The coldest recorded temperature in Finland, -51.5°C, or -60.7°F, is in the village of Pokka, in Kittilä, and it is recorded on January 28, 1999. You’ll notice that the surface plot is viewed from below. This is because you have to look at it from underneath in order to see the inverted spikes that indicate exceptionally low temperatures. See also the scatter plot below, which is a different way of graphing out the same data.
Have a look at an interactive version of the chart, and make your own new charts from nearby weather stations.