Average annual temperature is 19.0 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 3.6 °C
Number of sunny days: 214 days
Number of rainy days: 151 days
Look at detailed online map of Gramvoúsa
* Weather data for Gramvoúsa 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) | 18.3 | 23.7 | 20.6 | 25.1 | 26.9 | 31.6 | 41.8 | 36.1 | 31.6 | 29.7 | 30.0 | 23.8 |
| Average daytime temperature (°C) | 15.4 | 13.9 | 16.7 | 18.8 | 21.7 | 26.9 | 33.8 | 31.5 | 26.9 | 25.2 | 22.8 | 18.2 |
| Average temperature (°C) | 12.2 | 10.8 | 13.5 | 15.3 | 18.2 | 23.1 | 29.4 | 27.3 | 23.5 | 20.9 | 18.9 | 14.6 |
| Average night temperature (°C) | 9.4 | 7.7 | 10.7 | 12.0 | 14.7 | 19.2 | 24.8 | 23.2 | 20.3 | 17.3 | 15.1 | 11.4 |
| Absolute minimum temperature (°C) | 6.1 | 3.6 | 6.1 | 8.2 | 12.2 | 15.6 | 21.1 | 20.2 | 17.3 | 14.8 | 7.8 | 7.5 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.0 | 7.9 | 8.9 | 9.9 | 10.5 | 12.8 | 13.0 | 12.6 | 10.3 | 9.9 | 8.4 | 7.0 |
| Precipitation (mm) | 66 | 93 | 79 | 54 | 87 | 22 | 3 | 4 | 119 | 11 | 27 | 83 |
| Sunny days | 11 | 13 | 11 | 17 | 10 | 23 | 30 | 25 | 16 | 25 | 16 | 17 |
| Rainy days | 20 | 15 | 20 | 13 | 21 | 7 | 1 | 6 | 14 | 6 | 14 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gramvoúsa during the most sunny months:
The largest precipitation sum in Gramvoúsa is at