Kálymnos weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
January
February
March
April
May
June
July
August
September
October
November
December
Overview
Kálymnos weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
January
February
March
April
May
June
July
August
September
October
November
December
Overview
Day
33 °C
Night
24 °C
Sea
24 °C
Precipitation
2 mm
in month
Rainy days
1 days
in month
Daylight
13 hours
average
Sunshine
13 hours
average
Humidity
53 %
Day
33 °C
Night
24 °C
Sea
24 °C
Precipitation
2 mm
in month
Rainy days
1 days
in month
Daylight
13 hours
average
Sunshine
13 hours
average
Humidity
53 %
Overview: Kálymnos
Weather charts for Kálymnos
Weather overview
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Destinations nearby and activities
Destinations nearby
Activities in Kálymnos
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Pebble beaches
🏖️🪨
Rocky beaches
🤿🐠
Scuba diving
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Rock climbing
⛰️
Hills
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Destinations with similar weather to Kálymnos
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Weather overview for Kálymnos
Weather overview
Kálymnos (Greece) is a place with a hot climate. Temperatures during the day are in the range from 14 °C (57 °F) in February to 33 °C (91 °F) in July. The highest night temperatures could be experienced in August with 24 °C (74 °F), the lowest in February with 7 °C (45 °F). Sea temperatures are in the following range: 16 °C (61 °F) in March to 24 °C (75 °F) in August. The driest month is July with just 1 day of rain, on the contrary, the month when it rains the most is December with 12 days of rain.
January weather
The descent of the sea temperature can be observed, its value is 17 °C (63 °F) in Kálymnos, and the day temperature descents similarly to the previous month too, the value of this measure is 14 °C (58 °F). The descent of the night temperature can be observed, the value of this measure is 8 °C (46 °F). The rainfall amount starts to descent, with its value of 137 mm (5.39 in).
February weather
The descent of the sea temperature can be observed, the value of this measure is 16 °C (62 °F) in Kálymnos, while the minimum of the day temperature can be noticed in this month. The rainfall amount continues to descent, its value is 105 mm (4.12 in), while the number of rainy days descent's start could be observed, with its value being 11 days. The night temperature reaches its minimum, its value is 7 °C (45 °F). The beginning of the rise of the number of sun hours (without clouds) could be noticed, with its value of 6 hours.
March weather
The sea temperature reaches its minimum, the value of this measure is 16 °C (61 °F) in Kálymnos, while the day temperature starts to rise, its value is 17 °C (62 °F). The number of rainy days descents similarly to the previous month, the value of this measure is 7 days, and the descent of the rainfall amount can be observed as well, its value is 71 mm (2.78 in). The night temperature starts to rise, with its value of 9 °C (49 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 7 hours.
April weather
The day temperature rises similarly to the previous month, the value of this measure is 21 °C (69 °F) in Kálymnos, while the beginning of the rise of the sea temperature could be noticed in this month. The descent of the number of rainy days can be observed, its value is 5 days, and the rainfall amount continues to descent too. The rise of the night temperature can be observed. The rise of the number of sun hours (without clouds) can be observed, its value is 9 hours.
May weather
The sea temperature continues to rise, the value of this measure is 19 °C (66 °F) in Kálymnos, and the day temperature rises similarly to the previous month too, the value of this measure is 25 °C (78 °F). The number of rainy days continues to descent, with its value being 3 days, and the rainfall amount continues to descent too, with its value of 15 mm (0.58 in). The night temperature rises similarly to the previous month, its value is 16 °C (61 °F). The rise of the number of sun hours (without clouds) can be observed, the value of this measure is 11 hours.
June weather
The day temperature continues to rise in Kálymnos, and the rise of the sea temperature can be observed too, its value is 21 °C (71 °F). The descent of the number of rainy days can be observed, the value of this measure is 1 day, and the rainfall amount continues to descent too, the value of this measure is 4 mm (0.14 in). The tourist season is about to start. The rise of the night temperature can be observed, the value of this measure is 21 °C (69 °F).
