The overall best time to visit Prague is in either late spring or early fall. During this time, you’ll experience the city’s best weather. Tourists are most present during the summer months of June through August, forcing a peak season in most European destinations. The weather is at its warmest and the days are the longest during the summer.
Temperatures range from a low -4°C (25°F) at night to a high 2°C (35°F) during the day, and there are just three hours of sunshine per day. One out of every two days bring see rain or snow, and one-third of January days in Prague are windy.
Look here: 2-Hour Charles Bridge and Lesser Town Walking Tour. Look here: Prague City: 1-Hour Orientation Tour by Bus. Look here: Prague City Card: 2-Day, 3-Day or 4-Day. The lively and iconic Charles Bridge over the Vltava River in Prague, looking towards the Prague Castle Complex.