Brno weather and climate
Brno weather and climate
Day
21 °C
Night
9 °C
Precipitation
62 mm
in month
Rainy days
11 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
69 %
Day
21 °C
Night
9 °C
Precipitation
62 mm
in month
Rainy days
11 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
69 %
Overview: Brno
Weather charts for Brno
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Weather overview for Brno
Weather overview
The city of Brno, located in the Czech Republic, is characterized by a temperate continental climate with distinct seasonal variations. Throughout the year, daytime temperatures typically range from a brisk 2.20 degrees Celsius in the depths of winter to a warm 26.60 degrees Celsius during the height of summer. When night falls, residents and visitors can expect temperatures to dip to as low as -3.30 degrees Celsius in January, while July nights remain mild at 14.40 degrees Celsius. February is known for its scarcity of rainy days—only 6.85 days on average—while June often brings more frequent rainfall, accounting for 11.31 rainy days.
January weather
In Brno, the lowest daytime temperatures can be seen in January, reaching just 2.20 degrees Celsius, while night temperatures can also be quite low, hitting -3.30 degrees Celsius. A decreasing trend in the number of rainy days begins to emerge, averaging 7.23 days, alongside a decrease in rainfall amounts, which tally up to 23.48 millimeters.
February weather
February in Brno marks the minimum for both the number of rainy days, averaging 6.85 days, and the amount of rainfall measured at 21.59 millimeters. This month also heralds the start of warming trends for both daytime temperatures, now at 4.20 degrees Celsius, and nighttime temperatures. Additionally, there is an uptick in the number of sun hours without clouds.
March weather
As Brno transitions into March, there's a noticeable increase in daytime temperatures, climbing to 9.30 degrees Celsius, as well as in nighttime temperatures, which rise to 0.60 degrees Celsius. The beginning of increased rainfall is also evident, with 30.44 millimeters of precipitation and 7.50 rainy days. Moreover, there's an observed growth in the number of sunny hours, now at 3.83 hours, and the wind speed reaches its apex at 3.80 meters per second.
April weather
April in Brno exhibits a continual rise in day temperatures, evidenced by an average of 16.00 degrees Celsius, and a similar pattern for night temperatures, which average 4.60 degrees Celsius. The upward trajectory also extends to the number of sun hours, averaging 5.45 hours. Additionally, April is marked by the year's lowest humidity levels.
May weather
Brno's tourist season kicks off in May and with it comes an increase in the number of rainy days, averaging 10.81 days, and a corresponding rise in rainfall amount. Meanwhile, day temperature continues its ascension, now at 21.20 degrees Celsius, and the pattern holds for night temperature, with an average of 9.40 degrees Celsius. The growing number of sun hours also continues, now at 6.85 hours.
June weather
The tourist season in Brno nears its zenith in June, with day temperatures climbing to 23.90 degrees Celsius and night temperatures following suit. This period is also when the maximum number of rainy days is observed, averaging 11.31 days, and the peak rainfall amount occurs. The length of daylight reaches its maximum for the year.
July weather
The height of the tourist season in Brno brings about peak daytime temperatures, averaging 26.60 degrees Celsius, and the highest nighttime temperatures, at 14.40 degrees Celsius. This month also marks the start of a downward trend in rainfall amounts. Furthermore, this time of year is characterized by the most sun hours, averaging 7.33 hours per day.
August weather
As the tourist season persists through August in Brno, day temperatures begin to decline slightly, averaging 25.90 degrees Celsius. In tandem, rainfall amounts also decrease, as do the number of rainy days, averaging 9.05 days. The reduction in sun hours also becomes apparent, while the wind speed registers its lowest values, averaging 2.80 meters per second.
September weather
The late tourist season in Brno sees a downward trend in the number of rainy days, at 8.05 days, and in rainfall amounts, tallying up to 47.99 millimeters. Daytime temperatures continue to drop, now at 20.40 degrees Celsius, and nighttime temperatures begin to cool. Meanwhile, the number of sunny hours steadily decreases to 5.25 hours.
October weather
October in Brno is characterized by further decreases in the number of rainy days, now averaging 6.96 days, and a continued decline in rainfall amounts. Moreover, the descent in both day temperatures, now at 14.50 degrees Celsius, and night temperatures, averaging 5.40 degrees Celsius, is evident. The sequence of reduction in sunny hours maintains its course.
November weather
The drop in day temperatures in Brno is more pronounced in November, reaching an average of 7.70 degrees Celsius, and night temperatures follow the downward trend, with an average of 1.60 degrees Celsius. The number of rainy days begins to mount up, with an average of 7.79 days. Decreases continue in the number of sunny hours, now at 1.73 hours.
December weather
In December, Brno sees a continued fall in daytime temperatures, down to 2.40 degrees Celsius, with nighttime temperatures also decreasing to -2.70 degrees Celsius. Simultaneously, the number of rainy days experiences a small rise, with an average of 8.56 days. The shortest sunny hours and day lengths of the year are notable this month, along with the highest levels of humidity.
FAQs
How cold does it get at night in Brno during January?
In January, night temperatures in Brno often drop to -3.30 degrees Celsius.
What changes in temperature can be observed in Brno during February?
During February in Brno, a gradual rise in both day and night temperatures is notable.
What is the trend in terms of sunlight and wind during March in Brno?
March in Brno sees an increase in sunny hours to 3.83 hours and the year's highest average wind speeds at 3.80 meters per second.
Is April typically dry in terms of humidity in Brno?
Yes, April features the lowest humidity of the year in Brno.
How does the beginning of the tourist season affect Brno's climate in May?
With the onset of tourist season in May, Brno experiences a rise in both temperatures and rainy days.
Does the peak of the tourist season in Brno coincide with the maximum number of rainy days?
Yes, in June, alongside the peak tourist season, Brno experiences the highest average number of rainy days at 11.31 days.
What can visitors expect during July in terms of sunshine in Brno?
Visitors to Brno in July will enjoy the most sunny hours of the year, averaging 7.33 hours daily.
In August, as tourist season continues in Brno, what changes occur in weather patterns?
During the ongoing tourist season in August, Brno's day temperatures and rainfall start to decrease, along with a decline in sunny hours.
What is the pattern of rainfall and sunshine as Brno's tourist season winds down in September?
As Brno's tourist season draws to a close in September, there's a noticeable decrease in both rainy days and sunny hours.
As autumn progresses in Brno, what is the trend for sunshine in October?
In October, as autumn advances in Brno, sunny hours continue to diminish, averaging approximately 3.94 hours.
How does Brno's weather shift as winter approaches in November?
As winter nears, Brno experiences a marked decline in both day and night temperatures, along with reduced sunny hours.
What weather patterns emerge in Brno during December, the final month of the year?
December in Brno is marked by minimal temperature readings, shorter day lengths, and the highest humidity of the year.