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Climate

The climate of Poznań is within the transition zone between a humid continental and oceanic climate (Köppen: Cfb to Dfb although it just fits in the second in the 0 °C isotherm) and with relatively cold winters and warm summers. Snow is common in winter, when night-time temperatures are typically below zero. In summer temperatures may often reach 30 °C (86 °F). Annual rainfall is more than 500 mm (20 in), among the lowest in Poland. The rainiest month is July, mainly due to short but intense cloudbursts and thunderstorms. The number of hours of sunshine are among the highest in the country. Climate in this area has mild differences between highs and lows, and there is adequate rainfall year-round. The Köppen Climate Classification subtype for this climate is " humid continental climate). The warmest temperature was recorded on 11 July 1959 at 38.7 °C (101.7 °F)