August was considerably warmer than average and compared to the past it is ranked fifth in the nationwide series of temperature measurements since 1950. In the coastal plain and in the valleys, August is ranked higher, most notably with regard to the minimum temperatures, where it is ranked second. This was largely caused by a prolonged warm period which took place during the month and included an unprecedented sequence of high minimum temperatures in the coastal plain and in the northern valleys. At the end of the month there was an unusual event of widespread rain with relatively large amounts of rain for the summer months.

The warm August follows July which was considerably warmer than average too, so the period of the two primary summer months was the warmest, alongside July-August 2017, in the nationwide series of measurements since 1950.