Portland May Weather Averages

Texas, United States of America

May Weather Averages for Portland

High Temp28°C83°F
Low Temp23°C74°F
Avg Temp26°C78°F
Sunshine Hours190 hours 
Rainfall100.90 mm3.97 In
Rain days7 days 
Pressure1012 mb30 In

 

Portland May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200929°C / 84°F23°C / 74°F26°C / 78°F291 hours14.10 mm / 0.56 In2 days1012 mb / 30 In
201029°C / 84°F23°C / 74°F26°C / 78°F272 hours37.72 mm / 1.49 In6 days1011 mb / 30 In
201128°C / 83°F22°C / 72°F25°C / 77°F273 hours13.80 mm / 0.54 In2 days1011 mb / 30 In
201228°C / 83°F23°C / 73°F25°C / 77°F255 hours132.65 mm / 5.22 In5 days1012 mb / 30 In
201327°C / 81°F21°C / 70°F24°C / 75°F212 hours24.41 mm / 0.96 In4 days1013 mb / 30 In
201426°C / 80°F20°C / 69°F23°C / 74°F227 hours70.81 mm / 2.79 In5 days1014 mb / 30 In
201528°C / 82°F24°C / 76°F26°C / 79°F150 hours204.30 mm / 8.04 In12 days1013 mb / 30 In
201628°C / 83°F23°C / 74°F26°C / 78°F117 hours108.09 mm / 4.26 In12 days1013 mb / 30 In
201728°C / 82°F23°C / 73°F25°C / 78°F202 hours114.01 mm / 4.49 In6 days1012 mb / 30 In
201829°C / 84°F24°C / 75°F26°C / 79°F263 hours9.80 mm / 0.39 In4 days1013 mb / 30 In
201928°C / 82°F24°C / 75°F26°C / 78°F104 hours95.10 mm / 3.74 In8 days1010 mb / 30 In
202028°C / 83°F23°C / 74°F26°C / 78°F119 hours129.62 mm / 5.10 In11 days1012 mb / 30 In
202127°C / 81°F23°C / 73°F25°C / 77°F81 hours303.29 mm / 11.94 In11 days1013 mb / 30 In
202231°C / 88°F24°C / 76°F27°C / 81°F242 hours29.00 mm / 1.14 In3 days1011 mb / 30 In
202329°C / 85°F23°C / 74°F26°C / 79°F143 hours197.55 mm / 7.78 In11 days1013 mb / 30 In
202430°C / 86°F25°C / 78°F27°C / 81°F157 hours10.90 mm / 0.43 In1 days1008 mb / 30 In
202529°C / 84°F24°C / 75°F26°C / 78°F59 hours46.13 mm / 1.82 In4 days1012 mb / 30 In
202629°C / 84°F23°C / 73°F26°C / 78°F245 hours274.89 mm / 10.82 In16 days1012 mb / 30 In

Need more than one day of Portland history?

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

  • Historical weatherDaily and hourly interval data.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
  • CSV formatReady for Excel, Python, R or your database.
Buy historical weather data Or use the History API

Weather history near Portland

Region

Texas

See the Portland 14-day forecast »

Hotels near Portland

Portland weather history: common questions

How far back does Portland 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 Portland 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.

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, pollen, evapotranspiration, autocomplete, time zone, astronomy and sports data into your new or existing project.
Get Started