This chart shows how the number of surface air temperature anomalies in June averaged over western Europe have increased since the mid-2000s. It reached the highest level so far in 2026. Anomalies are relative to the June average for the 1991-2020 period.

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Heating up: June temperatures are climbing in Western Europe and reached a record high in 2026. This chart shows how each June’s average temperature compared with the historical 1991–2020 average.

Source: Copernicus