May Weather Averages for Portland

High Temp15°C60°F
Low Temp12°C53°F
Avg Temp13°C56°F
Sunshine Hours110 hours 
Rainfall78.94 mm3.11 In
Rain days6 days 
Pressure1020 mb31 In

 

Portland May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200816°C / 60°F12°C / 54°F14°C / 57°F162 hours52.54 mm / 2.07 In5 days1020 mb / 31 In
200915°C / 60°F13°C / 55°F14°C / 57°F110 hours55.53 mm / 2.19 In4 days1023 mb / 31 In
201015°C / 60°F12°C / 53°F14°C / 57°F189 hours61.03 mm / 2.40 In6 days1018 mb / 31 In
201114°C / 58°F11°C / 53°F13°C / 55°F84 hours58.69 mm / 2.31 In7 days1021 mb / 31 In
201215°C / 59°F12°C / 54°F14°C / 57°F108 hours49.87 mm / 1.96 In4 days1021 mb / 31 In
201316°C / 61°F13°C / 55°F14°C / 58°F158 hours92.15 mm / 3.63 In6 days1019 mb / 31 In
201416°C / 61°F13°C / 56°F15°C / 58°F136 hours111.64 mm / 4.40 In6 days1017 mb / 31 In
201515°C / 59°F12°C / 53°F13°C / 56°F94 hours84.62 mm / 3.33 In7 days1020 mb / 31 In
201616°C / 61°F13°C / 55°F14°C / 58°F71 hours117.92 mm / 4.64 In8 days1013 mb / 30 In
201715°C / 59°F12°C / 53°F13°C / 56°F98 hours69.03 mm / 2.72 In9 days1021 mb / 31 In
201815°C / 60°F12°C / 54°F14°C / 57°F80 hours104.19 mm / 4.10 In9 days1023 mb / 31 In
201915°C / 60°F12°C / 53°F13°C / 56°F124 hours97.19 mm / 3.83 In7 days1019 mb / 31 In
202014°C / 57°F10°C / 49°F12°C / 53°F75 hours87.44 mm / 3.44 In6 days1020 mb / 31 In
202115°C / 59°F10°C / 51°F13°C / 55°F99 hours63.00 mm / 2.48 In5 days1022 mb / 31 In
202215°C / 59°F11°C / 52°F13°C / 55°F104 hours77.30 mm / 3.04 In6 days1019 mb / 31 In
202315°C / 59°F11°C / 51°F13°C / 55°F64 hours115.20 mm / 4.54 In7 days1021 mb / 31 In
202416°C / 60°F10°C / 50°F13°C / 55°F172 hours18.22 mm / 0.72 In1 days1027 mb / 31 In
Victoria

 

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