May was another record-breaking month. It was the 7th warmest May on record with an
average temperature of 79.0°F (26.1°C) which was 3.0°F (1.7°C) above normal. There
were seven days above 100°F (37.8°C), including two days of 105°F (40.6°C) which
historically occurs on June 12th. There was no measurable rainfall at either the
airport or my location.
A rare haboob, an intense dust storm, hit Tucson on May 7th.
