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A map of the Arctic. The red line is the 10 °C isotherm in July, commonly used to define the Arctic region; also shown is the Arctic Circle. The white area shows the average minimum extent of sea ice in summer as of 1975. [1] The climate of the Arctic is characterized by long, cold winters
Climate is defined by the World Meteorological Organization as the average weather over a 30-year period. [1] The North Atlantic Current moderates Svalbard's temperatures, particularly during winter, giving it up to 20 °C (36 °F) higher winter temperature than similar latitudes in continental Russia and Canada. This keeps the surrounding ...
Average January temperatures range from about −40 to 0 °C (−40 to 32 °F), and winter temperatures can drop below −50 °C (−58 °F) over large parts of the Arctic. Average July temperatures range from about −10 to 10 °C (14 to 50 °F), with some land areas occasionally exceeding 30 °C (86 °F) in summer.
In Norway's High Arctic archipelagoes, Svalbard Airport has the lowest average annual precipitation with 217 mm (8.5 in), while Jan Mayen get more than double with 648 mm (25.5 in). Monthly averages vary from 6 mm (0.24 in) in April in upper Saltdal and Skjåk to 509 mm (20.0 in) in December at Gullfjellet.
The southerly lowlands of the island average around 0 °C (32 °F) in winter, while the north averages around −10 °C (14 °F). The lowest temperatures in the northern part of the island range from around −25 to −30 °C (−13 to −22 °F). The lowest temperature on record is −39.7 °C (−39.5 °F). [4]
Mild weather has lifted temperatures by almost 30 degrees in just a few days in parts of northern Scotland. In Altnaharra, Sutherland, in the early hours of Saturday temperatures fell to -18.9C ...
The Arctic ice pack is the sea ice cover of the Arctic Ocean and its vicinity. The Arctic ice pack undergoes a regular seasonal cycle in which ice melts in spring and summer, reaches a minimum around mid-September, then increases during fall and winter. Summer ice cover in the Arctic is about 50% of winter cover. [1]
In Chicago, high temperatures will trend upward from the mid-20s F on Thursday to the upper 30s by Sunday and then the mid-40s early next week. A high in the upper 30s is the historical average ...