Washington May Weather Averages

Pennsylvania, United States of America

May Weather Averages for Washington

High Temp21°C70°F
Low Temp11°C52°F
Avg Temp16°C61°F
Sunshine Hours163 hours 
Rainfall147.21 mm5.80 In
Rain days12 days 
Pressure1016 mb30 In

 

Washington May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200921°C / 69°F11°C / 51°F16°C / 60°F181 hours133.23 mm / 5.25 In12 days1016 mb / 30 In
201023°C / 73°F12°C / 53°F17°C / 63°F222 hours200.80 mm / 7.91 In8 days1016 mb / 30 In
201122°C / 72°F11°C / 52°F16°C / 62°F153 hours169.38 mm / 6.67 In16 days1014 mb / 30 In
201225°C / 77°F13°C / 55°F19°C / 66°F233 hours103.67 mm / 4.08 In11 days1015 mb / 30 In
201322°C / 72°F10°C / 51°F16°C / 61°F219 hours59.10 mm / 2.33 In8 days1017 mb / 31 In
201421°C / 70°F10°C / 50°F16°C / 60°F160 hours119.91 mm / 4.72 In12 days1017 mb / 30 In
201524°C / 76°F13°C / 55°F18°C / 65°F234 hours45.40 mm / 1.79 In9 days1020 mb / 31 In
201620°C / 68°F10°C / 50°F15°C / 59°F121 hours107.70 mm / 4.24 In14 days1015 mb / 30 In
201720°C / 69°F10°C / 50°F15°C / 59°F131 hours167.08 mm / 6.58 In12 days1012 mb / 30 In
201825°C / 76°F15°C / 59°F19°C / 67°F167 hours139.44 mm / 5.49 In17 days1016 mb / 30 In
201922°C / 72°F13°C / 55°F17°C / 63°F182 hours163.81 mm / 6.45 In14 days1014 mb / 30 In
202018°C / 64°F9°C / 48°F13°C / 56°F107 hours91.63 mm / 3.61 In10 days1016 mb / 30 In
202119°C / 66°F10°C / 49°F14°C / 57°F98 hours111.97 mm / 4.41 In9 days1020 mb / 31 In
202222°C / 72°F11°C / 52°F17°C / 62°F147 hours176.10 mm / 6.93 In13 days1016 mb / 30 In
202320°C / 68°F9°C / 48°F14°C / 58°F205 hours79.50 mm / 3.13 In11 days1017 mb / 31 In
202421°C / 70°F12°C / 54°F17°C / 62°F130 hours144.71 mm / 5.70 In5 days1012 mb / 30 In
202519°C / 66°F11°C / 52°F15°C / 59°F55 hours500.50 mm / 19.70 In14 days1014 mb / 30 In
202619°C / 67°F9°C / 49°F14°C / 58°F195 hours135.80 mm / 5.35 In17 days1016 mb / 30 In

Need more than one day of Washington history?

Download historical weather for Washington, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

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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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