August was the warmest month recorded in 136 years of modern record-keeping.
In fact, Nasa scientists say august tied with this year's July for warmest ever.
Last month's temperature was .16 degrees celsius warmer than the previous warmest August in 2014.
Going back to October of last year, it's now been 11 straight months of new monthly high-temperature records.
Scientists compiled information from thousands of meteorological stations across the globe.