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Aigáleo, Greece climate
BSh Hot semi-arid
Aigáleo has a seasonal warm-temperate climate (Hot semi-arid, Köppen BSh). The hottest month is August with an average daily high near 33°C, while the coldest is January averaging around 7°C at night. Precipitation totals about 353 mm a year and is strongly seasonal — December alone averages 62 mm while August barely receives 3 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsAigáleo climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 14 | 17 | 20 | 25 | 30 | 33 | 33 | 29 | 24 | 19 | 15 |
| Avg temp (°C) | 10 | 11 | 13 | 16 | 21 | 25 | 28 | 29 | 25 | 20 | 15 | 12 |
| Avg low (°C) | 7 | 7 | 9 | 12 | 16 | 21 | 23 | 24 | 20 | 16 | 12 | 9 |
| Precipitation (mm) | 46 | 36 | 41 | 25 | 15 | 9 | 7 | 3 | 16 | 33 | 61 | 62 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 14 | 17 | 20 | 25 | 30 |
| Avg temp (°C) | 10 | 11 | 13 | 16 | 21 | 25 |
| Avg low (°C) | 7 | 7 | 9 | 12 | 16 | 21 |
| Precipitation (mm) | 46 | 36 | 41 | 25 | 15 | 9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 33 | 29 | 24 | 19 | 15 |
| Avg temp (°C) | 28 | 29 | 25 | 20 | 15 | 12 |
| Avg low (°C) | 23 | 24 | 20 | 16 | 12 | 9 |
| Precipitation (mm) | 7 | 3 | 16 | 33 | 61 | 62 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 6 | 6 | 5 | 3 | 2 | 0.6 | 0.6 | 3 | 4 | 6 | 8 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.5 | 7 | 18 | 18 | 3 | 0.1 | — | — |
| Days with low ≤ 0°C (days) | 0.8 | 0.6 | 0.1 | — | — | — | — | — | — | — | — | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 6 | 6 | 5 | 3 | 2 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.5 | 7 |
| Days with low ≤ 0°C (days) | 0.8 | 0.6 | 0.1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.6 | 0.6 | 3 | 4 | 6 | 8 |
| Days with high ≥ 32°C (days) | 18 | 18 | 3 | 0.1 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | — | — | 0.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 55 | 51 | 44 | 27 | 20 | 19 | 29 | 45 | 55 | 61 |
| Clear days (≤ 30% cloud) | 7 | 7 | 9 | 9 | 12 | 19 | 23 | 24 | 17 | 12 | 8 | 7 |
| Partly cloudy days (30–70%) | 10 | 9 | 11 | 12 | 11 | 9 | 7 | 6 | 9 | 10 | 10 | 9 |
| Cloudy days (≥ 70%) | 13 | 12 | 12 | 10 | 7 | 2 | 1 | 1 | 3 | 9 | 12 | 15 |
| Relative humidity (%) | 81 | 80 | 77 | 71 | 62 | 54 | 51 | 54 | 60 | 70 | 77 | 81 |
| Wind speed (m/s) | 3.6 | 3.6 | 3.3 | 2.9 | 2.7 | 2.8 | 3.4 | 3.6 | 3.2 | 3.3 | 3.4 | 3.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 55 | 51 | 44 | 27 |
| Clear days (≤ 30% cloud) | 7 | 7 | 9 | 9 | 12 | 19 |
| Partly cloudy days (30–70%) | 10 | 9 | 11 | 12 | 11 | 9 |
| Cloudy days (≥ 70%) | 13 | 12 | 12 | 10 | 7 | 2 |
| Relative humidity (%) | 81 | 80 | 77 | 71 | 62 | 54 |
| Wind speed (m/s) | 3.6 | 3.6 | 3.3 | 2.9 | 2.7 | 2.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 20 | 19 | 29 | 45 | 55 | 61 |
| Clear days (≤ 30% cloud) | 23 | 24 | 17 | 12 | 8 | 7 |
| Partly cloudy days (30–70%) | 7 | 6 | 9 | 10 | 10 | 9 |
| Cloudy days (≥ 70%) | 1 | 1 | 3 | 9 | 12 | 15 |
| Relative humidity (%) | 51 | 54 | 60 | 70 | 77 | 81 |
| Wind speed (m/s) | 3.4 | 3.6 | 3.2 | 3.3 | 3.4 | 3.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 26 years of daily observations at Hellinikon, a weather station, about 11 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.