Washington December Weather Averages

Pennsylvania, United States of America

December Weather Averages for Washington

High Temp5°C41°F
Low Temp-2°C29°F
Avg Temp1°C35°F
Sunshine Hours91 hours 
Rainfall113.49 mm4.47 In
Rain days9 days 
Pressure1020 mb31 In

 

Washington December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
20093°C / 37°F-4°C / 25°F-1°C / 31°F122 hours87.82 mm / 3.46 In9 days1019 mb / 31 In
2010-2°C / 29°F-8°C / 18°F-5°C / 23°F24 hours45.47 mm / 1.79 In8 days1018 mb / 31 In
20116°C / 43°F-0°C / 32°F3°C / 37°F147 hours86.30 mm / 3.40 In9 days1022 mb / 31 In
20126°C / 44°F1°C / 33°F4°C / 38°F80 hours167.93 mm / 6.61 In15 days1017 mb / 30 In
20134°C / 39°F-3°C / 27°F1°C / 33°F88 hours124.10 mm / 4.89 In11 days1021 mb / 31 In
20145°C / 41°F-1°C / 30°F2°C / 35°F110 hours79.60 mm / 3.13 In8 days1022 mb / 31 In
201511°C / 51°F4°C / 39°F7°C / 45°F54 hours108.60 mm / 4.28 In10 days1018 mb / 31 In
20163°C / 38°F-3°C / 26°F0°C / 32°F60 hours102.94 mm / 4.05 In10 days1022 mb / 31 In
20172°C / 36°F-4°C / 24°F-1°C / 30°F112 hours50.70 mm / 2.00 In7 days1020 mb / 31 In
20186°C / 42°F-1°C / 31°F2°C / 36°F110 hours126.06 mm / 4.96 In9 days1020 mb / 31 In
20196°C / 43°F-1°C / 31°F3°C / 37°F115 hours130.63 mm / 5.14 In11 days1018 mb / 31 In
20203°C / 38°F-3°C / 27°F0°C / 33°F59 hours95.30 mm / 3.75 In11 days1018 mb / 31 In
20219°C / 49°F1°C / 34°F5°C / 41°F125 hours111.90 mm / 4.41 In8 days1018 mb / 31 In
20225°C / 41°F-2°C / 28°F1°C / 34°F94 hours61.10 mm / 2.41 In12 days1021 mb / 31 In
20238°C / 46°F1°C / 34°F4°C / 40°F112 hours133.10 mm / 5.24 In7 days1020 mb / 31 In
20244°C / 39°F-1°C / 30°F1°C / 34°F83 hours281.33 mm / 11.08 In9 days1023 mb / 31 In
20252°C / 36°F-4°C / 25°F-1°C / 30°F54 hours136.50 mm / 5.37 In4 days1019 mb / 31 In

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Weather history near Washington

Region

Pennsylvania

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Washington weather history: common questions

How far back does Washington 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 Washington 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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