Ed Hawkins posted this extremely useful visualization of month-by-month, global temperature changes since 1850.
Citing this post: Urbano, L., 2016. Climatic Warming Visualization, Retrieved September 21st, 2016, from Montessori Muddle: http://MontessoriMuddle.org/ .
Attribution (Curator's Code ): Via: ᔥ Montessori Muddle; Hat tip: ↬ Montessori Muddle.