Climate - Brno (Czech Republic)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Brno (Czech Republic)
The climate of Brno, a city located at 200 meters (650 feet) above sea level in south-eastern Czechia, is moderately continental, characterized by cold winters, with temperatures often below freezing (0 °C or 32 °F), and mild to pleasantly warm summers.
Winter is cold and gray. Snowfalls are frequent, but generally not abundant.
Sometimes, cold waves from Siberia can occur, during which the temperatures can drop to -15 °C (5 °F) or below. The coldest record is -25 °C (-13 °F) and was set in January 1942.
In summer, the temperatures are pleasant and suitable for outdoor activities, although sometimes there can be rains and thunderstorms.
Every now and then (and more often in recent years due to global warming), there can be short hot periods, with maximum temperatures exceeding 30 °C (86 °F). The highest record is 37.8 °C (100 °F) and was set in August 2013.
Best Time
The best time to visit Brno runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, it can be hot in July and August, while in other circumstances, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket for the evening.
Brno - Climate data
The average temperature of the coldest month (January) is of -1.1 °C (30.0 °F), that of the warmest month (August) is of 20.3 °C (68.5 °F). Here are the average temperatures.Brno - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | -3.9 | 1.7 | -1.1 | 25 | 35 | 30 |
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| February | -3 | 4.2 | 0.6 | 27 | 40 | 33.1 |
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| March | 0.3 | 9.4 | 4.8 | 33 | 49 | 40.7 |
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| April | 4.7 | 15.8 | 10.2 | 40 | 61 | 50.4 |
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| May | 9.1 | 20.1 | 14.6 | 48 | 68 | 58.3 |
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| June | 12.7 | 23.9 | 18.3 | 55 | 75 | 65 |
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| July | 14.4 | 26.2 | 20.3 | 58 | 79 | 68.5 |
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| August | 14.4 | 26.2 | 20.3 | 58 | 79 | 68.5 |
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| September | 10.1 | 20.3 | 15.2 | 50 | 69 | 59.4 |
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| October | 5.6 | 13.9 | 9.8 | 42 | 57 | 49.6 |
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| November | 1.6 | 7.6 | 4.6 | 35 | 46 | 40.3 |
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| December | -2.7 | 2.5 | -0.1 | 27 | 36 | 31.8 |
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| Year | 5.3 | 14.4 | 9.8 | 41.6 | 57.9 | 49.5 |
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Precipitation amounts to 510 millimeters (20.1 inches) per year: so, it is at an intermediate level. It ranges from 25 mm (1 in) in the driest months (January, February) to 70 mm (2.8 in) in the wettest ones (June, July) Here is the average precipitation.Brno - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 25 | 1 | 6 |
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| February | 25 | 1 | 5 |
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| March | 30 | 1.2 | 6 |
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| April | 30 | 1.2 | 6 |
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| May | 60 | 2.4 | 8 |
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| June | 70 | 2.8 | 9 |
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| July | 70 | 2.8 | 9 |
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| August | 55 | 2.2 | 7 |
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| September | 50 | 2 | 7 |
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| October | 30 | 1.2 | 6 |
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| November | 35 | 1.4 | 7 |
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| December | 30 | 1.2 | 8 |
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| Year | 510 | 20.1 | 84 |
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There are on average around 1840 sunshine hours per year. Here are the average hours of sunshine per day.
Brno - Sunshine hours| Month | Average | Total |
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January | 1.5 | 55 | February | 3 | 85 | March | 4.5 | 140 | April | 7 | 210 | May | 7.5 | 225 | June | 8 | 245 | July | 8 | 245 | August | 8 | 245 | September | 6 | 175 | October | 3.5 | 110 | November | 2 | 60 | December | 1.5 | 45 | Year | 5 | 1840 |
Brno - Weather by month
Based on the period 1991-2020
January, the coldest month of the year, is generally a very cold month. The average temperature is of -1.1 °C (30 °F), with a minimum of -3.9 °C (25.1 °F) and a maximum of 1.7 °C (35 °F).
On the coldest nights of the month, the temperature usually drops to around -12.5 °C (9 °F). However, it dropped to -22 °C (-7.6 °F) in January 2006.
On the warmest days of the month, the temperature usually reaches around 10 °C (50 °F). However, it reached 16 °C (60.8 °F) in January 2007.
Precipitation amounts to 25 mm (1 in), distributed over 6 days.
The day lasts on average 8 hours and 40 minutes.
There are on average 1.5 hours of sunshine per day. So, the sun shines 20% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
February is generally a cold month. The average temperature is of 0.6 °C (33 °F), with a minimum of -3 °C (26.6 °F) and a maximum of 4.2 °C (39.5 °F).
On the coldest nights of the month, the temperature usually drops to around -11 °C (12.5 °F). However, it dropped to -17.2 °C (1 °F) in February 2006.
On the warmest days of the month, the temperature usually reaches around 11.5 °C (53 °F). However, it reached 17.4 °C (63.3 °F) in February 2008.
Precipitation amounts to 25 mm (1 in), distributed over 5 days.
