Kos weather and climate
January
February
March
April
May
June
July
August
September
October
November
December
Overview
Kos weather and climate
January
February
March
April
May
June
July
August
September
October
November
December
Overview
Day
15 °C
Night
9 °C
Sea
17 °C
Precipitation
145 mm
in month
Rainy days
11 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
68 %
Day
15 °C
Night
9 °C
Sea
17 °C
Precipitation
145 mm
in month
Rainy days
11 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
68 %
Overview: Kos
Travel information
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to
Activities
in Kos
Weather charts for Kos
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Weather overview for Kos
Weather overview
Kos (Greece) in general has a hot climate. Temperatures during the day are in the range from 15 °C (60 °F) in February to 33 °C (91 °F) in August. Temperatures during the night go from 8 °C (47 °F) in February to 23 °C (73 °F) in August. The least rainy month in Kos is July with its 1 day of rain, the rainiest month is December, when it rains 11 days. Sea temperatures are in the following range: 16 °C (61 °F) in March to 25 °C (76 °F) in August.
January weather
The day temperature descents similarly to the previous month, the value of this measure is 15 °C (60 °F) in Kos, and the descent of the sea temperature can be observed too, its value is 17 °C (63 °F). The rainfall amount descent's start could be observed, the value of this measure is 145 mm (5.69 in). The night temperature continues to descent, the value of this measure is 9 °C (47 °F).
February weather
The minimum of the day temperature is observable, with its value being 15 °C (60 °F) in Kos, while the descent of the sea temperature can be observed, with its value being 16 °C (62 °F). The number of rainy days starts to descent, its value is 10 days, while the rainfall amount descents similarly to the previous month, its value is 110 mm (4.32 in). The night temperature reaches its minimum, the value of this measure is 8 °C (47 °F). The number of sun hours (without clouds) starts to rise, its value is 6 hours.
March weather
The day temperature rise's start could be observed, with its value being 18 °C (64 °F) in Kos, while the minimum of the sea temperature is observable in this month. The rainfall amount descents similarly to the previous month, the value of this measure is 71 mm (2.81 in), and the descent of the number of rainy days can be observed as well, with its value of 7 days. The night temperature starts to rise, its value is 10 °C (49 °F). The number of sun hours (without clouds) continues to rise, its value is 7 hours.
April weather
The day temperature continues to rise, with its value of 21 °C (70 °F) in Kos, while the sea temperature rise's start could be observed in this month. The descent of the number of rainy days can be observed, with its value being 5 days, and the rainfall amount continues to descent as well, with its value of 35 mm (1.38 in). The night temperature continues to rise, with its value of 12 °C (54 °F). The number of sun hours (without clouds) continues to rise, with its value of 9 hours.
May weather
The rise of the day temperature can be observed in Kos, and the rise of the sea temperature can be observed as well, with its value being 19 °C (66 °F). The number of rainy days descents similarly to the previous month, with its value being 3 days, and the descent of the rainfall amount can be observed as well, with its value being 16 mm (0.61 in). The rise of the night temperature can be observed, the value of this measure is 16 °C (61 °F). The number of sun hours (without clouds) continues to rise, with its value of 11 hours.
June weather
The tourist season is at its beginning in Kos. The rise of the day temperature can be observed, its value is 31 °C (87 °F), and the sea temperature continues to rise too, with its value of 22 °C (71 °F). The rainfall amount continues to descent, with its value of 4 mm (0.16 in), and the descent of the number of rainy days can be observed too, its value is 1 day. The rise of the night temperature can be observed, with its value being 21 °C (69 °F).
July weather
The rise of the day temperature can be observed, its value is 33 °C (91 °F) in Kos, and the rise of the sea temperature can be observed too, with its value of 23 °C (74 °F). The minimum of the number of rainy days is observable, the value of this measure is 1 day, and the rainfall amount is on its minimum as well, with its value of 1 mm (0.04 in). The tourist season is taking place. The maximum of the number of sun hours (without clouds) can be noticed, the value of this measure is 14 hours.
August weather
The ongoing tourist season is noticeable in Kos, and the dry season is taking place too. The sea temperature reaches its maximum, the value of this measure is 25 °C (76 °F), and the day temperature is on its maximum as well, with its value being 33 °C (91 °F). The number of sun hours (without clouds) starts to descent, with its value being 13 hours. The night temperature is on its maximum in this month.
September weather
The tourist season is taking place in Kos. The beginning of the descent of the sea temperature could be noticed, with its value of 24 °C (75 °F), and the beginning of the descent of the day temperature could be noticed as well, its value is 30 °C (86 °F). The rainfall amount starts to rise, its value is 18 mm (0.71 in), and the number of rainy days rise's start could be observed too in September. The number of sun hours (without clouds) continues to descent, with its value being 11 hours.
October weather
The day temperature descents similarly to the previous month, with its value of 26 °C (78 °F) in Kos, and the descent of the sea temperature can be observed as well, its value is 22 °C (72 °F). The number of rainy days continues to rise, with its value being 4 days, and the rainfall amount continues to rise too. The tourist season is close to its peak. The descent of the night temperature can be observed, with its value being 17 °C (62 °F).
November weather
The descent of the sea temperature can be observed, its value is 20 °C (69 °F) in Kos, and the day temperature continues to descent as well, with its value of 20 °C (68 °F). The rise of the number of rainy days can be observed, with its value of 8 days, and the rise of the rainfall amount can be observed too, with its value of 93 mm (3.65 in). The night temperature continues to descent, the value of this measure is 13 °C (55 °F). The descent of the number of sun hours (without clouds) can be observed.
December weather
The sea temperature continues to descent, the value of this measure is 18 °C (65 °F) in Kos, and the day temperature descents similarly to the previous month too. The number of rainy days is on its maximum, with its value being 11 days, and the rainfall amount reaches its maximum as well in December. The humidity reaches its maximum, with its value of 70 %. The number of sun hours (without clouds) is on its minimum, its value is 5 hours.
FAQs
What level of humidity is to expect in Kos in March?
In March in Kos, expect humidity around 67 %.
How many sunny hours can I expect in Kos in April?
In April in Kos, you can expect around 9 hours of sunshine.
What is the average number of rainy days in May in Kos?
In May in Kos, we can expect 3 days to be rainy, that is, days when precipitation exceeds 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.
Is June a good month to visit Kos?
June is one of the best months to visit Kos. The daily temperatures in this month reach pleasant 31 °C (87 °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 22 °C (71 °F) can seem colder to some, but others will call it refreshing.
What is the sea temperature in July in Kos?
In July in Kos expect the sea to be warm at 23 °C (74 °F). 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 Kos in August?
Yes, it is hot in Kos in August, although the perception of heat can be subjective. Daytime temperatures rise to 33 °C (91 °F).
What is the temperature in Kos during the day in September?
The average daily temperature in September in Kos is 30 °C (86 °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 October part of the wet season in Kos?
No, there is no wet season in October in Kos - you can expect 4 days of rain during the month.
What is the night temperature in Kos in November?
The average night temperature in November in Kos is 13 °C (55 °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.