During the last days of June 2021, Pacific northwest areas of the U.S. and Canada experienced temperatures never previously observed, with records broken in many places by several degrees Celsius.
In the first six months of 2020, Siberia experienced a period of unusually high temperatures, including a record-breaking 38 degrees C in the town of Verkhoyansk on 20 June, causing wide-scale impacts including wildfires, loss of permafrost, and an invasion of pests.
After the extreme heat that took place in the last week of June 2019, a second record-breaking heat wave struck Western Europe and Scandinavia at the end of July 2019.
A heatwave struck large parts of Europe during the last week of June 2019, breaking several historical records at single locations in France, Switzerland, Austria, Germany, the Czech Republic and Spain.
The summer of 2018 has been remarkable in northern Europe. A very persistent high-pressure anomaly over Scandinavia caused high temperature anomalies and drought there from May to (at least) July.