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 15°C, created by highs of 20°C during the daytime and lows of 10°C after dark. This rises up to 17°C by the end of the month, created by highs of 22°C during the daytime and lows of 12°C after dark, making the final week of June the best time to visit if you want to holiday in Prague when the city is warmest.

Even though it only happens on an average of once every ten days, temperatures can sometimes rise above 28°C and drop below 5°C in Prague in June. The highest temperature ever registered in the city during this month is 34°C, whilst the coldest temperature ever recorded here at this time of year is 2°C.

Over the course of an average June, the length of the day is essentially constant, with a small difference of 12 minutes between the beginning and the end. June 1st is the shortest day of the month with 16:06 hours of daylight, whilst June 21st is the longest day of the month with 16:25 hours of daylight.

Sunshine Hours

During the month, Prague enjoys an average of ten hours of daily sunshine – that's the same as in May – alongside median cloud coverage of 50% (partly cloudy) which hardly varies at all. Cloud coverage begins at 50% on June 1st and rises up to 51% by June 27th. 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.


The average monthly precipitation for the city in June is 67mm/3 inches – that's slightly less than the previous month – which is spread out between 17 rainy days. The probability of rainfall making an appearance across the month averages at around 60%. The most likely day is June 26th when rainfall falls on 61% of days, whilst the least likely day is June 2nd, when it falls on 59% of days. The most common forms of precipitation you can expect to see in Prague in June are moderate rain (which occurs on 52% of days with rainfall), thunderstorms (35%) and light rain (12%).


At 69% – slightly higher than May – the humidity for Prague in June is relatively low compared to the colder winter and spring months, such as February and March. At this time of year, the relative humidity for the city fluctuates between 49% (comfortable) and 93% (very humid), rarely falling below 33% (comfortable) or reaching as high as 100% (very humid). The air is usually driest around June 3rd, when the relative humidity falls below 57% (mildly humid) three days out of four, whilst it's at its most humid around June 16th, when it rises above 89% (very humid) three days out of four.


During June, typical wind speeds range between 1 m/s (light air) and 7 m/s (moderate breeze), rarely going above 10 m/s (fresh breeze). The highest average wind speed of 4 m/s (gentle breeze) happens around June 30th, when the average daily maximum is 6 m/s (moderate breeze), whilst the lowest average wind speed of 4 m/s occurs around June 2nd, when the average daily maximum is 6 m/s.


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