The day lasts on average 10 hours and 10 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
March is generally a quite cold month. The average temperature is of 4.8 °C (41 °F), with a minimum of 0.3 °C (32.5 °F) and a maximum of 9.4 °C (48.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -6 °C (21.5 °F). However, it dropped to -14.7 °C (5.5 °F) in March 2005.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 18 °C (64.5 °F). However, it reached 21.3 °C (70.3 °F) in March 2010.
Precipitation amounts to 30 mm (1.2 in), distributed over 6 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
April is generally a mild month. The average temperature is of 10.2 °C (50 °F), with a minimum of 4.7 °C (40.4 °F) and a maximum of 15.8 °C (60.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -2.5 °C (27.5 °F). However, it dropped to -6.3 °C (20.7 °F) in April 2003.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 24 °C (75 °F). However, it reached 29.5 °C (85.1 °F) in April 2012.
Precipitation amounts to 30 mm (1.2 in), distributed over 6 days.
The day lasts on average 13 hours and 50 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 62%.
The average wind speed is 14 kph (9 mph).
May is generally a very mild month. The average temperature is of 14.6 °C (58 °F), with a minimum of 9.1 °C (48.4 °F) and a maximum of 20.1 °C (68.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 3 °C (37 °F). However, it dropped to -2 °C (28.4 °F) in May 2007.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 27.5 °C (81 °F). However, it reached 32 °C (89.6 °F) in May 2017.
Precipitation amounts to 60 mm (2.4 in), distributed over 8 days.
The day lasts on average 15 hours and 25 minutes. So the days are long.
There are on average 7.5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 65%.
The average wind speed is 13 kph (8 mph).
June is generally a warm month. The average temperature is of 18.3 °C (65 °F), with a minimum of 12.7 °C (54.8 °F) and a maximum of 23.9 °C (75.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 7 °C (44.5 °F). However, it dropped to 2.6 °C (36.7 °F) in June 1997.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, it reached 36.6 °C (97.9 °F) in June 2000.
Precipitation amounts to 70 mm (2.8 in), distributed over 9 days.
The day lasts on average 16 hours and 10 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 8 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 66%.
The average wind speed is 12 kph (7 mph).
July is generally a warm month. The average temperature is of 20.3 °C (68 °F), with a minimum of 14.4 °C (57.9 °F) and a maximum of 26.2 °C (79.1 °F).
On the coldest nights of the month, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 5.9 °C (42.6 °F) in July 1993.
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92 °F). However, it reached 36.4 °C (97.5 °F) in July 2013.
Precipitation amounts to 70 mm (2.8 in), distributed over 9 days.
The day lasts on average 15 hours and 40 minutes. So the days are long.
There are on average 8 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 64%.
The average wind speed is 12 kph (7 mph).
August, the warmest month of the year, is generally a warm month. The average temperature is of 20.3 °C (69 °F), with a minimum of 14.4 °C (57.9 °F) and a maximum of 26.2 °C (79.1 °F).
On the coldest nights of the month, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 5 °C (41 °F) in August 2006.
On the warmest days of the month, the temperature usually reaches around 33 °C (91 °F). However, it reached 37.8 °C (100 °F) in August 2013.
Precipitation amounts to 55 mm (2.2 in), distributed over 7 days.
The day lasts on average 14 hours and 20 minutes. So the days are long.
There are on average 8 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 64%.
The average wind speed is 11 kph (7 mph).
September is generally a very mild month. The average temperature is of 15.2 °C (59 °F), with a minimum of 10.1 °C (50.3 °F) and a maximum of 20.3 °C (68.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4 °C (39.5 °F). However, it dropped to 0.4 °C (32.7 °F) in September 2018.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 27 °C (81 °F). However, it reached 31.5 °C (88.7 °F) in September 2015.
Precipitation amounts to 50 mm (2 in), distributed over 7 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
October is generally a mild month. The average temperature is of 9.8 °C (50 °F), with a minimum of 5.6 °C (42.1 °F) and a maximum of 13.9 °C (57 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -1.5 °C (29 °F). However, it dropped to -6.5 °C (20.3 °F) in October 1997.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 22.5 °C (72 °F). However, it reached 27.7 °C (81.9 °F) in October 2011.
Precipitation amounts to 30 mm (1.2 in), distributed over 6 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
November is generally a quite cold month. The average temperature is of 4.6 °C (40 °F), with a minimum of 1.6 °C (35 °F) and a maximum of 7.6 °C (45.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -5.5 °C (22.5 °F). However, it dropped to -11.9 °C (10.6 °F) in November 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 15.5 °C (60.5 °F). However, it reached 19.3 °C (66.7 °F) in November 2010.
Precipitation amounts to 35 mm (1.4 in), distributed over 7 days.
The day lasts on average 9 hours and 5 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 22% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
December is generally a very cold month. The average temperature is of -0.1 °C (32 °F), with a minimum of -2.7 °C (27.2 °F) and a maximum of 2.5 °C (36.4 °F).
On the coldest nights of the month, the temperature usually drops to around -11 °C (12.5 °F). However, it dropped to -21 °C (-5.8 °F) in December 1996.
On the warmest days of the month, the temperature usually reaches around 10 °C (49.5 °F). However, it reached 19 °C (66.2 °F) in December 1999.
Precipitation amounts to 30 mm (1.2 in), distributed over 8 days.
The day lasts on average 8 hours and 20 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 1.5 hours of sunshine per day. So, the sun shines 17% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
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