Average annual temperature is 19.9 °C
Absolute maximum temperature: 30.1 °C
Absolute minimum temperature: 6.1 °C
Number of sunny days: 234 days
Number of rainy days: 131 days
Look at detailed online map of Kálymnos
* Weather data for Kálymnos 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) | 18.0 | 18.6 | 18.5 | 19.2 | 25.9 | 27.1 | 30.1 | 28.5 | 28.6 | 25.4 | 25.3 | 20.4 |
| Average daytime temperature (°C) | 16.1 | 13.8 | 16.1 | 17.4 | 20.1 | 24.2 | 28.0 | 27.0 | 26.7 | 23.5 | 21.6 | 18.4 |
| Average temperature (°C) | 15.1 | 12.4 | 14.9 | 16.2 | 18.6 | 22.8 | 26.5 | 25.9 | 25.5 | 22.6 | 20.2 | 17.4 |
| Average night temperature (°C) | 14.0 | 11.2 | 13.5 | 15.0 | 17.5 | 21.7 | 25.0 | 24.9 | 24.3 | 21.7 | 18.5 | 16.3 |
| Absolute minimum temperature (°C) | 9.9 | 6.1 | 9.8 | 12.7 | 15.8 | 18.8 | 22.3 | 24.1 | 19.7 | 19.3 | 12.5 | 12.6 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 8.2 | 8.7 | 10.0 | 11.0 | 11.7 | 12.9 | 13.3 | 12.5 | 11.4 | 9.9 | 7.4 | 7.7 |
| Precipitation (mm) | 129 | 31 | 39 | 45 | 28 | 33 | 0 | 0 | 16 | 3 | 176 | 112 |
| Sunny days | 14 | 16 | 15 | 11 | 18 | 23 | 31 | 31 | 26 | 29 | 6 | 14 |
| Rainy days | 17 | 12 | 16 | 19 | 13 | 7 | 0 | 0 | 4 | 2 | 24 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Kálymnos during the most sunny months:
The largest precipitation sum in Kálymnos is at