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Olomouc Weather in August
Olomouc in August sees high daytime temperatures of 25°C (77°F) and nighttime lows of 14°C (57°F). Rainfall is fairly high this month at around 73 mm (2.9 in), so pack a rain jacket to stay dry.
Rainfall in Olomouc in August
Historically, approximately 13 days this month are expected to have rain, averaging 73 mm (2.9 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Olomouc in August
August is a excellent month in Olomouc, with 25°C (77°F) during the day and 14°C (57°F) at night. August is in the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in Olomouc in August
Expect a lot of sunshine this month, with about 244 hours of sun. These sunny conditions add to the overall experience.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Olomouc.
Olomouc Temperature in August
Min Temperature
14°C (57°F)
Max Temperature
25°C (77°F)
Chance of Rain
44%
Precipitation
73 mm (2.9 in)
Rainy days
13 days
Humidity
68% *
Sunshine
244 hours *
Percentage Sunshine
*
* Data from: Brno, Czech Republic (63 KM, 39 Miles).
Olomouc Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Olomouc - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Olomouc typically stay consistent throughout August, with daily highs averaging around 25°C (77°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 15°C (59°F).
Average temperatures in August
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 August
Historical weather records for Olomouc in August
Browse day-by-day weather records for Olomouc spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Olomouc historical weather extremes in August
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Olomouc.
- The warmest day in August was on August 4, 2026, with a maximum of 38°C (100°F).
- The coldest August day was on August 4, 1983, with a maximum of 10°C (50°F).
- Olomouc registered its coldest August night on August 26, 1980, with temperatures dropping to 3°C (37°F).
Best Places in Czech Republic in August
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 August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Olomouc in August
Warm but pleasant conditions in Olomouc in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Olomouc in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Olomouc 3-Day Forecast
More climate data for Olomouc
Temperature Rainfall Sunshine Humidity
See the full Olomouc climate overview or explore weather in Czech Republic.
Popular in August
Where to go in August - average daytime high across popular destinations.
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