December Weather Averages for Sion

High Temp1°C34°F
Low Temp-6°C21°F
Avg Temp-3°C27°F
Sunshine Hours162 hours 
Rainfall175.98 mm6.93 In
Rain days14 days 
Pressure1021 mb31 In

 

Sion December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
2009-0°C / 31°F-8°C / 17°F-4°C / 25°F98 hours170.51 mm / 6.71 In19 days1010 mb / 30 In
2010-2°C / 29°F-11°C / 13°F-6°C / 21°F103 hours151.49 mm / 5.96 In17 days1014 mb / 30 In
20112°C / 35°F-5°C / 22°F-2°C / 29°F89 hours353.20 mm / 13.91 In21 days1021 mb / 31 In
2012-1°C / 31°F-9°C / 16°F-4°C / 24°F112 hours274.27 mm / 10.80 In21 days1018 mb / 31 In
20132°C / 36°F-7°C / 20°F-2°C / 28°F259 hours77.54 mm / 3.05 In6 days1025 mb / 31 In
20142°C / 36°F-4°C / 25°F-1°C / 31°F102 hours114.60 mm / 4.51 In13 days1022 mb / 31 In
20154°C / 39°F-5°C / 24°F-1°C / 31°F218 hours30.76 mm / 1.21 In5 days1029 mb / 31 In
20164°C / 40°F-4°C / 24°F-1°C / 31°F314 hours0.80 mm / 0.03 In1 days1030 mb / 31 In
2017-2°C / 29°F-9°C / 16°F-5°C / 23°F109 hours288.16 mm / 11.34 In19 days1020 mb / 31 In
20181°C / 34°F-5°C / 22°F-2°C / 28°F133 hours326.89 mm / 12.87 In15 days1024 mb / 31 In
20192°C / 36°F-3°C / 26°F-1°C / 31°F161 hours219.64 mm / 8.65 In13 days1018 mb / 31 In
20201°C / 34°F-5°C / 23°F-2°C / 28°F106 hours155.10 mm / 6.11 In20 days1012 mb / 30 In
20211°C / 34°F-6°C / 21°F-2°C / 28°F164 hours216.80 mm / 8.54 In15 days1020 mb / 31 In
20223°C / 38°F-5°C / 24°F-1°C / 31°F149 hours151.70 mm / 5.97 In13 days1019 mb / 31 In
20230°C / 33°F-7°C / 20°F-3°C / 26°F168 hours290.04 mm / 11.42 In15 days1022 mb / 31 In
20240°C / 32°F-8°C / 18°F-5°C / 24°F222 hours140.02 mm / 5.51 In12 days1027 mb / 31 In
20252°C / 36°F-4°C / 24°F-2°C / 28°F248 hours30.10 mm / 1.19 In7 days1021 mb / 31 In

Need more than one day of Sion history?

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Sion weather history: common questions

How far back does Sion 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 Sion 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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