Given that Phoenix suffered through a stifling heat wave that received national attention last month, you might think the heat was unprecedented.

Make no mistake, the heat was well above normal, caused flight delays and was a factor in at least two deaths (with at least 20 more under investigation), but it wasn’t record-setting for the 30-day period.

June 2017 will go down as the third-warmest month on record, based on an average temperature (taking the average high and low temperatures for the month and dividing by two) of 94.7 degrees. That tops June 1990 (93.8) when the city saw it’s all-time high temperature of 122 degrees on June 26.

For high temperatures, June 2017 ranks third on the all-time list at 107.9 degrees (record is 108.6 in 1974), according to National Weather Service numbers. For overnight minimum temperatures, this June ranked fourth at 81.4 degrees.

The only monthly record set this June was a tie for lack of rain. There was no measurable rain in June 2017. This is the 13th time there has been no measurable rain in June since 2001.

June is typically the driest month of the year, averaging just .02 of an inch of rain. The city is in the midst of a lengthy dry period as there hasn’t been any measurable rain since May 9 and is .82 of an inch below normal for the year at this point.

While there were no monthly records, there were several daily records for heat.

The June 20 high of 119 degrees was not only a record for that date, but was the fourth-highest temperature ever observed in the city. Phoenix also saw high temperature records on June 19 (118 degrees) and 21 (117 degrees).

The city set overnight minimum temperature records on four occasions during the month and daily average temperature records on five.

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By the numbers

The average high temperature for the month was 107.9 degrees, .7 of a degree less than the record set in 1974. The normal high for the month is 103.9.

The average temperature was 94.7 degrees, one-tenth of a degree less than the record set in 2013 and 2016. The normal for that statistic is 90.8 degrees.

The average minimum temperature was 81.4 degrees, seven-tenths of a degree less than the record set in 2015 and 2016. The normal low for June is 77.7 degrees.  

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