| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Mean air temperature(deg.C) | 9.3 | 9.8 | 11.7 | 15.5 | 20.2 | 24.6 | 27.0 | 26.6 | 23.3 | 18.3 | 14.5 | 11.1 |
| Mean max. air temperature(deg.C) | 12.9 | 13.6 | 16.0 | 20.3 | 25.3 | 29.8 | 32.6 | 32.3 | 28.9 | 23.1 | 18.6 | 14.7 |
| Mean min. air temperature(deg.C) | 6.5 | 6.9 | 8.4 | 11.6 | 15.4 | 20.1 | 22.5 | 22.3 | 19.2 | 14.9 | 11.4 | 8.3 |
| Mean rainfall(mm) | 44.6 | 48.3 | 42.6 | 28.2 | 17.2 | 9.7 | 4.2 | 4.6 | 11.9 | 47.7 | 50.6 | 66.6 |
| Mean no. of rainy days | 13 | 13 | 11 | 10 | 7 | 5 | 2 | 2 | 3 | 9 | 11 | 13 |
| Mean relative humidity(%) | 72 | 71 | 68 | 62 | 58 | 52 | 48 | 49 | 56 | 66 | 73 | 73 |
| Mean cloudiness(octals) | 5.5 | 5.8 | 5.4 | 4.9 | 4.3 | 3.2 | 2.0 | 2.0 | 2.8 | 4.1 | 5.3 | 5.6 |
| Monthly sunshine total(hours) | 138 | 145 | 187 | 239 | 303 | 341 | 374 | 356 | 283 | 218 | 164 | 136 |
Source: Institute of Meteorology of the National Observatory of Athens, Greece. WaterWays assumes no responsibility for the accuracy of the above data. Please contact the above source for more questions.
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