Piraeus

Municipality of Piraeus

168,151 residents (2021) · +2.7% since 2011 · altitude 8 m · July 34 °C

Population (2021 census): 168,151
Change since 2011: +2.7%
Altitude of the seat: 8 m
Regional unit: Piraeus

Climate

Averages for 2001–2025: 7.5 days a year of 37 °C or more, 107 tropical nights, 0 frost days and about 504 mm of rain.

Month	Mean high	Mean low	Rain
Jan	13.4 °C	7.8 °C	68 mm
Feb	14.0 °C	7.9 °C	59 mm
Mar	16.5 °C	9.3 °C	54 mm
Apr	20.3 °C	11.8 °C	30 mm
May	25.8 °C	16.3 °C	20 mm
Jun	31.0 °C	21.1 °C	18 mm
Jul	33.6 °C	23.9 °C	10 mm
Aug	33.3 °C	24.1 °C	9 mm
Sept	29.4 °C	21.0 °C	31 mm
Oct	24.2 °C	16.9 °C	55 mm
Nov	19.4 °C	13.3 °C	67 mm
Dec	15.0 °C	9.6 °C	83 mm

Values are reanalysis on a grid of about 50 km, corrected to the seat's altitude. On islands and coasts the grid covers much sea, so summer highs on land are usually 1–3 °C above the table.

Heating: about 886 degree days a year. A 90 m² middle-floor flat from 1980–2010 would need around 500 litres of heating oil a winter.

Useful tools for the area

01Heating fuel needed this winterEverydayLitres, kg or kWh and cost for the winter, from your prefecture's heating degree days and your home or last winter's consumption.Calculator

02How much your town has warmed: warming stripes since 1981EverydayOne stripe per year since 1981, heatwave days, tropical nights and the warming trend for every prefecture capital.Calculator

03Where to go on holiday in Greece: sea, heat and meltemi by island and monthEverydaySea temperature, daytime highs, heatwave days, windy days and rain for 61 islands and coastal destinations, for every month.Calculator

04Fuel prices by prefecture and fill-up costVehiclesToday's lowest, average and highest petrol, diesel and LPG prices by prefecture, and what a fill-up costs.Calculator

05Power outages near meEverydayHEDNO's planned power outages by prefecture, municipality and street, with a calendar subscription for alerts.Calculator

06Greece flood map: check a locationReal estateCheck a point against Ministry study areas and published river-flood scenarios.Calculator

07Earthquakes near youEverydayRecent earthquakes near your town, with magnitude and distance.Calculator

Nearby municipalities

Sources: ELSTAT censuses and area via Wikidata (CC0); altitude from the Copernicus DEM; climate from the NASA Langley Research Center POWER Project (MERRA-2 reanalysis on a grid of about 50 km, corrected to the seat's altitude). Some municipal boundaries changed in 2019, so the comparison with 2011 may not cover exactly the same area. Updated 2026-10-28. Wikidata Q12875755