July weather
The tourist season continues in Kálymnos. The sea temperature continues to rise, the value of this measure is 23 °C (73 °F), while the maximum of the day temperature can be noticed, with its value being 33 °C (91 °F). The number of rainy days is on its minimum, and the minimum of the rainfall amount is observable as well in this month. The maximum of the number of sun hours (without clouds) can be noticed, with its value being 14 hours.
August weather
The tourist season is close to its peak in Kálymnos, and the dry season is taking place too this month. The sea temperature is on its maximum, with its value of 24 °C (75 °F), and the night temperature reaches its maximum as well in August. The number of sun hours (without clouds) descent's start could be observed in August.
September weather
The tourist season is close to its peak in Kálymnos, and the dry season is taking place as well. The number of rainy days starts to rise, with its value being 1 day, and the rainfall amount rise's start could be observed as well in September. The day temperature starts to descent, with its value of 29 °C (84 °F), and the beginning of the descent of the night temperature could be noticed as well, the value of this measure is 20 °C (68 °F).
October weather
The day temperature descents similarly to the previous month, with its value being 25 °C (76 °F) in Kálymnos, while the sea temperature descent's start could be observed, with its value being 22 °C (72 °F). The ongoing tourist season is noticeable. The rise of the number of rainy days can be observed, with its value being 4 days, and the rainfall amount continues to rise too, the value of this measure is 42 mm (1.65 in). The night temperature continues to descent, with its value of 16 °C (61 °F).
November weather
The sea temperature continues to descent, the value of this measure is 20 °C (68 °F) in Kálymnos, and the day temperature continues to descent as well, with its value of 19 °C (66 °F). The rise of the number of rainy days can be observed, with its value being 8 days, and the rise of the rainfall amount can be observed as well, its value is 87 mm (3.44 in). The night temperature descents similarly to the previous month, its value is 12 °C (54 °F). The descent of the number of sun hours (without clouds) can be observed, with its value of 6 hours.
December weather
The sea temperature descents similarly to the previous month, with its value being 18 °C (65 °F) in Kálymnos, and the day temperature descents similarly to the previous month as well, with its value of 16 °C (61 °F). The maximum of the number of rainy days can be noticed, its value is 12 days, and the maximum of the rainfall amount can be noticed as well, with its value being 146 mm (5.77 in). The night temperature descents similarly to the previous month, the value of this measure is 10 °C (49 °F). The minimum of the number of sun hours (without clouds) is observable in this month.
FAQs
How windy is it in March in Kálymnos?
An average wind scale that can be expected in Kálymnos in March is 4.
How many sunny hours can I expect in April in Kálymnos?
In Kálymnos in April, you can expect around 9 hours of sunshine.
How many rainy days can I expect in Kálymnos in May?
There are 3 days, which are rainy in May in Kálymnos, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 0.6 days of the week, or in general - 9 % days.
Are there good conditions to visit in June in Kálymnos?
In June in Kálymnos, there are ideal conditions for a vacation. The temperature during the day will be nice 30 °C (86 °F). At night, temperatures hover around a pleasant 21 °C (69 °F). You can expect just 1 day of rain during the month, taking an umbrella is not necessary. A sea temperature of 21 °C (71 °F) can seem colder to some, but others will call it refreshing.
What is the sea temperature in Kálymnos in July?
The sea will reach 23 °C (73 °F) in Kálymnos in July. This warm sea is nice for swimming, maybe cold for some, but most people can spend a long time in it.
Is it hot in August in Kálymnos?
Yes, it is hot in Kálymnos in August, although the perception of heat can be subjective. Daytime temperatures rise to 33 °C (91 °F).
What temperature can I expect during the day in Kálymnos in September?
In Kálymnos in September, the average daily temperatures will be 29 °C (84 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
Is there a wet season in October in Kálymnos?
No, there is no wet season in Kálymnos in October - you can expect 4 days of rain during the month.
What is the air temperature in November in Kálymnos at night?
The average night temperature in Kálymnos in November is 12 °C (54 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.
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