August · Czechia
Best time to visit Prague in August Weather, crowds & prices
Weather in Prague in August
Average temperature 21°C, 98 mm of rain, about 17 days with 6+ hours of sunshine and 67% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
8.1/10
Ranked #4 of 12 months
- Avg temp
- 21°C
- Rainfall
- 98 mm
- Humidity
- 67%
- Days with 6h+ sun
- 17
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Prague scores 8.1/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 21°C, 98 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
From May to September, Prague reveals its castle panoramas and winding Old Town lanes under gentle, crowd-friendly warmth.
August in Prague: strong conditions, 4th of 12
August averages 21°C (70°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 98 mm, so plan one flexible day in three; you still get about 17 days with 6+ hours of sunshine and 14.3 hours of daylight.
It scores 8.1/10 here, 4th of 12 months, against 8.9/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Plan for peak pricing, with this is one of the busiest months here.
Frequently asked
- What is the weather like in Prague in August?
- In August, Prague averages 21°C, 98 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 8.1/10.
- Is August a good time to visit Prague?
- August earns a 8.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Prague in August?
- Expect about 98 mm of rain in August. Average humidity is 67% and there are about 17 days with 6+ hours of sunshine.
Curated in Prague
Tickets & experiences
Things to do in Prague
Prague, Czechia. Live activities and tours from GetYourGuide, matched to this destination.

