average temperatures in prague
Weather lowdown. As Prague, Czech Republic enters its summer season in June, the temperatures continue to warm up. During this month, the average temperature for the city begins at 15Â°C, created by highs of 20Â°C during the daytime and lows of 10Â°C after dark.loud coverage begins at 50% on June 1 st and rises up to 51% by June 27 th. On an average day, the sky is clear/mostly clear 39% of the time, partly cloudy 26% and mostly cloudy/overcast 25%. At this time of year, Prague is subject to less than one full foggy day across the month.