Our global temperature continued its upward trend last month with November 2019 marking the second warmest November ever recorded on this planet. Only November 2015 was warmer. The month also closed out Earth’s second warmest September to November season on record.
According to the State of the Climate Report by NOAA’s National Centers for Environmental Information, Earth’s combined average temperature for November – over both land and sea surfaces – was 56.86°F, which is 1.66°F above the 20th-century average. This November also marked the 419th consecutive month with a global temperature above its long-term norm. That means the last time any month posted a below-average reading was December 1984.
The three-month period of September, October, and November – meteorological autumn in the northern hemisphere – was also unusually warm. NOAA reports that Earth’s average temperature for the season was 1.69°F above the 20th century average of 57.1°F. That makes it the second warmest such period on record. It is also important to note that the ten warmest September-November periods have all occurred since 2005, with the five warmest taking place in the last five years.
While heat dominated most of the planet this November, some places were particularly warm, including Central Europe, eastern Russia, northern Canada, and most of Alaska. For the contiguous US as a whole, November 2019 ranked in the middle third of the historical record.
These soaring temperatures are largely attributed to the long-term trend of human-caused climate change. As greenhouse gases continue to spew into the atmosphere, global temperatures are expected to continue to rise.
Year to date, the first eleven months of 2019 were the second warmest such period of any year on record. At this point, it is very likely that 2019 will finish as the second or third warmest year ever recorded. Global temperature records date back to 1880.