When is the best time to go to Kalymnos?

When is the best time to go to Kalymnos? Here's some information to help you in your decision:

  • The best months for good weather in Kalymnos are February, March, April, May, June, July, August, September, October, November and December
  • On average, the warmest months are July, August and September
  • Kalymnos has dry periods in July and August
  • The coldest months are January, February and March
  • The rainiest months are January and December
  • The best months for swimming are June, July, August, September and October

Annual weather in Kalymnos

For full information about the climate and weather in Kalymnos a specific month, click on the corresponding line below:

January 56°F/59°F
February 58°F/61°F
March 59°F/61°F
April 63°F/65°F
May 68°F/70°F
June 74°F/76°F
July 77°F/81°F
August 79°F/81°F
September 76°F/77°F
October 70°F/74°F
November 65°F/68°F
December 59°F/63°F

Weather and climate in Kalymnos

Kalymnos enjoys a hot-summer Mediterranean climate in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Kalymnos is 70°F (ranging from 59°F in january to 81°F in august). Annual rainfall is 47.8in, with a minimum of 0.1in in august and a maximum of 10.4in in january.
  • Between the months of january and march the climate is just OK. The record temperature this month is 68°F and, in march, 6 days of rain are expected.
  • From april to may the climate is good. By early evening, the temperature averages 70°F and it rains about 10% of the time in may.
  • In june the climate is very good. The record temperature this month is 85°F.
  • From july to august the climate is good. At lunchtime, it's 79°F in average and it rains about 0.1in each month.
  • In the month of september the climate is very good. It is for example 77°F as maximum temperature in september.
  • From october to december the climate is good. It is for example 63°F as maximum temperature in december and it rains about 35% of the time in december.

Charts: temperature and rainfall in Kalymnos

In the charts below, you can see the following seasonal norms for the city of Kalymnos: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature


Peak visitor numbers and tourist seasons in Kalymnos

Find out when Kalymnos has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Kalymnos

  • Very low season in Kalymnos
    The months with the lowest number of tourists are: January, February, March, April, October, November and December.
  • Low season in Kalymnos
    The months with low numbers of tourists are: May, June and September.
  • Peak season in Kalymnos
    The largest number of tourists visiting Kalymnos is during: July and August.

Figure: Visitor index for Kalymnos month by month

Other cities and places near Kalymnos

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