How warm was July 2023?

Publisert avErik KolstadPostet iClimate maps

There were heat waves in Europe, China, North America, and even South America (during winter) in July 2023. Here’s a map that shows the overall rank of July 2023 amongst all the July months since 1960:

Rank of July 2023 monthly mean 2-metre temperature in the period 1960–2023, where rank 1 means that July 2023 was the warmest in the period. The ranking is based on monthly mean temperatures from the ERA5 reanalysis (downloaded from the Copernicus Climate Change Service), and the grid spacing is 0.5 degrees.

Deep red, orange and yellow colours indicate places where July 2023 was amongst the three warmest years, but note that the other red colours also indicate that July 2023 was high on the list.

I emphasise that the map is based on monthly mean temperatures, which include the temperatures for every day of the month. It also includes nighttime temperatures.

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