When to go · Greece

When to go to Kos

Twelve months of averages for Kos, and what they say about when to go.

When to go

What the averages say

Mean daily highs and lows and the month's rain, averaged over 2001 to 2020.

On these averages, Kos has a mean high between 18°C and 32°C and under 150 mm of rain in April to June and September to November.

Of those months, it is also dry (under 50 mm of rain) and not humid in April to June, September and October.

Hot months (a mean high of 32°C or more): July and August.
Wet months (150 mm of rain or more): December and January.
The warmest month is August (32°C) and the coolest January (14°C). The wettest is January (152 mm) and the driest July (2 mm); about 715 mm of rain falls in a year.

How these sentences are worded

Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.

Kos: highs, lows and rainHighLowRain

The year at a glance

Mild to warm and dry
Mild to warm, humid or showery
Hot
Cool
Wet
Cold

JanWet
FebCool
MarCool
AprMild–warm, dry
MayMild–warm, dry
JunMild–warm, dry
JulHot
AugHot
SeptMild–warm, dry
OctMild–warm, dry
NovMild–warm, mixed
DecWet

Month by month

Every month in Kos

The whole year, with humidity, cloud and the sunlight reaching the ground.

Climate in Kos by month: mean daily high and low, rain, and what the month is like
Month	High	Low	Rain	Humidity	Cloud	Sunlight (kWh/m²/day)	High in Dubai	What it is like
January	14°C	10°C	152 mm	74%	57%	2.4	23°C	Wet
February	15°C	11°C	109 mm	75%	56%	3.2	24°C	Cool
March	17°C	12°C	63 mm	73%	48%	4.7	27°C	Cool
April	20°C	14°C	43 mm	72%	44%	6.1	31°C	Mild to warm and dry
May	24°C	18°C	24 mm	69%	33%	7.2	35°C	Mild to warm and dry
June	28°C	21°C	6 mm	64%	16%	8	37°C	Mild to warm and dry
July	32°C	24°C	2 mm	58%	8%	8	39°C	Hot
August	32°C	24°C	2 mm	60%	8%	7.2	39°C	Hot
September	28°C	22°C	20 mm	63%	14%	5.9	37°C	Mild to warm and dry
October	24°C	18°C	49 mm	67%	29%	4.2	34°C	Mild to warm and dry
November	20°C	15°C	95 mm	70%	42%	2.9	29°C	Mild to warm, humid or showery
December	16°C	12°C	150 mm	73%	54%	2.2	25°C	Wet

The Dubai column is Dubai's mean daily high, for comparison.

Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.

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Plan a trip to Kos

Tell us when and who is travelling, and a person puts the flights, the stays and the rest into one quote.

Plan a trip to Kos More about Kos When to go

Month

High

Low

Rain

Humidity

Cloud

Sunlight (kWh/m²/day)

High in Dubai

What it is like

January

14°C

10°C

152 mm

74%

57%

2.4

23°C

Wet

February

15°C

11°C

109 mm

75%

56%

3.2

24°C

Cool

March

17°C

12°C

63 mm

73%

48%

4.7

27°C

Cool

April

20°C

14°C

43 mm

72%

44%

6.1

31°C

Mild to warm and dry

May

24°C

18°C

24 mm

69%

33%

7.2

35°C

Mild to warm and dry

June

28°C

21°C

6 mm

64%

16%

37°C

Mild to warm and dry

July

32°C

24°C

2 mm

58%

39°C

Hot

August

32°C

24°C

2 mm

60%

7.2

39°C

Hot

September

28°C

22°C

20 mm

63%

14%

5.9

37°C

Mild to warm and dry

October

24°C

18°C

49 mm

67%

29%

4.2

34°C

Mild to warm and dry

November

20°C

15°C

95 mm

70%

42%

2.9

29°C

Mild to warm, humid or showery

December

16°C

12°C

150 mm

73%

54%

2.2

25°C

Wet