Climate: Poland has a moderate continental climate, with short warm summer and rigid winter (from October to April) with minimal temperatures around -20°C, with snow precipitations and long ices periods. The average annual temperature ranges from 7°C in the hilly Pomeranian and Masurian lake districts and in the uplands to 10°C in the belt of the sub-Carpathian basins, the Silesian Lowland and the Wielkopolska Lowland.  Only in the upper parts of the Carpathians and Sudetes the average temperature is about 0°C.

Summers are generally warm, with average temperatures between 20°C and 27°C. The hottest month is July with the average temperature standing at 18°C. Winters are cold, with average temperatures around 3 °C in the northwest and –8 °C in the northeast. The coldest month in Poland is January. Cold continental air flowing in from the east in January makes the eastern part of Poland one of the coldest areas in the country.

Precipitation falls throughout the year, although, especially in the east, winter is drier than summer, the average annual rainfall varied from 500 to 1000 milimeter. The rains diminish with the distance from the Baltic Sea, the climate is oceanic in the north and west and becomes gradually more warmer and continental as one moves south and east. In the Carpathians and Sudetes, the annual precipitation is 800-1400 mm.