Washington, DC Climate in July

Temperature for July

In Washington, DC during July the average high temperature is 88.9°F. The hottest day on record was July 8, 2012 when the temperature hit 105.1°F.

Washington, DC daily average and extreme temperature range for July

Low Temperature

During July the overnight temperature drops to an average of 70.4°F, with the lowest temperature of 54.0°F being recorded on July 2, 1988. In July it has never frozen overnight.

Precipitation for July

In July the average monthly rainfall in Washington, DC is 2.27 inches with rain usually falling on between 11 and 12 days. 1938 was the driest July with only 0.00 inches of rain falling, and 1974 was the wettest July with 14.88 inches of rain. The wettest single day in July was 5 July 1974 when 13.11 inches of rain fell.

There are thunderstorms on between 5 and 6 days in July.
  BENCHMARKS  
Loading Time: Base Classes  0.0069
Controller Execution Time ( Climate / Summary )  0.0920
Total Execution Time  0.0989
  GET DATA  
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2,296,028 bytes
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  URI STRING  
climate/summary/united-states/district-of-columbia/ronald-reagan-washington-natl/july
  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` =  7
AND `locationId` =  '2892'
GROUP BY `monthNo
0.0006   SELECT `monthNo`, AVG(`meanMinTemp`) AS meanMinTempAVG(`meanMaxTemp`) AS meanMaxTemp
FROM 
(`aggMonthly`)
WHERE `monthNo` =  7
AND `locationId` =  '2892'
GROUP BY `monthNo
0.0022   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` =  7
ORDER BY 
`maxTempdesc
LIMIT 1 
0.0060   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` =  7
ORDER BY 
`minTempasc
LIMIT 1 
0.0260   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 7 group by year) as count_freezing 
0.0254   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 7 group by year) as count_freezing 
0.0009   SELECT AVG(`sumRainfall`) AS sumRainfallAVG(`daysRainfall`) AS daysRainfallAVG(`daysSnow`) AS daysSnowAVG(`daysTornado`) AS daysTornadoAVG(`daysThunder`) AS daysThunder, `monthNo`
FROM (`aggMonthly`)
WHERE `monthNo` =  7
AND `locationId` =  '2892'
GROUP BY `monthNo
0.0008   SELECT `sumRainfall`, `daysRainfall`, `year`
FROM (`aggMonthly`)
WHERE `monthNo` =  7
AND `locationId` =  '2892'
ORDER BY `sumRainfallasc
LIMIT 1 
0.0008   SELECT `sumRainfall`, `daysRainfall`, `year`
FROM (`aggMonthly`)
WHERE `monthNo` =  7
AND `locationId` =  '2892'
ORDER BY `sumRainfalldesc
LIMIT 1 
0.0022   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` =  7
ORDER BY 
`maxRainfalldesc
LIMIT 1 
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