If you're looking for summer vibes, the best time to travel to Kalymnos Island is in July, August and June, when the average temperature reaches 26.16 °C, while July, August and June are the 3 sunniest months of the year, with an average of 195.31 hours.
However, if you prefer colder temperatures, make sure you visit Kalymnos Island during January, February or December to experience an average of 11.31 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during June, July and August, when the average precipitation in Kalymnos Island is 3.85 mm, while the months of January, February and March are drier, with an average of 0 mm.