Summer in the Czech Republic is very soft and warm, as the mountains surrounding the country along the perimeter do not miss the wind. The warmest month is July. At this time, the average daily temperature is at around 20 degrees. In June and August, the average temperature is 17-18 degrees.

In Prague, it is possible to have medium clouds and rains with a sharp, strong wind. The average temperature in the summer is 24 degrees, rarely rises to 30-35 degrees. At night, the temperature drops to 15 degrees.

The summer months in Karlovy Vary, though the most warm, but also the rainiest. The air temperature in the summer rarely rises above 25-27 degrees, and the nights remain rather cool.