Brno Weather in May
During May, Brno experiences pleasant daytime temperatures of 21°C (70°F) and cooler nights around 10°C (50°F). Expect quite a bit of rainfall. Around 70 mm (2.8 in) is typical.
Rainfall in Brno in May
On average, there are about 13 days with rain during this month, averaging 70 mm (2.8 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Brno in May
Weather in Brno is at its perfect in May. Highs reach 21°C (70°F), while nights settle around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Brno in May
The city usually sees around 225 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Brno in May
Wind speeds average 3 m/s (6 knots) during May. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Brno.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Czech Republic, check out our Brno's climate page.
Brno Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
44%
Precipitation
70 mm (2.8 in)
Rainy days
13 days
Humidity
67%
Windspeed
3 m/s (6 knots)
Sunshine
225 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Brno typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Brno in May
Browse day-by-day weather records for Brno spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Brno historical weather extremes in May
According to our 50 years of weather records for Brno, the following extremes were recorded between 1976 and 2026.
- Brno recorded its highest May temperature of 32°C (90°F) on May 30, 2017.
- The coldest night in May in Brno was on May 1, 1976, with a minimum of -2°C (28°F).
Best Places in Czech Republic in May
Find out more about the weather in Czech Republic and which places have the best travel conditions in this month. See all of Czech Republic in May →
perfect weather
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tolerable
unpleasant
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What to Wear in Brno in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Brno in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Czech Republic, check out our Brno's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Brno climate overview or explore weather in Czech Republic.
