Overview: PoznańPoznań (Poland) in general has a mild continental climate. The day temperatures range from 2 °C (36 °F) in January to 25 °C (77 °F) in July. The driest month is April with just 7 days of rain, on the contrary, the month when it rains the most is June with 10 days of rain. Temperatures during the night go from -3 °C (26 °F) in January to 14 °C (56 °F) in July.