The best times to visit Brno for ideal weather are
May 21st to September 30th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Brno Travel Guide
Other Brno Travel Info
Weather in Brno
Average temperatures in Brno vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 43rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Brno, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 82.2°F (27.9°C) with temperatures rarely dropping below 60°F (15.6°C) at night.
Brno Temperatures (Fahrenheit)
Brno Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Brno Perceived Temperature (F)
Brno Perceived Temperature (C)
Average Brno Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Brno are February, April, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late April. For example, on the week of April 23rd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 2 days of significant precipitation the week of May 28th.
When can you find snow in Brno? Weather stations report a good amount of seasonal snow likely to be deepest around February, especially close to early November. The best time to ski (if at all) in Brno is often around around March 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Brno.
Snow on the Ground
The graph below shows the average snow on the ground in Brno (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Brno has some very humid months, with other moderately humid months on the other side of the year. The least humid month is April (49.8% relative humidity), and the most humid month is December (80.4%).
Wind in Brno is usually calm. The windiest month is March, followed by April and May. March’s average wind speed of around 7.8 knots (9 MPH or 14.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid March where average top sustained speeds reach 16.1 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Brno.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||6.7||Light breeze||13.1||Significant breeze|
|Feb||6.8||Light breeze||13.3||Significant breeze|
|Mar||7.8||Gentle breeze||15.3||Significant breeze|
|Apr||7.4||Gentle breeze||14.6||Significant breeze|
|May||7||Gentle breeze||13.9||Significant breeze|
|Jun||6.1||Light breeze||13||Significant breeze|
|Jul||6.3||Light breeze||13.9||Significant breeze|
|Aug||5.7||Light breeze||12.4||Significant breeze|
|Sep||6.4||Light breeze||12.8||Significant breeze|
|Oct||5.8||Light breeze||11.8||Significant breeze|
|Nov||6.4||Light breeze||12.7||Significant breeze|
|Dec||6||Light breeze||11.8||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Brno?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the Czech Republic; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Brno, Czechia is June, followed by August and September. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Brno in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Brno Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 71.5°F (21.9°C) and 46.4°F (8°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 7 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 5 to 6 days of precipitation per month. June – August is the busiest season for tourism in Brno, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 71.4°F (21.9°C) and 40.4°F (4.7°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 3 to 4 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is far too cold this time of year in Brno to be enjoyable for warm weather travelers. The average high during this season is between 46.4°F (8°C) and 33.5°F (0.8°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are fairly slow with tourists.