-41 degrees!
The coldest temperature in Miami last year was 39°F on January 20, 2021.
It may be the coldest temperature that some locations have reached, but it's not even close to the coldest air temperature reached or certainly that which has been achieved with technology.
17278 bc
Five below zero
northeast monsoon
Triton. It is the coldest object that has been measured in our Solar System, with a temperature of -235° C (-391° F).
1980 -84
The coldest naturally occurring temperature yet observed is about 1 Kelvin (this occurred in outer space, not on Earth). In the laboratory, temperatures as low as 0.000 000 000 1 K have been produced.
It may be the coldest temperature that some locations have reached, but it's not even close to the coldest air temperature reached or certainly that which has been achieved with technology.
Well in every part of the Earth there is different temperatures so you can't really tell what the whole Earth temperature has been in it's coldest.
The coldest temperature was minus 28 degrees F.
The coldest temperature recorded in the Arctic was -69.6°C (-93.3°F) at a Russian research station in 1933. However, temperatures in the region can vary widely depending on the location and time of year.