Prague
Czech Republic
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Prague, Czech Republic

Multiple bridges over water in Prague, in the Czech Republic, with several mountains in the distance
Multiple bridges over water in Prague, in the Czech Republic, with several mountains in the distance
August is usually warm and sunny in Prague with average temperatures between 12.8°C (55°F) and 23.9°C (75°F). The nights are cool, and the late sunset allows exploring the beautiful city under bright conditions.
The last month of the summer season in Prague has daily sunshine of 7 hours with 14-hour days and mostly clear skies. The weather is perfect to cruise through the winding Vltava river that runs through the heart of the city. Tourists like to explore the many trails that run through the surrounding mountains during the long summer days.
The rain is to the tune of 68.6mm (2.7"), but August may bring thunderstorms to Prague.

What is the temperature in August in Prague?

The average high-temperature, in August, is 23°C (73.4°F), while the average low-temperature is 11.7°C (53.1°F).

What is the average humidity in August in Prague?

In Prague, Czech Republic, the average relative humidity in August is 72%.

How many days does it rain in August in Prague?

In Prague, Czech Republic, during August, the rain falls for 8.8 days and regularly aggregates up to 69.6mm (2.7") of precipitation.

How many hours of daylight does Prague have in August?

In August, the average length of the day in Prague is 14.4h.

How long on average sun shines in August in Prague?

In Prague, Czech Republic, the average sunshine in August is 6.8h.

What is the UV index intensity in August in Prague?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.
Average temperature in August - Prague, Czech Republic
  • Average high temperature in August: 23°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (0.4°C).

  • Average low temperature in August: 11.7°C

The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).

Average humidity in August - Prague, Czech Republic
  • Average humidity in August: 72%

Months with the highest relative humidity are January, November and December (85%).
Months with the lowest relative humidity are April, May and July (70%).

Average rainfall in August - Prague, Czech Republic
  • Average rainfall in August: 69.6mm

The wettest month (with the highest rainfall) is May (77.2mm).
The driest month (with the lowest rainfall) is February (22.6mm).

Average rainfall days in August - Prague, Czech Republic
  • Average rainfall days in August: 8.8 days

The month with the highest number of rainy days is June (10.3 days).
The month with the lowest number of rainy days is October (5.5 days).

Average snowfall in August - Prague, Czech Republic
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (179mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average daylight in August / Average sunshine in August - Prague, Czech Republic
  • Average daylight in August: 14.4h

The month with the longest days is June (Average daylight: 16.3h).
The month with shortest days is December (Average daylight: 8.2h).

  • Average sunshine in August: 6.8h

Months with most sunshine are June and July (Average sunshine: 7.3h).
The month with least sunshine is December (Average sunshine: 1.5h).

Average UV index in August - Prague, Czech Republic
  • Average UV index in August: 6

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 1).