Climate guide for Prague, Czechia

Prague in August

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

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

Full year for Prague
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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

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.