Climate averages 1991–2020
Gdańsk weather
in August.
A warm, moderately wet month: one of the warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Gdańsk: daytime highs average 22.3°C and nights cool to about 14.8°C. By daytime temperature it is one of the warmest months of the year.
Expect about 69 mm of rain on roughly 12 days, which makes August a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 54 min on an average August day.
The nearest other city in this atlas is Gdynia (20 km away). In August its highs average 21.9°C, about as warm as Gdańsk, with 81 mm of rain.
Among the 60 cities listed in Poland, Gdańsk ranks 54th of 60 for the warmest August highs and joint 36th of 60 for the driest August (rainfall, lowest first). The mean August high of those 60 cities is 23.3°C; Gdańsk is 1.0°C cooler than that mean.
From August to September, average highs fall by 4.5°C to 17.8°C, and monthly rainfall falls from 69 mm to 51 mm.
The annual picture
August in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Gdańsk climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.6°C-2.2°C | -2.2°C | 35 | 10.0 | 8.08 h |
| February | 2.5°C-2.1°C | -2.1°C | 29 | 8.5 | 9.710 h |
| March | 6.2°C-0.2°C | -0.2°C | 36 | 10.0 | 11.812 h |
| April | 11.9°C3.5°C | 3.5°C | 40 | 9.6 | 14.014 h |
| May | 16.7°C8.1°C | 8.1°C | 59 | 11.3 | 16.016 h |
| June | 20.1°C12.1°C | 12.1°C | 67 | 12.4 | 17.117 h |
| July | 22.3°C14.8°C | 14.8°C | 84 | 12.9 | 16.617 h |
| August, selected | 22.3°C14.8°C | 14.8°C | 69 | 12.0 | 14.915 h |
| September | 17.8°C11.4°C | 11.4°C | 51 | 9.3 | 12.813 h |
| October | 12.2°C7.0°C | 7.0°C | 46 | 10.1 | 10.611 h |
| November | 6.7°C2.9°C | 2.9°C | 37 | 9.2 | 8.69 h |
| December | 3.0°C-0.6°C | -0.6°C | 40 | 9.7 | 7.47 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Gdynia in AugustPoland · 20 kmHigh 21.9°C · Low 14.9°C · 81 mm rain
- Elbląg in AugustPoland · 54 kmHigh 22.2°C · Low 15.2°C · 75 mm rain
- Grudziądz in AugustPoland · 97 kmHigh 23.0°C · Low 14.6°C · 64 mm rain
- Słupsk in AugustPoland · 106 kmHigh 21.1°C · Low 15.1°C · 85 mm rain
- Kaliningrad in AugustRussia · 126 kmHigh 22.4°C · Low 14.7°C · 76 mm rain
- Olsztyn in AugustPoland · 136 kmHigh 22.0°C · Low 13.9°C · 66 mm rain
- Fordon in AugustPoland · 138 kmHigh 23.2°C · Low 14.8°C · 63 mm rain
- Bydgoszcz in AugustPoland · 143 kmHigh 23.3°C · Low 14.7°C · 61 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Gdańsk) is explained once on the Gdańsk year overview and on the Sources, method and limits page.