Greater Poland Voivodeship · Poland

Poznań in May

In May, Poznań averages a daytime high of 21 °C and a night-time low of 9 °C, with about 47 mm of rain over the month. By the measure used here it is one of the most comfortable months to visit; they run May, June, August and September.

Average high
21 °C
Average low
9 °C
Rain in the month
47 mm
Daylight on 15 May
15 h 50 min
Comfortable month
Yes
Places to stay
90

When to go

How May compares with the rest of the year in Poznań

May is the 4th warmest month in Poznań by average daytime high; across the year the highs run from 2 °C to 26 °C and the lows from -4 °C to 15 °C. By day, May is 5 °C warmer than April, and June is 3 °C warmer than May.

May brings 47 mm of rain, more than the monthly average of 43 mm (514 mm a year); it is the 4th wettest month.

On 15 May the sun is up for about 15 h 50 min, against 7 h 40 min at the shortest and 16 h 50 min at the longest point of the year (calculated from the latitude, sunrise to sunset).

-4°13°30°JanFebMarAprMayJunJulAugSepOctNovDec100 mm
Average highAverage lowRain per monthComfortable months
MonthHighLowRainDaylightComfortable
January2 °C-4 °C33 mm8 h 10 min
February4 °C-3 °C27 mm9 h 50 min
March9 °C1 °C35 mm11 h 50 min
April16 °C5 °C28 mm14 h
May21 °C9 °C47 mm15 h 50 minYes
June23 °C12 °C56 mm16 h 50 minYes
July26 °C15 °C90 mm16 h 20 min
August26 °C14 °C54 mm14 h 40 minYes
September20 °C10 °C45 mm12 h 30 minYes
October14 °C6 °C36 mm10 h 20 min
November7 °C2 °C30 mm8 h 30 min
December3 °C-2 °C34 mm7 h 40 min

Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).

When to go

Is May a good time to visit Poznań?

Yes, by the measure used here: in May the average high of 21 °C is between 18 °C and 29 °C and the 47 mm of rain is under 80 mm. The comfortable months in Poznań are May, June, August and September.

The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.

Public holidays in Poland in May

Nationwide public holidays; shops and offices may close on these dates.

1 May 2026 · Labour Day3 May 2026 · Constitution Day24 May 2026 · Pentecost1 May 2027 · Labour Day3 May 2027 · Constitution Day16 May 2027 · Pentecost27 May 2027 · Corpus Christi

When to go

Destinations near Poznań that are comfortable in May

Within 300 km, nearest first, by the same measure.

Where to stay

Where to stay in Poznań

This guide lists 90 places to stay in Poznań, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 30; 1–3 km, 16; 3–10 km, 29; 10 km or more, 15.

← Poznań in AprilPoznań in June →

Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from the OpenHolidays API (ODbL); places to stay from each operator's own public pages and Wikidata. How this guide is made.