Weather

The climate is continental with cold winters and warm / hot summers. The average yearly temperature is 9.2 degrees Celsius. Temperature ranges from –3º C in January to 22º C in July. From May to September it tends to be sunny and warm with occasional rains.
Prague is extremely beautiful when covered in snow, although you will need appropriate clothes and do as natives do: have a glass of hot whine to shake the cold off!

Prague experiences four distinct seasons of spring, summer, autumn and winter.

Summer

Summer comes to Prague in June and ends in August. The average temperature high ranges between 20 degrees Celsius and 23 degrees Celsius with night time lows that average between 10 and 11 degrees Celsius. The summer months may be the hottest months in Prague but they are also the wettest months with between 60mm and 80mm of rain falling each month during the summer.

Autumn

Prague experiences autumn during September, October and November. The temperatures drop away quickly from the summer highs to 19 degrees Celsius average high in September to an average high of 7 degrees Celsius during November. The rain experienced in the summer drops to around half with roughly 40mm of rain falling in each of the autumn months on average.

Winter

December, January and February are the winter months in Prague. The temperatures drop to their coldest point at this time and during January they are at their lowest. The temperatures range from an average high of 2 degrees Celsius to 0 degrees Celsius and temperatures can drop down to as low as -5 degrees Celsius on average during January. Rain fall is at its lowest during the winter months with around 25mm of rain falling in each month of winter.

Spring

Spring tends to come to Prague between March and May. The temperatures rise rapidly from the winter lows as spring pass with an average high of 7 degrees Celsius in March to a high of 18 degrees Celsius in May. The nights still remain fairly cool though with the temperature ranging between an average low of -1 degree Celsius in March to 8 degrees Celsius in May. The rain in March and April stays between 20mm and 40mm on average but in May the rains peak with around 80mm of rain falling making it the wettest month of the year in Prague.

 

source: www.worldweatheronline.com