August in Wieliczka is the sunniest and the warmest month of the year. In August, the weather in Wieliczka is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Wieliczka has 22 sunny, 6 partly cloudy, and 3 rainy days in August. The rains are usually light. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Wieliczka.