Ostrava Weather in May
In Ostrava, May brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 8°C (46°F). Expect quite a bit of rainfall this month.
Rainfall in Ostrava in May
Typically, about 15 days will experience rainfall, with an average of 95 mm (3.7 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Ostrava in May
Ostrava in May is worth a visit. The temperature is perfect, with 20°C (68°F) during the day and 8°C (46°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Ostrava in May
Expect sunny days throughout the month, with an estimated 203 hours of sunshine. This makes it a pleasant time to visit Ostrava.
Wind Speed in Ostrava in May
May has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Ostrava.
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 Ostrava's climate page.
Ostrava Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
20°C (68°F)
Chance of Rain
50%
Precipitation
95 mm (3.7 in)
Rainy days
15 days
Humidity
72%
Windspeed
3 m/s (6 knots)
Sunshine
203 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ostrava typically stay consistent throughout May, with daily highs averaging around 20°C (68°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°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 Ostrava in May
Browse day-by-day weather records for Ostrava spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ostrava historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Ostrava.
- Ostrava recorded its highest May temperature of 30°C (86°F) on May 30, 2005.
- Ostrava registered its coldest May night on May 4, 1980, with temperatures dropping to -3°C (27°F).
- The wettest May day on record brought 48 mm (1.9 in) of precipitation to Ostrava (May 17, 2010).
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 →
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What to Wear in Ostrava in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Ostrava 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 Ostrava's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Ostrava climate overview or explore weather in Czech Republic.
