May-September is the best time to travel in the Czech Republic. In June and September, the climate in the Czech Republic is mild and the rainfall is not much. July-August is the peak season for tourism and the best time to soak in hot springs. After May, the weather in the Czech Republic began to warm up slowly, and the temperature generally began to rise around 2 degrees. At this time, it is very suitable for traveling in the Czech Republic, and many tourist attractions in the Czech Republic began to open to the outside world one after another. More information about Czech tourism can be found here: /Wuerzhilv