Czech seasons are distinct. Summer, June through August, receives the highest temperatures and also the heaviest rainfall. On average, the summer temperatures are about 20 °C (68 °F). Especially in the last decade, summer temperatures above 30 °C (86 °F) are not unusual.
The cold, bitter winter months of December, January and February often have temperatures reaching as low as -5°C (23°F) in the cities and -10°C (14°F) to -15°C (5°F) or even -30°C (-22°F) in the mountainous areas. They are tailor-made for skiing and other winter pursuits; the mountains receive about 130 days of snow a year, but other areas get coverage as well.
Spring, late March to May, brings changeable, rainy weather and sometimes flooding.
Autumn is also variable but temperatures can be as high as 20°C (68°F) in September.
At the highest peak (Sněžka, 1,602 m/5,260 ft) the average yearly temperature is only −0.4 °C (31 °F), whereas in the lowlands of South Moravia, the average yearly temperature is as high as 10 °C (50 °F). This also applies for the country’s capital Prague, but this is due to urban factors.
Prague – Average Temperature Chart
January 36F 2C 25F – 4C
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March 46F 8C 32F 0C
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May 66F 19C 46F 8C
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July 75F 24C 55F 13C
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September 68F 20C 50F 10C
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November 46F 8C 36F 2C
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February 37F 3C 27F – 3C
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April 58F 14C 39F 4C
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June 72F 22C 52F 11C
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August 73F 23C 55F 13C
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October 55F 13C 41F 5C
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December 37F 3C 28F – 2C
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WednesdayJul 25 28°C82.4°F Light rain showers. Gentle breeze. | ThursdayJul 26 29°C84.2°F Partly cloudy. Light breeze. | FridayJul 27 29°C84.2°F Partly cloudy. Light breeze. | SaturdayJul 28 31°C87.8°F Cloudy. Light air. | SundayJul 29 31°C87.8°F Light rain showers. Gentle breeze. | MondayJul 30 31°C87.8°F Fair. Light breeze. |