Average weather, temperature, rainfall, sunshine hours
The climate of Brno, a city in south-eastern Czech Republic, 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 temperature dropped to -24 °C (-11 °F) in January 1940 and January 1985, to -23 °C (-9.5 °F) in January 1987, and to -22 °C (-7.5 °F) in January 2006.
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 temperature reached 37.8 °C (100 °F) in August 2013, 37 °C (98.5 °F) in August 2003 and in August 2012, and 36 °C (97 °F) in the months of August 1992, 1994, 2015 and 2017 and in July 2007.
The
average temperature of the coldest month (January) is -1.6 °C (29 °F), that of the warmest month (July) is 19.8 °C (67.5 °F). Here are the average temperatures.
Brno - Average temperatures| Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
|---|
| January | -4 | 1 | -1.6 | 24 | 34 | 29.1 |
|---|
| February | -3 | 4 | 0.2 | 26 | 38 | 32.3 |
|---|
| March | 0 | 9 | 4.4 | 32 | 48 | 40 |
|---|
| April | 4 | 15 | 9.8 | 40 | 59 | 49.6 |
|---|
| May | 9 | 20 | 14.7 | 49 | 68 | 58.5 |
|---|
| June | 12 | 23 | 17.6 | 54 | 73 | 63.6 |
|---|
| July | 14 | 26 | 19.8 | 57 | 78 | 67.6 |
|---|
| August | 14 | 25 | 19.6 | 57 | 78 | 67.3 |
|---|
| September | 10 | 20 | 15 | 50 | 68 | 59 |
|---|
| October | 6 | 14 | 9.8 | 42 | 57 | 49.6 |
|---|
| November | 1 | 7 | 4 | 34 | 44 | 39.2 |
|---|
| December | -3 | 2 | -0.4 | 27 | 36 | 31.2 |
|---|
| Year | 5.1 | 13.8 | 9.4 | 41.1 | 56.9 | 49 |
|---|
amounts to 510 mm (20 inches) per year: it is therefore at an intermediate level. The average ranges from 25 mm (1 inch) of rain (or snow) in the driest months (January and February) to 70 mm (2.75 in) in the wettest months (June and July). Here is the average rainfall.
Brno - Average precipitation| Month | Millimeters | Inches | Days |
|---|
| January | 25 | 1 | 6 |
|---|
| February | 25 | 1 | 5 |
|---|
| March | 30 | 1.2 | 6 |
|---|
| April | 30 | 1.2 | 6 |
|---|
| May | 60 | 2.4 | 8 |
|---|
| June | 70 | 2.8 | 9 |
|---|
| July | 70 | 2.8 | 9 |
|---|
| August | 55 | 2.2 | 7 |
|---|
| September | 50 | 2 | 7 |
|---|
| October | 30 | 1.2 | 6 |
|---|
| November | 35 | 1.4 | 7 |
|---|
| December | 30 | 1.2 | 8 |
|---|
| Year | 510 | 20.1 | 84 |
|---|
In an average year, there are about 1,680 hours of
sunshine per year. Here are the average sunshine hours per day.
Brno - Sunshine hours| Month | Average | Total |
|---|
January | 1.5 | 45 | February | 2.5 | 70 | March | 4 | 120 | April | 5.5 | 170 | May | 7 | 220 | June | 7.5 | 220 | July | 7.5 | 235 | August | 7 | 220 | September | 5.5 | 160 | October | 4 | 125 | November | 1.5 | 50 | December | 1.5 | 40 | Year | 4.6 | 1680 |
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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.