Greater Poland Voivodeship · Poland

Poznań in August

In August, Poznań averages a daytime high of 26 °C and a night-time low of 14 °C, with about 54 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
26 °C
Average low
14 °C
Rain in the month
54 mm
Daylight on 15 Aug
14 h 40 min
Comfortable month
Yes
Places to stay
90

When to go

How August compares with the rest of the year in Poznań

August is tied for the 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, August is about the same as July, and September is 6 °C cooler than August.

August brings 54 mm of rain, more than the monthly average of 43 mm (514 mm a year); it is the 3rd wettest month.

On 15 August the sun is up for about 14 h 40 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 August a good time to visit Poznań?

Yes, by the measure used here: in August the average high of 26 °C is between 18 °C and 29 °C and the 54 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 August

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

15 Aug 2026 · Assumption Day15 Aug 2027 · Assumption Day

When to go

Destinations near Poznań that are comfortable in August

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 JulyPoznań in September →

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.