Climate guide for Warsaw, Poland

Warsaw in August

Weather, crowds & best time to visit

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August · Poland

Best time to visit Warsaw in August Weather, crowds & prices

Weather in Warsaw in August

Average temperature 21°C, 77 mm of rain, about 27 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

8.7/10

Ranked #5 of 12 months

Full year for Warsaw
Avg temp
21°C
Rainfall
77 mm
Humidity
70%
Days with 6h+ sun
27
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

August in Warsaw scores 8.7/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 21°C, 77 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Rebuilt Old Town squares, the Royal Route, and Vistula boulevards trace Warsaw's postwar reconstruction.

August ranks 5th of 12 for Warsaw — one of the best windows

At 21°C (70°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.

Budget for roughly 77 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 14.6 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Warsaw at 8.7/10 (5th of 12), just behind May at 9.6/10.

Pack light clothing, a hat and real sun protection, a packable rain layer.

Budget for peak pricing, and 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 Warsaw in August?
In August, Warsaw averages 21°C, 77 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
Is August a good time to visit Warsaw?
August earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Warsaw in August?
Expect about 77 mm of rain in August. Average humidity is 70% and there are about 27 days with 6+ hours of sunshine.

Curated in Warsaw

Tickets & experiences

Things to do in Warsaw

Warsaw, Poland. Live activities and tours from GetYourGuide, matched to this destination.