For the Earth, no other month was likely as hot as this past July in records that date back to the late 1800s. And the global is well on its way to having its hottest year on record.
The monthly anomaly of the global average surface temperature in July 2015, and was the warmest since 1891. On a longer time scale, global average surface temperatures have risen at a rate of about 0.67°C per century.
Both NASA and the Japan Meteorological Agency (JMA) have published data that show it was the hottest July on record. Since July is on average the planet’s warmest time of year, it’s fair to say temperatures this past month were at or very close to their highest point in the history of instrumental records*.
NASA’s map of July temperatures shows large areas of much warmer than normal temperatures in the Pacific Northwest, western Europe, central Asia and Africa. It also reveals the telltale signature of the powerful El Nino event, portrayed by the much warmer than normal sea surface temperatures in the eastern and central tropical Pacific.