Weather in Brno in May 2025
Average weather
Average temperature in Brno in May
The temperature in May is +66°F on average, with a range between a maximum of +79°F during the day and a minimum of +37°F at night.
The average maximum temperature goes up 22% by the end of the month, compared with the beginning of the month, from +66°F to +75°F.
Is Brno warm or cold in May?
Brno is typically mild in May.
Maximum temperatures go up compared to the previous month from +59°F to +68°F. The minimum temperature also goes up from +41°F to +50°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Brno:
Climate in Brno in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +59°F | +68°F | +73°F | ||||
| Min. temperature | ||||||
| +23°F | +32°F | +39°F | ||||
| Max. temperature | ||||||
| +86°F | +91°F | +95°F | ||||
| Rainfall | ||||||
| 45 mm | 70 mm | 84 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Humidity | ||||||
| 70% | 70% | 71% | ||||
| Air pressure | ||||||
| 1013 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 7 | 7 | 6 | ||||
| Cloudy days | ||||||
| 6 | 5 | 5 | ||||
| Rainy days | ||||||
| 15 | 17 | 17 | ||||
| Snowy days | ||||||
| 1 | 0 | 0 | ||||
May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +59°F to +68°F during the day. Prepare for more rain. Average rainfall goes from 45 mm to 70 mm. Humidity levels don’t change as the month goes on, averaging around 70%. The average wind speed doesn’t change much during May, staying around 3 m/s. The amount of sunny days stay about the same, averaging 7 sunny days during the month.
June brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Brno is gradually decreasing during May, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last May in Brno?
Climate Change Over the Years
The climate in Brno in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1996 (+53°F) and the highest in 2023 (+61°F). The driest year was 1983 with only 359 mm of rainfall, and the wettest year was 2021 with 1029 mm.
FAQ
Is May a good time to visit Brno?
Can you sunbathe in Brno in May?
Is Brno rainy in May?
Is it sunny in Brno in May?
Other cities in Czech Republic
Monthly weather in Brno
Source of the data
For this page, we’ve looked at the typical weather in Brno, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.