The climate is oceanic in the north and west and becomes gradually warmer and continental towards the south and east.
Climate in Poland
The climate is mostly temperate throughout the country.
Summers are generally warm, with average temperatures between 18 and 30 °C (64.4 and 86.0 °F) depending on a region.
Winters are rather cold, with average temperatures around 3 °C (37.4 °F) in the northwest and ?6 °C (21 °F) in the northeast. Precipitation falls throughout the year, although, especially in the east; winter is drier than summer.98Źródło: https://en.wikipedia.org/wiki/Poland#Climate
Some facts worth to know
Poland (Polish: Polska ?p?lska ( listen)), officially the Republic of Poland (Polish: Rzeczpospolita Polska,a About this sound listen (help?info)), is a country in Central Europe,11 bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine and Belarus to the east; and the Baltic Sea, Kaliningrad Oblast (a Russian exclave) and Lithuania to the north.
The total area of Poland is 312,679 square kilometres (120,726 sq mi),9 making it the 71st largest country in the world and the 9th largest in Europe.
With a population of over 38.5 million people,9 Poland is the 34th most populous country in the world,12 the 8th most populous country in Europe and the sixth most populous member of the European Union, as well as the most populous post-communist member of the European Union.
Poland is a unitary state divided into 16 administrative subdivisions.
Despite the large number of casualties and destruction the country experienced during World War II, Poland managed to preserve much of its cultural wealth.
There are 14 heritage sites inscribed on the UNESCO World Heritage19 and 54 Historical Monuments and many objects of cultural heritage in Poland.
The Tatra Mountains, Tatras or Tatra (Tatry either in Slovak (pronounced ?tatri) or in Polish (pronounced ?tatr?)- plurale tantum), are a mountain range that form a natural border between Slovakia and Poland. They are the highest mountain range in the Carpathian Mountains. The Tatras should be distinguished from the Low Tatras (Slovak: Nízke Tatry) which are located south of the Tatra Mountains in Slovakia.
The Tatra Mountains occupy an area of 785 square kilometres (303 sq mi), of which about 610 square kilometres (236 sq mi) (77.7%) lie within Slovakia and about 175 square kilometres (68 sq mi) (22.3%) on the territory of Poland.
The highest peak, called Gerlach, at 2,655 m (8710 ft) is located north of Poprad.
The highest point in Poland, Rysy, at 2,499 m (8200 ft) is located south of Zakopane.