Poland weather is mainly moderate continental and is characterized by its short but warm summers and the severe conditions of its winter season. During the latter, temperatures are known to dip as low as -20°C, snow is abundant and long icy periods are common.

The hilly Pomeranian and Masurian lake districts as well as Poland’s uplands experience average annual temperatures of 7°C, which rise slightly to 10°C in the belt of the sub-Carpathian basins, the Silesian Lowland and the Wielkopolska Lowland. The upper parts of the Carpathians and Sudetes annual average temperatures hover just above 0°C.
Summer is a typically warm period in Poland. The season records average temperatures between 20°C and 27°C, July being the hottest month of the year its usual average temperature lingering around 18°C.

Understandably temperatures take a dive during the cold winter season, averaging around 3 °C in the northwest and –8 °C in the northeast. The coldest month in Poland is January. The eastern part of Poland is one of the coldest in the country, due to the impact of the cold continental air flowing in from the east in January.

Poland weather is also characterized by the extensive rainfalls it receives throughout the year. However winters are drier than summers in the eastern regions of the country with average annual rainfall varying from 500 to 1000 millimeters.

Poland weather changes patterns according to distance from the Baltic Sea. Rainfall gradually diminishes; weather veers towards an oceanic type, eventually becoming warm and continental as one moves south and east. Annual precipitation in the Carpathians and Sudetes, the annual precipitation is 800-1400 mm, ranging between 400 mm and 750 mm in the lowlands and uplands, and also in the Pomeranian and Masurian lake districts. Lying in the rain shadow of the Pomeranian Lake District, the eastern part of Wielkopolska and in Kujawy is Poland’s driest.