Average annual temperature is 19.2 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 5.3 °C
Number of sunny days: 251 days
Number of rainy days: 114 days
Look at detailed online map of Poseidonia
* Weather data for Poseidonia Greece is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.2 | 17.1 | 18.5 | 18.7 | 22.3 | 27.1 | 34.5 | 28.9 | 28.6 | 24.7 | 26.0 | 20.1 |
| Average daytime temperature (°C) | 15.1 | 13.0 | 15.1 | 16.5 | 19.1 | 23.6 | 28.7 | 27.4 | 25.2 | 22.4 | 20.8 | 17.2 |
| Average temperature (°C) | 14.1 | 12.0 | 14.1 | 15.4 | 17.8 | 22.0 | 26.8 | 26.1 | 23.8 | 21.4 | 19.5 | 16.2 |
| Average night temperature (°C) | 13.2 | 10.9 | 13.0 | 14.5 | 16.9 | 20.9 | 25.1 | 25.0 | 22.6 | 20.6 | 18.1 | 15.2 |
| Absolute minimum temperature (°C) | 7.4 | 5.3 | 10.1 | 12.1 | 14.9 | 18.0 | 23.0 | 24.3 | 19.7 | 18.8 | 11.8 | 11.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.1 | 8.4 | 9.6 | 10.7 | 11.8 | 12.6 | 13.1 | 12.6 | 10.9 | 9.8 | 8.1 | 7.7 |
| Precipitation (mm) | 92 | 38 | 42 | 19 | 28 | 17 | 0 | 0 | 29 | 1 | 91 | 58 |
| Sunny days | 15 | 17 | 15 | 17 | 18 | 27 | 31 | 30 | 22 | 27 | 15 | 17 |
| Rainy days | 16 | 11 | 16 | 13 | 13 | 3 | 0 | 1 | 8 | 4 | 15 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Poseidonia during the most sunny months:
The largest precipitation sum in Poseidonia is at