City break

Brno weather in May

Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

81

Holiday weather in May

Excellent

Best time to visit: April – September

What is the weather like in Brno in May?

In May, Brno is mild: daytime highs average 20 °C, and nights cool down to about 10 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 62 mm in total. All in all, May is an excellent month for a holiday in Brno.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score708183
Day15°20°24°
Night5°10°14°
Sun7 h8 h8 h
Rain days81111

More details for May

Daylight
15 h 16 min05:12 – 20:28
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
18 km/haverage daily peakAll months
Cloud cover
59 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Prague

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %77 %
  • Few rainy daysweight 30 %51 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in May

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Brno in May: quick answers

Is Brno hot in May?

No. In May, Brno is mild: daytime highs average 20 °C and nights drop to about 10 °C.

Does it rain much in Brno in May?

Rain is frequent, with about 11 rainy days and 62 mm in total.

Brno month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences