December Weather Averages for Alliston

High Temp-0°C32°F
Low Temp-5°C23°F
Avg Temp-2°C28°F
Sunshine Hours53 hours 
Rainfall92.37 mm3.64 In
Rain days12 days 
Pressure1017 mb31 In

 

Alliston December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
2009-2°C / 29°F-7°C / 20°F-4°C / 25°F54 hours73.30 mm / 2.89 In12 days1017 mb / 31 In
2010-4°C / 25°F-9°C / 16°F-6°C / 21°F16 hours56.77 mm / 2.23 In11 days1014 mb / 30 In
20111°C / 34°F-4°C / 24°F-1°C / 29°F111 hours74.21 mm / 2.92 In16 days1019 mb / 31 In
20121°C / 33°F-4°C / 26°F-1°C / 30°F36 hours65.53 mm / 2.58 In13 days1015 mb / 30 In
2013-4°C / 25°F-10°C / 14°F-7°C / 20°F23 hours71.62 mm / 2.82 In18 days1018 mb / 31 In
2014-0°C / 32°F-4°C / 24°F-2°C / 28°F56 hours56.20 mm / 2.21 In10 days1020 mb / 31 In
20155°C / 42°F1°C / 33°F3°C / 37°F61 hours68.39 mm / 2.69 In11 days1016 mb / 30 In
2016-0°C / 31°F-5°C / 22°F-3°C / 27°F28 hours85.47 mm / 3.36 In16 days1017 mb / 31 In
2017-3°C / 26°F-9°C / 15°F-6°C / 21°F39 hours44.50 mm / 1.75 In14 days1017 mb / 31 In
20181°C / 33°F-5°C / 23°F-2°C / 29°F63 hours63.81 mm / 2.51 In11 days1018 mb / 31 In
2019-0°C / 32°F-6°C / 22°F-3°C / 27°F58 hours64.60 mm / 2.54 In16 days1016 mb / 30 In
2020-0°C / 32°F-5°C / 23°F-2°C / 28°F56 hours103.80 mm / 4.09 In14 days1014 mb / 30 In
20213°C / 37°F-3°C / 27°F-0°C / 32°F53 hours72.70 mm / 2.86 In13 days1015 mb / 30 In
20221°C / 34°F-4°C / 25°F-1°C / 29°F70 hours99.80 mm / 3.93 In18 days1017 mb / 31 In
20233°C / 37°F-1°C / 30°F1°C / 34°F74 hours88.56 mm / 3.49 In8 days1018 mb / 31 In
2024-0°C / 31°F-4°C / 26°F-2°C / 28°F54 hours188.83 mm / 7.43 In3 days1019 mb / 31 In
2025-2°C / 29°F-7°C / 19°F-4°C / 24°F46 hours292.20 mm / 11.50 In3 days1014 mb / 30 In

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Weather history near Alliston

Region

Ontario

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Alliston weather history: common questions

How far back does Alliston 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 Alliston 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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