July 2018 Climate Data for Memphis, TN

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July Climate Recap

The month of July ended slightly above normal in the temperature category, but by less than a half degree. While the first three weeks of the month featured only 2 days below normal (and both by a mere degree), a cool spell to end the month helped bring the average down. There were no above average days in the final 10 days of July as a pleasant patter set in, allowing morning lows to reach 70 degrees or cooler on five occasions. No daily records were set during the month. Scattered thunderstorms during the month again resulted in varying rainfall totals. While the airport ended the month above average with exactly five inches of rain, MWN in Bartlett recorded about 3/4 of an inch less. Most rain at the airport fell on only 5 days, leaving large periods of dry weather between.

Severe weather reports for the month included trees down and wind damage from scattered storms in Shelby County on the 4th, 5th, 14th, and 15th. Also, wind damage and hail occurred in Shelby and DeSoto Counties on the 20th, and a very unfortunate fatality occurred on the 14th in Fayette County, in which lightning struck a tree that subsequently fell on an individual mowing his yard. There were also a couple of reports of wind damage in north MS on the 4th and 20th. There were multiple Severe Thunderstorm and Flash Flood Warnings issued for the greater Memphis metro over the course of the month.

Memphis International Airport, Memphis, TN

Temperature
Average temperature: 83.0 degrees (0.3 degrees above average)
Average high temperature: 92.0 degrees (0.4 degrees above  average)
Average low temperature: 74.1 degrees (0.3 degrees above average)
Warmest temperature: 97 degrees (5th, 11th, 13th)
Coolest temperature: 68 degrees (31st)
Heating Degrees Days: 0 (0 below average)
Cooling Degree Days: 567  (18 above average)
Records set or tied: None.
Comments: Twenty-four days recorded high temperatures at or above 90 degrees, which is 3.1 days above average.

Precipitation
Monthly total: 5.00″ (0.41″ above average)
Days with measurable precipitation: 8 (0.8 days below average)
Wettest 24-hour period: 2.01″ (18th)
Snowfall: 0.0″
Records set or tied: None
Comments: Two days recorded more than 1.0″ of rain.

Miscellaneous
Peak wind: Northeast/35 mph (15th)
Average wind: 6.2 mph
Average relative humidity: 70%
Average sky cover: 50%

Click here for a daily statistical recap for Memphis International Airport.

Cirrus Weather Solutions / MemphisWeather.net, Bartlett, TN

Temperature
Average temperature: 81.1 degrees
Average high temperature: 91.8 degrees
Average low temperature: 72.1 degrees
Warmest temperature: 97.1 degrees (15th)
Coolest temperature: 65.4 degrees (24th)
Comments: Temperature data was computed for 30 of the 31 days in July. Data was not available due to an equipment outage on the 17th.

Precipitation
Monthly total: 3.94″ (automated rain gauge), 4.30″ (manual CoCoRaHS rain gauge)
Days with measurable precipitation: 8
Wettest date: 2.03″ (16th) (via automated gauge)
Snowfall: None
Comments: None

Miscellaneous
Peak wind: East/30mph (16th)
Average relative humidity: 81%
Average barometric pressure: 30.01 in. Hg

Click here for a daily statistical recap for Bartlett, TN.

MWN Forecast Accuracy

MWN average temperature error: 1.51 degrees
MWN forecast temperatures within 2 degrees of actual: 81%
MWN average dewpoint error: 1.76 degrees
MWN forecast dewpoints within 2 degrees of actual: 75%

MWN’s forecasts extend out five periods (2.5 days, or roughly 60 hours). Historical accuracy statistics can be found here.

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