August weather forecast
Brno, Czech Republic

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Weather in August

In August, Brno enjoys a healthy summer, being the only month with the peak temperature exceeding July's high of 25.6°C (78.1°F) to reach 26.1°C (79°F). Compared to the previous month, it maintains similar weather conditions with slightly reduced humidity. Long daylight hours persist, aiding all kinds of outdoor activities. August ends on a relatively high note with decent visibility and manageable wind speeds. Despite the high temperatures, the environment remains comfortable owing to manageable humidity levels.

Temperature

August registers as the month with the highest average temperatures in Brno, reaching 26.1°C (79°F) at its peak and 14.7°C (58.5°F) at the lowest.

Humidity

With an average relative humidity of 65%, August is the least humid month in Brno.

Rainfall

In Brno, during August, the rain falls for 9 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, there are 115.7 rainfall days, and 251mm (9.88") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Brno, the average length of the day in August is 14h and 21min.
On the first day of the month, sunrise is at 05:26 and sunset at 20:33. On the last day of August, in Brno, sunrise is at 06:09 and sunset at 19:38 CEST.

Sunshine

With an average of 10.9h of sunshine, August has the most sunshine of the year in Brno, Czech Republic.

UV index

In Brno, Czech Republic, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What are the warmest months in Brno?

August, marked by an average high-temperature of 26.1°C (79°F) and a low-temperature of 14.7°C (58.5°F), is the warmest month in Brno, Czech Republic.

What are the temperatures in Brno in August?

The average high-temperature and low-temperature during August are 26.1°C (79°F) and 14.7°C (58.5°F) respectively.

What is the least humid month in Brno?

The least humid month in Brno is August, with an average relative humidity of 65%.

What is the average humidity in August in Brno?

In August, the average relative humidity is 65%.

How much does it rain in Brno in August?

In August, in Brno, Czech Republic, the rain falls for 9 days. Throughout August, 24mm (0.94") of precipitation is accumulated.

When it does not snow in Brno?

May through September are months without snowfall in Brno, Czech Republic.

What is the average length of the day in August in Brno?

In August, the average day length is 14h and 21min.

When are sunrise and sunset in August in Brno?

In August, on the first day of the month, sunrise is at 05:26 and sunset at 20:33. On the last day of the month, in Brno, Czech Republic, sunrise is at 06:09 and sunset at 19:38 CEST.

What month has the most sunshine in Brno?

With an average of 10.9h of sunshine, August has the most sunshine of the year in Brno.

How long on average sun shines in August in Brno?

In Brno, Czech Republic, the average sunshine duration in August is 10.9h.

What is the UV index reading in August in Brno?

The average daily maximum UV index in August in Brno, Czech Republic, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Brno, Czech Republic

Average temperature in August - Brno, Czech Republic
  • Average high temperature in August: 26.1°C

The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (0.5°C).

  • Average low temperature in August: 14.7°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in August
Brno, Czech Republic

Average pressure in August - Brno, Czech Republic
  • Average pressure in August: 1016.6mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is June (1015mbar).

Average wind speed in August
Brno, Czech Republic

Average wind speed in August - Brno, Czech Republic
  • Average wind speed in August: 9.6km/h

The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in August
Brno, Czech Republic

Average humidity in August - Brno, Czech Republic
  • Average humidity in August: 65%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).

Average rainfall in August
Brno, Czech Republic

Average rainfall in August - Brno, Czech Republic
  • Average rainfall in August: 24mm

The wettest month (with the highest rainfall) is May (41mm).
The driest months (with the least rainfall) are February and April (13mm).

Average rainfall days in August
Brno, Czech Republic

Average rainfall days in August - Brno, Czech Republic
  • Average rainfall days in August: 9 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in August
Brno, Czech Republic

Average snowfall in August - Brno, Czech Republic
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in August
Brno, Czech Republic

Average snowfall days in August - Brno, Czech Republic
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Brno, Czech Republic

Average daylight in August / Average sunshine in August - Brno, Czech Republic
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

Average sunshine days in August
Brno, Czech Republic

Average sunshine days in August - Brno, Czech Republic
  • Average sunshine days in August: 19.6 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in August
Brno, Czech Republic

Average UV index in August - Brno, Czech Republic
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Brno, Czech Republic

Average cloud cover in August - Brno, Czech Republic
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
Brno, Czech Republic

Average visibility in August - Brno, Czech Republic
  • Average visibility in August: 10km

The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January and December (8km).

Brno, Czech Republic

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