Monthly weather forecast and climate
Czech Republic

Flag of Czech Republic
Flag of Czech Republic

The climate of the Czech Republic

The Czech Republic has a mainly temperate oceanic climate (Köppen climate classification Cfb), with warm, wet summers and cold, snowy winters. A significant portion of the country experiences a warm-summer humid continental climate (Köppen Dfb). The high mountain slopes are subarctic (Köppen Dfc), and the climate is alpine (Köppen ET) above the tree line. The Czech Republic lies in central Europe and shares borders with Poland to the northeast, Slovakia in the southeast, Austria in the south, and Germany to the west. The temperate latitudes and presence of mountain ranges chiefly influence the climate.

The Czech Republic is a landlocked country, between latitudes 48°N and 51°N. The landscape is diverse, with a large percentage of hilly regions. Much of the country lies between altitudes of 200 meters to 500 meters. The western section of Bohemia consists of low mountains engulfing plateaus, rolling plains, and hills. The Elbe and Vltava rivers flow through the low mountains of the Krkonose range of the Sudetes. The eastern region of Moravia is mostly hilly and mountainous. The Morava and Oder rivers drain the eastern part. Most of the rivers flow into the Baltic Sea, the Black Sea, and the North Sea. Snezka is the highest peak in the Czech Republic at 1603 meters above sea level. The Elbe River is the lowest point at 115 meters.

Summers in the Czech Republic are warm, with a moderate amount of sunshine. Showers and thunderstorms are frequent in the afternoon. The average highs across the country range between 20°C (68°F) and 30°C (86°F) and peak by July. Temperatures are generally in the pleasant range of 12.8°C (55°F) to 23.9°C (75°F) in the lowlands. Mid-summer days are occasionally chilly. Winters are cold and cloudy, with substantial snowfall in the mountains, and occasionally light snow in the lowlands. The coldest temperatures occur in January and generally drop below freezing. Spring weather is unstable, especially in the early part of the season. Warm days often alternate with cold ones, and frost and snow are common in April in the highlands. The days are sunny by the second half of May, but the intensity of the sunrays is moderate. Autumn is pleasant in September but becomes progressively cold, cloudy, and rainy in the latter half of the season. Temperatures drop below 15°C (59°F) in October and are below freezing in November. The average annual temperature at the peak of Snezka is -0.6°C (30.9°F) and rises to 10°C (50°F) in the lowlands. Temperatures vary greatly by elevation. Precipitation increases and temperature decreases with increase in altitude.

The average annual rainfall in the Czech Republic is a scarce 381mm (15") to 508mm (20"). The Sudetes Range and the southwest border region are the only areas with moderate rainfall between 838.2mm (33") to 1016mm (40") annually. Much of the precipitation occurs during late spring and summer. May to August is the only period with concentrated heavy rainfall, while sporadic precipitation occurs throughout the year. Snowfall is substantial to the tune of 1016mm (40") to 1778mm (70") in the high mountains. Lowlands receive light snow and frost in the winter. The average annual relative humidity is 77%, with a peak in the winter. The average monthly relative humidity ranges from a low of 70% to a high of 85%. The annual sunshine is in the moderate range of 1600 hours to 2000 hours. June has the longest days and December the shortest.

The highest temperature on record in the Czech Republic is 40.4°C (104.7°F) in Dobrichovice, set in 2012. The lowest temperature on record is -42.2°C (-44°F) in Litvinovice, set in 1929.

The best time to visit the Czech Republic

The best time to visit the Czech Republic is from May in late spring to September in early autumn. Day temperatures during the warmest part of the year range between 18.9°C (66°F) and 30°C (86°F). Nights are mild to cool and usually between 7.8°C (46°F) to 15.6°C (60.1°F). Sunny days are numerous, but bouts of rain and thunderstorms occur frequently. Summer sees peak temperatures and 7 hours of daily sunshine in many parts of the country. The conditions stabilize by late May, and cold fronts are rare compared to the early spring season. September is pleasant, with at least 6 hours of sunshine every day and comfortable temperatures.

The worst time to visit the Czech Republic

The worst time to visit the Czech Republic is during the cold winter from December to February. Temperatures are below freezing in many areas, even during the day. Heavy snowfall occurs in the high mountains. Prague registers average temperatures between -3.9°C (25°F) to 2.8°C (37°F) in the winter. Mount Praded, at 1500 meters, records frigid temperatures between -7.8°C (18°F) to -2.8°C (27°F). The days are cloudy, and the humidity is at the highest of the year. The sunshine is feeble and lasts hardly for 2 hours in many regions. The daylight lasts for only 8 hours in December.

