Overview: Łódź Łódź (Poland) in general has a mild continental climate. The day temperatures range from 0 °C (33 °F) in January to 25 °C (76 °F) in July. The driest month is April with just 9 days of rain, on the contrary, the month when it rains the most is July with 12 days of rain. Temperatures during the night go from -5 °C (23 °F) in January to 14 °C (57 °F) in July.