Washington, DC Climate in May

Temperature for May

In Washington, DC during May the average high temperature is 77.2°F. The hottest day on record was May 29, 1941 when the temperature hit 98.2°F.

Washington, DC daily average and extreme temperature range for May

Low Temperature

During May the overnight temperature drops to an average of 56.5°F, with the lowest temperature of 35.4°F being recorded on May 9, 1947. In May it has never frozen overnight.

Precipitation for May

In May the average monthly rainfall in Washington, DC is 2.25 inches with rain usually falling on between 13 and 14 days. 1938 was the driest May with only 0.00 inches of rain falling, and 1973 was the wettest May with 11.35 inches of rain. The wettest single day in May was 8 May 1973 when 7.87 inches of rain fell.

In May it usually snows on between 0 and 1 days. There are thunderstorms on between 4 and 5 days in May.

  BENCHMARKS  
Loading Time: Base Classes  0.0069
Controller Execution Time ( Climate / Summary )  0.1026
Total Execution Time  0.1096
  GET DATA  
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  MEMORY USAGE  
2,295,596 bytes
  POST DATA  
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  URI STRING  
climate/summary/united-states/district-of-columbia/ronald-reagan-washington-natl/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` =  'district-of-columbia'
AND `urlName` =  'ronald-reagan-washington-natl'
LIMIT 1 
0.0008   SELECT `monthNo`, AVG(`meanMinTemp`) AS meanMinTempAVG(`meanMaxTemp`) AS meanMaxTemp
FROM 
(`aggMonthly`)
WHERE `monthNo` =  5
AND `locationId` =  '2892'
GROUP BY `monthNo
0.0006   SELECT `monthNo`, AVG(`meanMinTemp`) AS meanMinTempAVG(`meanMaxTemp`) AS meanMaxTemp
FROM 
(`aggMonthly`)
WHERE `monthNo` =  5
AND `locationId` =  '2892'
GROUP BY `monthNo
0.0025   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` =  '2892'
AND `dimDate`.`monthNo` =  5
ORDER BY 
`maxTempdesc
LIMIT 1 
0.0089   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` =  '2892'
AND `dimDate`.`monthNo` =  5
ORDER BY 
`minTempasc
LIMIT 1 
0.0256   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 2892 and minTemp <= 32  and dd.monthNo 5 group by year) as count_freezing 
0.0252   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 2892 and maxTemp <= 32  and dd.monthNo 5 group by year) as count_freezing 
0.0008   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` =  '2892'
GROUP BY `monthNo
0.0006   SELECT `sumRainfall`, `daysRainfall`, `year`
FROM (`aggMonthly`)
WHERE `monthNo` =  5
AND `locationId` =  '2892'
ORDER BY `sumRainfallasc
LIMIT 1 
0.0006   SELECT `sumRainfall`, `daysRainfall`, `year`
FROM (`aggMonthly`)
WHERE `monthNo` =  5
AND `locationId` =  '2892'
ORDER BY `sumRainfalldesc
LIMIT 1 
0.0020   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` =  '2892'
AND `dimDate`.`monthNo` =  5
ORDER BY 
`maxRainfalldesc
LIMIT 1 
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