In November, the weather in Rogaška Slatina is typically cold. Average daily high temperature in November is about 8 degrees above zero. On average, Rogaška Slatina has 10 rainy, 9 cloudy, 6 partly cloudy, and 5 sunny days in November. The rains are usually heavy. November as well as January, February, March, and April is considered the most uncomfortable time to visit Rogaška Slatina.