Climate Skiathos Ethniko (JSI)
STATION:
Period 1961 - 1990
Table 1
| MONTH | Average Temperature (°C) | Min Temperature (°C) | Max Temperature (°C) | Average Relative Humidity (%) | Average Monthly Rain (mm) | Min Monthly Rain (mm) | Max Monthly Rain (mm) |
| Jan | 9.9 | -1.7 | 22.2 | 76.1 | 78.2 | 0 | 290.6 |
| Feb | 10.2 | -3.2 | 21.2 | 74.8 | 63.2 | 0.7 | 150.9 |
| Mar | 11.7 | -2 | 25.2 | 74.8 | 51.4 | 0 | 115.4 |
| Apr | 15.2 | 2.6 | 31.6 | 72.2 | 22 | 0 | 78.1 |
| May | 19.3 | 6.6 | 37.4 | 71.4 | 17.7 | 0 | 77.6 |
| Jun | 23.7 | 11.4 | 36.8 | 66.6 | 5.2 | 0 | 24.8 |
| Jul | 25.3 | 15.2 | 39.3 | 66.3 | 5.9 | 0 | 43 |
| Aug | 24.8 | 13.9 | 37 | 68 | 10.3 | 0 | 60.6 |
| Sep | 22.1 | 9.4 | 33.4 | 70.8 | 17.9 | 0 | 109 |
| Oct | 18.1 | 5.8 | 34 | 74.2 | 38.7 | 0 | 119.7 |
| Nov | 14.7 | 1.7 | 28 | 76.4 | 53.8 | 0 | 196.4 |
| Dec | 11.7 | 0 | 22.3 | 76.6 | 78.1 | 1.3 | 254.6 |
Table 2
| MONTH | Average number of days with rain | Average number of days with storm | Average number of days with hail | Monthly average wind speed (m/sec) | Average number of days with stormy wind | Average sea level pressure (hPa) | Average sunshine (hours) | Average cloudiness (eighths) |
| Jan | 12.1 | 1.2 | 0.1 | 7 | 2.1 | 1017.4 | | 5.5 |
| Feb | 9.8 | 1.6 | 0.1 | 7.1 | 1.6 | 1015.8 | | 5.4 |
| Mar | 9.3 | 2.1 | 0.1 | 6.2 | 1.2 | 1015.3 | | 4.7 |
| Apr | 7 | 1.5 | 0 | 4.9 | 0.2 | 1012.9 | | 3.8 |
| May | 4.7 | 1.9 | 0 | 4 | 0 | 1013.5 | | 3 |
| Jun | 2.5 | 1.5 | 0 | 4.2 | 0 | 1012.7 | | 1.9 |
| Jul | 1.5 | 1.2 | 0 | 4.8 | 0 | 1012.3 | | 0.9 |
| Aug | 1.3 | 1.3 | 0 | 5.3 | 0 | 1012.7 | | 0.9 |
| Sep | 2.5 | 1.4 | 0 | 5.1 | 0.2 | 1015.7 | | 1.7 |
| Oct | 6.4 | 1.7 | 0 | 6.2 | 1.1 | 1018.1 | | 3.5 |
| Nov | 8.5 | 2.2 | 0.1 | 5.6 | 0.7 | 1017.7 | | 4.6 |
| Dec | 12.3 | 1.9 | 0.2 | 6.2 | 1.3 | 1016.8 | | 5.2 |