In this far northeastern part of Norway, the climate is much more continental and dry compared to the typical coastal climate in Norway.
Situated in a river valley on this plateau, Karasjok has recorded the coldest official temperature ever in Norway: ?51.4 �C (?60.5 �F)on 1 January 1886. The warmest temperature ever recorded in the summer is 32.4 �C (90.3 �F). In January 1999, there was also a cold shock, the "official" temperature recording was ?51.2 �C (?60.2 �F), but unofficially a temperature of ?56 �C (?68.8 �F) was recorded. The warmest month on record was July 1941, with a mean (24hr) temperature of17.9 �C (64.2 �F); the coldest month was February 1966 with a mean of ?27.1 �C (?16.8 �F).
The birdlife to be found in this municipality is characteristic for the region. The inland habitats of Finnmarksvidda are known for their rich bird life with species like Blue throat preferring areas with scrub. The Tana river also flows through Karasjok and many of the species found in higher areas use it as a migration route
