C / 48°F14°C / 57°F304 hours18.80 mm / 0.74 In4 days1020 mb / 31 In
201617°C / 62°F7°C / 45°F12°C / 53°F221 hours104.54 mm / 4.12 In4 days1019 mb / 31 In
201715°C / 60°F7°C / 45°F11°C / 52°F242 hours217.93 mm / 8.58 In10 days1019 mb / 31 In
201822°C / 72°F12°C / 54°F17°C / 62°F329 hours61.12 mm / 2.41 In2 days1020 mb / 31 In
201918°C / 64°F10°C / 50°F14°C / 56°F257 hours122.60 mm / 4.83 In7 days1020 mb / 31 In
202018°C / 65°F10°C / 50°F13°C / 56°F299 hours7.40 mm / 0.29 In0 days1020 mb / 31 In
202119°C / 66°F10°C / 50°F14°C / 57°F284 hours64.04 mm / 2.52 In3 days1018 mb / 31 In
202219°C / 66°F9°C / 49°F13°C / 56°F264 hours8.50 mm / 0.33 In1 days1019 mb / 31 In
202315°C / 59°F8°C / 46°F11°C / 51°F197 hours203.10 mm / 8.00 In10 days1018 mb / 31 In
202416°C / 61°F10°C / 50°F13°C / 55°F269 hours45.27 mm / 1.78 In3 days1017 mb / 31 In
202517°C / 63°F8°C / 47°F12°C / 54°F264 hours32.32 mm / 1.27 In2 days1021 mb / 31 In
202619°C / 67°F11°C / 51°F15°C / 58°F211 hours306.60 mm / 12.07 In5 days1020 mb / 31 In

Need more than one day of Diamond Bar history?

Download historical weather for Diamond Bar, 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.
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  • Monthly climate averagesLong-term climate normals by month.
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Buy historical weather data Or use the History API

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Diamond Bar weather history: common questions

How far back does Diamond Bar 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 Diamond Bar 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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