Poznań weather in December

December in Poznań: cold, a little rain, with clean air — one of the weakest months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Poznań🇵🇱 Poland · Central Europe · City45
  1. 41Jan
  2. 52Feb
  3. 65Mar
  4. 77Apr
  5. 83May
  6. 92Jun
  7. 87Jul
  8. 90Aug
  9. 85Sep
  10. 69Oct
  11. 57Nov
  12. 45Dec

#11 of 12 months in Poznań · #1260 of 1413 destinations to visit in December · comfort 45/100 (tier F)

Days
5°C
Nights
0°C
Wet days
10
Sun
2.4 h
Humidity
88%
Daylight
8 h
Poznań, Poland
Photo: Jakub Zerdzicki · Pexels

Traveller notes on Poznań in December

Notes from nearby Wrocław (145 km away)

Poznań doesn't have its own notes for December yet — these are about Wrocław, close enough to share the season.

Forum posters describe December temperatures in Wrocław as ranging as low as -20C in a cold snap up to around 5C on a milder day, generally cold and hovering near freezing. Posters describe heavy rain as rare this time of year, with light drizzle more typical, turning to snow once temperatures drop below freezing - and note Wrocław, along with Gdańsk, tends to run on the milder side compared to other Polish cities in winter. Posters consistently recommend solid, waterproof footwear given the likelihood of slushy, sometimes slippery streets, and flag how early it gets dark, around 3:30pm this time of year. Posters generally rate December favorably despite the cold and short days, citing Wrocław's well-regarded Christmas markets and festively lit old town as a real draw.
Tripadvisor community · December · 1 month ago · about Wrocław · 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 ↗
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 ↗

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

Poznań climate normals — December

Daytime high5°C / 41°F🧥 cold
Nighttime low0°C / 32°F
Feels like (high)1°C / 34°F
Rainfall43 mm / 1.7 in🌦 some rain
Rainy days10 days
Humidity88%💦 very humid
Dew point1°C / 33°F
Sunshine2.4 h/day
Daylight7.8 h
Wind19 km/h / 12 mph
Snowfall4.4 cm / 1.7 in
Air quality (US AQI)43🍃 good

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

Crowds in Poznań in December

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.

Peak crowdsBetlejem Poznańskie, Christmas break 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).

Toughest weatherPoznań's weather peaks June–August.

December coincides with Winter smog.

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Best weatherFair weatherToughest weather

What's on in Poznań in December

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 ↗

  • Hazard

    Winter smog

    10 Nov – 5 Mar · usually

    Solid-fuel stoves in the older districts and windless, freezing days push the air into the range Poland is known for. Better than Kraków's valley, worse than the coast, and it comes in spells of a few days. Source ↗

  • Festival

    Betlejem Poznańskie

    25 Nov – 27 Dec · usuallyChristmas & New YearCrowded

    The market spreads over Plac Wolności and the old market square, with an ice rink and a run of ice sculptures that draws its own crowd. Smaller and less coach-driven than Wrocław's, an hour and a half down the line. Source ↗

What's on around the world in December →

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 December — FAQ

Is December a good time to visit Poznań?
December in Poznań: cold, a little rain, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Poznań on SeasonMap's comfort score (45/100).
What is the weather like in Poznań in December?
In December, Poznań averages a daily high of 5.1°C and a low of -0.1°C, with about 43.1 mm of rain over roughly 10.3 rainy days.
What is the air quality in Poznań in December?
Poznań has a mean US Air Quality Index of about 43 in December.
Does it snow in Poznań in December?
Poznań sees roughly 4.4 cm of snowfall in December.

Within 300 km: Berlin's Christmas markets and Silvester on 23 Nov – 1 Jan, and Gdańsk's Christmas Fair on 20 Nov – 23 Dec.