Poznań weather in July

July in Poznań: warm, rainy, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Poznań🇵🇱 Poland · Central Europe · City87
  1. 41Jan
  2. 52Feb
  3. 65Mar
  4. 77Apr
  5. 83May
  6. 92Jun
  7. 87Jul
  8. 90Aug
  9. 85Sep
  10. 69Oct
  11. 57Nov
  12. 45Dec

#3 of 12 months in Poznań · #406 of 1413 destinations to visit in July · comfort 87/100 (tier A)

Days
26°C
Nights
14°C
Wet days
12
Sun
11.5 h
Humidity
67%
Daylight
16 h
Poznań, Poland
Photo: Jakub Zerdzicki · Pexels

Traveller notes on Poznań in July

Forum posters put July generally around 20-25C and pleasant, though occasional heat waves can push things warmer, and posters flag July as one of Poland's rainier months compared to May or September - with the caveat that many buildings lack air conditioning, so a heat wave can feel worse than the number suggests. For the visit itself, Poznan's Old Market Square with the town hall is called an absolute must, complete with a daily noon show of two mechanical goats butting heads on the tower - and the Old Town is described as lively and safe well into the evening. Visitors timing a trip for late June will just miss the Malta International Theatre Festival, though summer concerts pick up the slack in July.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗

Other months in Poznań

Forum posters describe January in Poland, Poznań included, as likely snowy and cold, though posters are direct this isn't guaranteed - one recent year turned out surprisingly mild, with temperatures well above 0C across much of the country. Posters generally describe the range of possible January days as genuinely wide: it could be +10C with heavy rain, -10C with heavy snowfall, sunny, or foggy, all within the same month. Posters consistently recommend checking a reliable Polish weather site closer to travel dates rather than relying on generic seasonal averages, given how variable a specific January in Poznań can turn out. Posters generally recommend preparing for cold, potentially snowy conditions while accepting that the exact experience varies significantly year to year.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Poznań's card on the map.

Poznań climate normals — July

Daytime high26°C / 79°F🌤 warm
Nighttime low14°C / 56°F
Feels like (high)26°C / 79°F
Rainfall87 mm / 3.4 in🌧 rainy
Rainy days12 days
Humidity67%💧 humid
Dew point13°C / 55°F
Sunshine11.5 h/day
Daylight16.2 h
Wind17 km/h / 11 mph
Air quality (US AQI)49🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Poznań in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusySummer holidays in Poland, school holidays in 7 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Poznań's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherPoznań's weather peaks June–August.

July includes Malta Festival.

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Best weatherFair weatherToughest weather

What's on in Poznań in July

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Trade fair weeks

    1 Jan – 31 DecBook early

    The fairgrounds sit next to the main station and have done since 1921, so a big fair week fills every central hotel and doubles the rate with no relation to the season. Check the calendar before booking. Source ↗

  • Festival

    Malta Festival

    15 Jun – 10 Jul · usuallyArts festival

    International theatre and performance staged around Lake Malta and in the city, with a good share of it free and outdoors. It started as street theatre on the lake shore and still works best there. Source ↗

What's on around the world in July →

Nearby, and something's on

Within 300 km of Poznań — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Poznań?

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Poznań in July — FAQ

Is July a good time to visit Poznań?
July in Poznań: warm, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Poznań on SeasonMap's comfort score (87/100).
What is the weather like in Poznań in July?
In July, Poznań averages a daily high of 26.1°C and a low of 13.5°C, with about 87.2 mm of rain over roughly 12 rainy days.
What is the air quality in Poznań in July?
Poznań has a mean US Air Quality Index of about 49 in July.

Within 300 km: Berlin's Lake and Freibad season around 15 May – 31 Aug, and Gdańsk's St Dominic's Fair on 25 Jul – 16 Aug.