Weather hazards

The Czech Republic faces natural weather hazards, such as floods, thunderstorms, and cyclones. Floods are the most severe hazard with a major event every few years. The Bohemian region under the Vltava and Elbe river basins is prone to heavy flooding. Late spring is prone to floods with the melting of snow and summer during heavy rainfall.
Summer is prone to severe thunderstorms and damaging straight-line winds. Tornadoes occur during the summer. Extratropical cyclones occasionally pass through the country, such as Cyclone Emma, in 2008. Heavy frost and poor visibility is a problem during the winter.

Weather in January

January is the coldest month of the year in the Czech Republic, with mostly dark skies. Temperatures are below the freezing point in many regions, and even the lowlands receive light snowfall. Much of the country has several incidents of frost during cold fronts from Russia. Weather in January »

Weather in February

February is the driest month of the year in the Czech Republic, with less than 25.4mm (1") of rainfall. Snowfall is light in the plains but significant in the mountains. Frost is common, and the cold air masses often settle down on the valley floors. Temperatures above an altitude of 1500 meters remain in the frigid range of -7.8°C (18°F) to -3.9°C (25°F). Weather in February »

Weather in March

March is cold and cloudy in the early spring season in the Czech Republic. The sunshine is weak and hardly lasts for 4 hours every day. The average temperatures are in the range of 0°C (32°F) to 8.9°C (48°F) in the plains. The day highs rise to 11.1°C (52°F) by the second half of the month. Weather in March »

Weather in April

April has mild weather in the spring season in the Czech Republic. The green landscape offers a breath of fresh air, with clear skies for 50% of the time. The daily sunshine increases to 6 hours. Much of the country has a homogenous climate, with temperature based on altitude. Prague registers 14 hours and 41 minutes of daylight by April end. Weather in April »

Weather in May

May is mild to warm in the Czech Republic, with a significant rise in temperatures and sunshine. The average temperatures below an altitude of 500 meters are in the warm range of 7.8°C (46°F) to 19.4°C (66.9°F). The late spring season often sees a surge in rainfall, with an average of 76.2mm (3") in 10 wet days in May. Weather in May »

Weather in June

June has the longest days of the year in the warm summer season in the Czech Republic. The average temperatures in Prague range in the beautiful 11.1°C (52°F) to 22.2°C (72°F) zone, with 7 hours of brilliant sunshine. In Prague, June 20 is the longest day of the year at 16 hours and 23 minutes, with sunrise at 4.52 a.m. Weather in June »

Weather in July

July is the sunniest and hottest month of the year in the Czech Republic. The average temperatures in Prague are in the warm 12.8°C (55°F) to 23.9°C (75°F) range, with 7 hours of daily sunshine. However, afternoons are cloudy due to Atlantic disturbances and prone to thunderstorms. Weather in July »

Weather in August

August is warm and sunny in the Czech Republic, with moderate rainfall of 63.5mm (2.5") to 76.2mm (3"). The days are comfortable to muggy, with relative humidity in the range of 55% to 75%. Afternoons are cloudy and prone to thunderstorms. Weather in August »

Weather in September

September is warm and pleasant at the start of the mild autumn season in the Czech Republic. The average temperatures in Prague are in the comfortable range of 8.9°C (48°F) to 18.9°C (66°F) when the leaves begin to turn colors. Weather in September »

Weather in October

October is mild to cold in the autumn in the Czech Republic. The landscape is colorful everywhere, and the days are comfortable. The daily sunshine lasts for 4 hours amid a sharp decline in daylight from 11.5 hours to 10 hours over the month. Weather in October »

Weather in November

November brings cold weather to the Czech Republic in the last stages of the autumn. The skies are dark, and the daily sunshine lasts for 2 hours. The highest chance of cloudy conditions is 66% during the third week of the month. The average temperatures in Prague are in the cold 1.1°C (34°F) to 6.1°C (43°F) range, with many nights below freezing. Weather in November »

Weather in December

December is the beginning of the cold winter in the Czech Republic, with dark skies and hardly 2 hours of daily sunshine. The average temperatures in Prague are in the frigid range of -2.8°C (27°F) to 2.2°C (36°F). Most nights and many days register temperatures below freezing. Weather in December »
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