Climate averages 1991–2020
Piraeus weather
in August.
A hot, very dry month: the 2nd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Piraeus: daytime highs average 32.8°C and nights cool to about 22.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 4.4 mm of rain on roughly 1 day, which makes August a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 38 min on an average August day.
The nearest other city in this atlas is Athens (9 km away). In August its highs average 32.6°C, about as warm as Piraeus, with 4.4 mm of rain.
Among the 11 cities listed in Greece, Piraeus ranks 1st of 11 for the warmest August highs and joint 2nd of 11 for the driest August (rainfall, lowest first). The mean August high of those 11 cities is 31.7°C; Piraeus is 1.1°C warmer than that mean.
From August to September, average highs fall by 4.4°C to 28.4°C, and monthly rainfall rises from 4.4 mm to 15 mm.
The annual picture
August in context
Monthly rainfall
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
Piraeus climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.0°C5.7°C | 5.7°C | 52 | 7.3 | 9.910 h |
| February | 13.0°C6.1°C | 6.1°C | 47 | 7.2 | 10.811 h |
| March | 15.8°C7.9°C | 7.9°C | 49 | 6.4 | 11.912 h |
| April | 19.9°C11.0°C | 11.0°C | 29 | 5.4 | 13.213 h |
| May | 25.3°C15.7°C | 15.7°C | 23 | 4.9 | 14.214 h |
| June | 30.6°C20.3°C | 20.3°C | 11 | 2.5 | 14.715 h |
| July | 33.0°C22.8°C | 22.8°C | 6.4 | 1.3 | 14.515 h |
| August, selected | 32.8°C22.8°C | 22.8°C | 4.4 | 1.1 | 13.614 h |
| September | 28.4°C19.6°C | 19.6°C | 15 | 2.5 | 12.512 h |
| October | 23.0°C15.6°C | 15.6°C | 27 | 3.8 | 11.211 h |
| November | 17.6°C11.3°C | 11.3°C | 45 | 6.6 | 10.210 h |
| December | 13.3°C7.5°C | 7.5°C | 58 | 7.8 | 9.610 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
- Athens in AugustGreece · 9 kmHigh 32.6°C · Low 22.2°C · 4.4 mm rain
- Glyfáda in AugustGreece · 13 kmHigh 32.6°C · Low 23.4°C · 1.3 mm rain
- Khalándrion in AugustGreece · 16 kmHigh 32.1°C · Low 21.6°C · 4.4 mm rain
- Acharnés in AugustGreece · 17 kmHigh 32.6°C · Low 21.2°C · 4.4 mm rain
- Volos in AugustGreece · 170 kmHigh 29.8°C · Low 23.0°C · 24 mm rain
- Pátra in AugustGreece · 171 kmHigh 31.6°C · Low 20.8°C · 14 mm rain
- Lárisa in AugustGreece · 215 kmHigh 32.4°C · Low 21.6°C · 21 mm rain
- Ayvalık in AugustTurkey · 306 kmHigh 29.4°C · Low 22.6°C · 1.7 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 Piraeus) is explained once on the Piraeus year overview and on the Sources, method and limits page.
Athens, Acharnés and Khalándrion lie in the same rainfall cell, so their rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.