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Kálymnos Weather and Climate: A Comprehensive Guide

The temperature in Kálymnos can vary greatly throughout the year. The temperatures shift from warm to mild. It receives a reasonable amount of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to moderate in Kálymnos. Average daytime temperatures reach a comfortable 28°C in August. In February, the coolest month of the year, temperatures drop to a moderate 16°C.

At night, you can expect cooler temperatures, with averages dropping to around 12°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Kálymnos has a moderate amount of precipitation, averaging 666 mm of rainfall annually. Kálymnos can be quite wet during December, receiving approximately 146 mm of precipitation over 14 rainy days.

In contrast July, experiences much drier conditions, with 0.1 mm of rainfall, spread across 5 rainy days. For more details, please visit our Kálymnos Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

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

Data from: Bodrum City, Turkey (41 KM, 25 Miles).

Daily hours of sunshine

Data from: Bodrum City, Turkey (41 KM, 25 Miles).

Forecast for Kálymnos

Wed   Jan 15
15°C | 11°C
NW 5 m/s
2.5 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

Thu   Jan 16
15°C | 11°C
N 7 m/s
almost clear and no rain

almost clear and no rain

Fri   Jan 17
16°C | 12°C
N 9 m/s
almost clear and no rain

almost clear and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Kálymnos in Greece

During the months of May, June, September, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Kálymnos?
    The hottest season / summer takes place in June, July, August and September.
  • Does Kálymnos have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in Kálymnos?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Kálymnos?
    The coldest month is February with an average maximum temperature of 16°C.
  • Which is the wettest month in Kálymnos?
    December tops the wettest month list with 146 mm of rainfall.
  • Which is the driest month in Kálymnos?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Kálymnos?
    July is the sunniest month with an average of 330 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.