May weather highlights and June outlook 


May was one for the record books! Here are five things to know about this past month.

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  •  Dayton ended up the second warmest May on record with an average temperature of 70.5 degrees at the Dayton International Airport. The warmest on record was 71.3 degrees set back in 1896. 
  •  Dayton hit 90 two times and they were consecutively. Two 90 degree days in a row hadn't happened since September 2016.
  •  A stretch of days that were warmer than normal lasted through the entire month! (It actually ended up being 34 days of warmer than normal weather from May 1-June 3.)
  •  May was also pretty active with rain. Trace amounts of rain or more appeared on 17 days. 
  •  There was one confirmed tornado for the month of May. It was an EF0 tornado with winds up to 65 mph in Miami County near Ohio 718 and Greenlee Road. 

WHIO Live Doppler 7 Interactive Radar

 

June Outlook

 

June has plenty to look forward to as well. The sunset is now after 9 p.m. The average high temperature climbs from the middle 70s to the low 80s by the end of the month. The Climate Prediction Center and our Storm Center 7 team agree there is a good chance temperatures remain for June at or above normal. The CPC has the Miami Valley in a 30-40 percent chance to stay warm in June for the entire month. It is too soon to tell though if it will be a record-breaking month like May! 

County-by-County Weather


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