The key weather and climate features in the northern hemisphere in August 2015

Air temperature


For the largest part of the month cold weather dominated over the Russian North. From Arkhangelsk to Taimyr, every decade of the month was colder than the norm. During the last one, the cold intensified and expanded far to the south, and covered the southern regions of the European part of Russia and Volga Region. For the last time, new records of the temperature minimums were registered not only in the north, but also near with Lower Volga, the Urals and Central region. At night the thermometer fell below 0°C, in some places there were recorded the values for -2 ... -8°C. As a result of the cold - negative anomalies of mean monthly temperatures were mentioned in Arkhangelsk Oblast, Komi Republic, on the Upper Volga and the Urals.

The key weather and climate features in the northern hemisphere in July 2015


Air temperature

In July 2015 mean air temperature in the Northern Hemisphere has reached the absolute maximum in the history of regular meteorological observations in the world since 1891. This year is the fifth month with a record high average monthly air temperature. Previous record holders - February, March, May and June.


It was considerably hotter than usual last month in Europe and North Africa, the Middle East, Central Asia and southern Siberia, in the north of the Russian Far East and Alaska, in the east of the Canadian Arctic and northern Pacific coast of the United States. In contrast, abnormal cold seized the central and northern regions of European Russia and the Urals, a significant part of Canada and the United States, northern and tropical waters of the Atlantic Ocean, the western part of the temperate latitudes of the Pacific Ocean and the Horn of Africa.