Winters in Parnu, Estonia are cold and snowy, with temperatures often dropping below -20°C in January and February. Spring arrives slowly, with temperatures gradually warming up in March and April, but still experiencing occasional chilly days. Summer is mild and pleasant, with average highs around 20-22°C from June to August, but can occasionally reach warmer temperatures above 30°C. Autumn brings a return of cooler weather, with temperatures dropping back down into single digits by November. The coldest months are typically December and January, while the warmest months are July and August.