Ostroleka, Poland experiences a continental climate with distinct seasonal variations. Winters are cold and snowy, with temperatures often dropping below -25°C in January and February, but averaging around -2°C to -3°C. Spring arrives in March, bringing mild temperatures ranging from -10°C to 21°C, while April and May see significant warming, with averages rising to 6°C and 12°C respectively. Summers are warm, with July being the hottest month, averaging 22°C, but temperatures can still drop to around 12°C on cooler days. Autumn brings a return to cooler temperatures, with November and December experiencing averages of 5°C and -2°C respectively.