Kálymnos Weather & Climate: Best Time to Visit
Kálymnos, Dodecanese, Greece, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in August, while winters cool to 16°C (61°F) in February.
Annual rainfall is moderate at around 666 mm (26 in), with December being the wettest month. The city also has a distinct dry season from April to September. The sunniest month is July, with 11.0 hours of sunshine per day on average.
Monthly Temperature in Kálymnos
Depending on the time of the year, temperatures range from comfortable to moderate in Kálymnos. Average daytime temperatures reach a comfortable 28°C (82°F) in August. In February, the coolest month of the year, temperatures drop to a moderate 16°C (61°F).
At night, temperatures range from around 24°C (75°F) in August to 12°C (54°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kálymnos
Generally, Kálymnos has a moderate amount of precipitation, averaging 666 mm (26 in) of rainfall annually. Kálymnos can be quite wet during December, receiving approximately 146 mm (5.7 in) of precipitation over 14 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 0.1 mm (0 in) of precipitation spread across 5 rainy days days. For more details, please visit our Kálymnos Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Kálymnos
Kálymnos can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Kálymnos 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Kálymnos
During the months of May, June, July, September, October and November, Kálymnos enjoys pleasant weather with average temperatures ranging from 20°C (68°F) to 27°C (80°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 0 mm (0 in) in July to 92 mm (3.6 in) in November. This means you can expect a mix of sunny days and occasional showers. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.