Weather in Ostrava in May 2025
Average weather
Average temperature in Ostrava in May
Going from a maximum of +24°C during the day to a minimum of +1°C during the night, the temperature in May averages around +18°C.
The average maximum temperature goes up 13% by the end of the month, compared with the beginning of the month, from +20°C to +23°C.
Is Ostrava warm or cold in May?
Ostrava is typically mild in May.
Maximum temperatures go up compared to the previous month from +14°C to +19°C. The minimum temperature also goes up from +4°C to +8°C.
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 Ostrava:
Climate in Ostrava in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +14°C | +19°C | +22°C | ||||
| Min. temperature | ||||||
| -5°C | -3°C | +3°C | ||||
| Max. temperature | ||||||
| +29°C | +31°C | +34°C | ||||
| Rainfall | ||||||
| 53 mm | 86 mm | 95 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 70% | 72% | 74% | ||||
| Air pressure | ||||||
| 1013 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 7 | 6 | 6 | ||||
| Cloudy days | ||||||
| 6 | 5 | 4 | ||||
| Rainy days | ||||||
| 14 | 16 | 16 | ||||
| Snowy days | ||||||
| 2 | 0 | 0 | ||||
May often has better weather than April. It’s getting warmer as May arrives. The average maximum temperature goes up from +14°C to +19°C during the day. Prepare for more rain. Average rainfall goes from 53 mm to 86 mm. Humidity rises from 70% to 72%. The average wind speed doesn’t change much during May, staying around 2 m/s. The days becoming less sunny, going from 7 sunny days in April to 6 in May.
June brings much the same weather, it remains good.
Wind
The average wind speed is 2 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 Ostrava is gradually increasing during May, going from 1 m/s to 2 m/s over the course of the month.
Rain
How was the weather last May in Ostrava?
Climate Change over Years
The climate in Ostrava in May has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+11°C) and the highest in 2019 (+16°C). The driest year was 1993 with only 508 mm of rainfall, and the wettest year was 1997 with 974 mm.
FAQ
Is May a good time to visit Ostrava?
Can you sunbathe in Ostrava in May?
Is Ostrava rainy in May?
Is it sunny in Ostrava in May?
Other cities in Czech Republic
Monthly weather in Ostrava
Source of the data
For this page, we’ve looked at the typical weather in Ostrava, 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.