Walla Walla December Weather Averages

Washington, United States of America

December Weather Averages for Walla Walla

High Temp4°C40°F
Low Temp-2°C29°F
Avg Temp1°C34°F
Sunshine Hours136 hours 
Rainfall101.72 mm4.00 In
Rain days10 days 
Pressure1021 mb31 In

 

Walla Walla December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
20092°C / 35°F-5°C / 23°F-2°C / 28°F198 hours44.82 mm / 1.76 In5 days1023 mb / 31 In
20104°C / 39°F-3°C / 26°F0°C / 32°F94 hours88.31 mm / 3.48 In13 days1017 mb / 30 In
20114°C / 40°F-4°C / 26°F-0°C / 31°F247 hours25.10 mm / 0.99 In4 days1027 mb / 31 In
20125°C / 41°F-1°C / 30°F2°C / 35°F100 hours50.17 mm / 1.98 In10 days1015 mb / 30 In
20133°C / 37°F-5°C / 23°F-1°C / 30°F176 hours49.77 mm / 1.96 In8 days1026 mb / 31 In
20145°C / 41°F-1°C / 30°F2°C / 35°F167 hours73.25 mm / 2.88 In10 days1020 mb / 31 In
20155°C / 40°F-2°C / 29°F1°C / 35°F111 hours104.64 mm / 4.12 In15 days1017 mb / 31 In
20160°C / 33°F-7°C / 19°F-3°C / 26°F158 hours72.57 mm / 2.86 In15 days1023 mb / 31 In
20174°C / 38°F-3°C / 27°F0°C / 32°F197 hours70.62 mm / 2.78 In8 days1029 mb / 31 In
20186°C / 43°F-0°C / 31°F3°C / 37°F200 hours62.10 mm / 2.44 In6 days1023 mb / 31 In
20197°C / 44°F-1°C / 31°F3°C / 37°F136 hours24.40 mm / 0.96 In6 days1019 mb / 31 In
20206°C / 42°F-1°C / 31°F2°C / 36°F148 hours44.70 mm / 1.76 In9 days1024 mb / 31 In
20214°C / 39°F-2°C / 29°F1°C / 34°F73 hours73.40 mm / 2.89 In15 days1013 mb / 30 In
20221°C / 33°F-5°C / 24°F-2°C / 28°F35 hours52.80 mm / 2.08 In11 days1020 mb / 31 In
20238°C / 46°F2°C / 35°F4°C / 40°F139 hours134.04 mm / 5.28 In10 days1020 mb / 31 In
20246°C / 42°F2°C / 35°F3°C / 38°F50 hours301.77 mm / 11.88 In11 days1022 mb / 31 In
20259°C / 47°F4°C / 38°F6°C / 42°F82 hours456.80 mm / 17.98 In11 days1018 mb / 31 In

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Weather history near Walla Walla

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Walla Walla weather history: common questions

How far back does Walla Walla 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 Walla Walla 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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