Karlovy Vary: The Timeless Elegance of a Premier Spa Town
Karlovy Vary, a historic spa town in Bohemia known for its elegant 19th-century architecture, famous hot springs, and rich cultural heritage.
Karlovy Vary Weather in August
Karlovy Vary in August averages 23°C (73°F) during the day and 12°C (54°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.
Rainfall in Karlovy Vary in August
This month experiences about 15 days of rain according to historical data, averaging 84 mm (3.3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Karlovy Vary in August
August is one of the better months to visit Karlovy Vary. Expect 23°C (73°F) during the day and 12°C (54°F) at night. August is part of the summer season. This kind of day-to-night contrast is typical for this time of year. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Karlovy Vary in August
The city usually sees around 185 hours of sunlight, indicating a moderately sunny period.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Karlovy Vary.
Karlovy Vary Temperature in August
Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
49%
Precipitation
84 mm (3.3 in)
Rainy days
15 days
Humidity
74% *
Sunshine
185 hours *
Percentage Sunshine
*
* Data from: Cheb, Czech Republic (35 KM, 22 Miles).
Karlovy Vary Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Karlovy Vary - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Karlovy Vary typically drop from around 22°C (72°F) at the start of August to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°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 Karlovy Vary in August
Browse day-by-day weather records for Karlovy Vary spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Karlovy Vary historical weather extremes in August
According to our 50 years of weather records for Karlovy Vary, the following extremes were recorded between 1976 and 2026.
- The hottest August day on record in Karlovy Vary reached 35°C (95°F) (August 20, 2012).
- Karlovy Vary registered its coldest August night on August 6, 1987, with temperatures dropping to 2°C (36°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 Karlovy Vary in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Karlovy Vary in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Karlovy Vary 3-Day Forecast
More climate data for Karlovy Vary
Temperature Rainfall Sunshine Humidity
See the full Karlovy Vary 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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Karlovy Vary: The Timeless Elegance of a Premier Spa Town
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