Taking into account the local weather in Frydek-Mistek can help you maximize your time at the pool during your trip. The hottest months are usually August and July with an average temp of 63°F, while the coldest months are January and February with an average of 33°F. The snowiest months in Frydek-Mistek are December, January, November, and February, with each month seeing an average of 10 inches of snowfall.