Study: June Was Hottest Month On Record 3.09K Jeff Neumann 07/19/10 06:41AM Filed to: Weather Weather Global Warming Rush Limbaugh Conspiracies Science According to the National Oceanic and Atmospheric Administration's "State of the Climate" report, last month was the warmest June on record worldwide. Last month also saw the lowest recorded level of Artic sea ice. [NOAA]