Portland, ME Climate in May

Temperature for May

In Portland, ME during May the average high temperature is 65.5°F. The hottest day on record was May 31, 1987 when the temperature hit 93.0°F.

Portland, ME daily average and extreme temperature range for May

Low Temperature

During May the overnight temperature drops to an average of 43.4°F, with the lowest temperature of 25.9°F being recorded on May 1, 1978. Overnight temperatures drop below freezing between 1 and 7 times in May.

Precipitation for May

In May the average monthly rainfall in Portland, ME is 4.46 inches with rain usually falling on between 14 and 15 days. 1975 was the driest May with only 0.58 inches of rain falling, and 1973 was the wettest May with 25.05 inches of rain. The wettest single day in May was 25 May 1973 when 5.98 inches of rain fell.

In May it usually snows on between 0 and 1 days. There are thunderstorms on between 1 and 2 days in May.

  BENCHMARKS  
Loading Time: Base Classes  0.0069
Controller Execution Time ( Climate / Summary )  0.1195
Total Execution Time  0.1264
  GET DATA  
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  MEMORY USAGE  
2,287,640 bytes
  POST DATA  
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  URI STRING  
climate/summary/united-states/maine/portland-intl-jetport/may
  CLASS/METHOD  
climate/summary
  DATABASE:  xrssweather0-climatespy   QUERIES: 11  (Hide)
0.0007   SELECT `locationId`, `cityName`, `urlName`, `urlState`, `stateName`, `stateCode`, `StationName`, `countryName`, `urlCountry`, `dd1`.`year` as earliestYear, `dd1`.`monthNo` as earliestMonth, `dd1`.`dayNo` as earliestDay, `dd2`.`year` as latestYear, `dd2`.`monthNo` as latestMonth, `dd2`.`dayNo` as latestDay
FROM 
(`dimLocation`)
JOIN `dimDatedd1 ON `dimLocation`.`beginDateId` = `dd1`.`dateId`
JOIN `dimDatedd2 ON `dimLocation`.`endDateId` = `dd2`.`dateId`
WHERE `urlState` =  'maine'
AND `urlName` =  'portland-intl-jetport'
LIMIT 1 
0.0006   SELECT `monthNo`, AVG(`meanMinTemp`) AS meanMinTempAVG(`meanMaxTemp`) AS meanMaxTemp
FROM 
(`aggMonthly`)
WHERE `monthNo` =  5
AND `locationId` =  '4036'
GROUP BY `monthNo
0.0006   SELECT `monthNo`, AVG(`meanMinTemp`) AS meanMinTempAVG(`meanMaxTemp`) AS meanMaxTemp
FROM 
(`aggMonthly`)
WHERE `monthNo` =  5
AND `locationId` =  '4036'
GROUP BY `monthNo
0.0016   SELECT `maxTemp`, `monthName`, `dayNo`, `dimDate`.`year`, `dimLocation`.`locationId`, `dimLocation`.`countryName`, `dimLocation`.`stateName`, `dimLocation`.`presentationName`, `dimLocation`.`urlCountry`, `dimLocation`.`urlState`, `dimLocation`.`urlName`
FROM (`aggMonthly`)
JOIN `dimLocationON `dimLocation`.`locationId` = `aggMonthly`.`locationId`
JOIN `dimDateON `dimDate`.`dateId` = `aggMonthly`.`maxTempDate`
WHERE `aggMonthly`.`locationId` =  '4036'
AND `dimDate`.`monthNo` =  5
ORDER BY 
`maxTempdesc
LIMIT 1 
0.0028   SELECT `minTemp`, `monthName`, `dayNo`, `dimDate`.`year`, `dimLocation`.`locationId`, `dimLocation`.`countryName`, `dimLocation`.`stateName`, `dimLocation`.`presentationName`, `dimLocation`.`urlCountry`, `dimLocation`.`urlState`, `dimLocation`.`urlName`
FROM (`aggMonthly`)
JOIN `dimLocationON `dimLocation`.`locationId` = `aggMonthly`.`locationId`
JOIN `dimDateON `dimDate`.`dateId` = `aggMonthly`.`minTempDate`
WHERE `aggMonthly`.`locationId` =  '4036'
AND `dimDate`.`monthNo` =  5
ORDER BY 
`minTempasc
LIMIT 1 
0.0606   select min(count_days) as min_daysavg(count_days) as average_daysmax(count_days) as max_days  from (select yearcount(*) as count_days from factDaily fd  join dimDate dd on (dd.dateId fd.DateId) where fd.locationId 4036 and minTemp <= 32  and dd.monthNo 5 group by year) as count_freezing 
0.0250   select min(count_days) as min_daysavg(count_days) as average_daysmax(count_days) as max_days  from (select yearcount(*) as count_days from factDaily fd  join dimDate dd on (dd.dateId fd.DateId) where fd.locationId 4036 and maxTemp <= 32  and dd.monthNo 5 group by year) as count_freezing 
0.0007   SELECT AVG(`sumRainfall`) AS sumRainfallAVG(`daysRainfall`) AS daysRainfallAVG(`daysSnow`) AS daysSnowAVG(`daysTornado`) AS daysTornadoAVG(`daysThunder`) AS daysThunder, `monthNo`
FROM (`aggMonthly`)
WHERE `monthNo` =  5
AND `locationId` =  '4036'
GROUP BY `monthNo
0.0006   SELECT `sumRainfall`, `daysRainfall`, `year`
FROM (`aggMonthly`)
WHERE `monthNo` =  5
AND `locationId` =  '4036'
ORDER BY `sumRainfallasc
LIMIT 1 
0.0006   SELECT `sumRainfall`, `daysRainfall`, `year`
FROM (`aggMonthly`)
WHERE `monthNo` =  5
AND `locationId` =  '4036'
ORDER BY `sumRainfalldesc
LIMIT 1 
0.0015   SELECT `maxRainfall`, `monthName`, `dayNo`, `dimDate`.`year`, `dimLocation`.`locationId`, `dimLocation`.`countryName`, `dimLocation`.`stateName`, `dimLocation`.`presentationName`, `dimLocation`.`urlCountry`, `dimLocation`.`urlState`, `dimLocation`.`urlName`
FROM (`aggMonthly`)
JOIN `dimLocationON `dimLocation`.`locationId` = `aggMonthly`.`locationId`
JOIN `dimDateON `dimDate`.`dateId` = `aggMonthly`.`maxRainfallDate`
WHERE `aggMonthly`.`locationId` =  '4036'
AND `dimDate`.`monthNo` =  5
ORDER BY 
`maxRainfalldesc
LIMIT 1 
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