Planning a trip to Kos in May? You are in luck! The weather is generally good, with an average maximum temperature of +70°F and approximately 17 sunny days. Just be prepared for some rain, as there are usually around 5 rainy days and 10 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
May is usually the wettest month of the year in Kos;
Average weather
☀️
+70°F
Avg. max. temperature
+54°F
Min.
+99°F
Max.
10 mm
Total precipitation
80%
Avg. humidity
5 m/s
Avg. wind
17 ☀️
Sunny Days
9 ⛅️
Cloudy
5 🌦
Rainy
Our opinion: Kos has good weather in May.
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Average temperature in Kos in May
Here are the expected maximum, average and minimum temperatures in Kos for May based on the historical data.
Last Year
Historical Data
Going from a maximum of +70°F during the day to a minimum of +61°F during the night, the temperature in May averages around +68°F.
The average maximum temperature goes up 60% by the end of the month, compared with the beginning of the month, from +64°F to +70°F.
Is Kos warm or cold in May?
Kos is typically mild in May.
Maximum temperatures go up compared to the previous month from +64°F to +70°F. The minimum temperature also goes up from +59°F to +64°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Kos:
Water temperature in Kos in May
Water in Kos in May is Fresh. It varies from +64°F to +71°F, with an average of +67°F.This is almost similar to the air temperature, which averages +70°F.
In May, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Kos are reached in August, when the average sea temperature rises to +79°F. The coldest water temperatures are in February, with an average of +62°F.
Can you swim in Kos in May?
Water temperature (+67°F) in Kos in May might be suited for short swims and acclimatized swimmers might find it refreshing.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Think of bringing a full-body or shorty wetsuit (3mm-5mm thickness) to provide insulation and maintain body heat.
Climate in Kos in May
Kos weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+64°F
+70°F
+77°F
Min. temperature
+45°F
+54°F
+59°F
Max. temperature
+84°F
+99°F
+100°F
Rainfall
27 mm
10 mm
2 mm
Wind
5 m/s
5 m/s
6 m/s
Avg. water temperature
+63°F
+67°F
+73°F
Humidity
77%
80%
79%
Air pressure
1012 HPa
1011 HPa
1009 HPa
Sunny days
12
17
26
Cloudy days
10
9
3
Rainy days
9
5
1
Snowy days
0
0
0
May weather is still as good as in April.It’s getting warmer as May arrives. The average maximum temperature goes up from +64°F to +70°F during the day.As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 27 mm to 10 mm.Humidity rises from 77% to 80%.The average wind speed doesn’t change much during May, staying around 5 m/s.The good news is there are likely to be more sunny days in May, from 12 to 17.
But maybe it is worth considering traveling in June as the weather gets better.
Wind speed in Kos in May based on historical data.
Last Year
Historical Data
The average wind speed is 5 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Kos is gradually decreasing during May, going from 3 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Kos based on historical data.
Last Year
Historical Data
Typically, there is a 23% chance of rain on an average day in May, with total rainfall of approximately 28 mm. The maximum amount of rainfall per day is around 7 mm, which is considered light rain.On average, there are about 7 rainy days during May, so prepare to bring an umbrella.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Kos wettest month is December, where a typical day has a 55% chance of precipitation and 146 mm of rainfall per day. July, on the other hand, is the driest month with a mere 0% chance of precipitation and 0 mm of rainfall per day.
How was the weather last May in Kos?
This is the weather in Kos in May 2023:
1 May
☁️
+64°F
2 May
☁️
+65°F
3 May
☁️
+67°F
4 May
🌧️
+66°F
5 May
☁️
+65°F
6 May
☀️
+65°F
7 May
☀️
+67°F
8 May
☀️
+67°F
9 May
☁️
+66°F
10 May
☁️
+65°F
11 May
☁️
+65°F
12 May
☀️
+64°F
13 May
☀️
+65°F
14 May
☀️
+68°F
15 May
☀️
+70°F
16 May
☁️
+68°F
17 May
☀️
+66°F
18 May
☀️
+67°F
19 May
☀️
+67°F
20 May
☀️
+69°F
21 May
☁️
+68°F
22 May
☀️
+66°F
23 May
🌧️
+66°F
24 May
☀️
+68°F
25 May
☀️
+68°F
26 May
☁️
+69°F
27 May
☁️
+71°F
28 May
☁️
+70°F
29 May
☁️
+69°F
30 May
☀️
+69°F
31 May
☀️
+70°F
In May 2023 Kos had 16 sunny days, 13 cloudy days, and 2 rainy days. The average maximum temperature was +68°F, with an absolute maximum of +70°F and a minimum of +64°F. The average humidity was 83%, with a maximum of 100% and a minimum of 70%. The average wind speed was 5 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Kos climate has changed over the last 43 years.
The climate in Kos in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1992 (+66°F) and the highest in 2018 (+75°F). The driest year was 1992 with only 335 mm of rainfall, and the wettest year was 2019 with 1062 mm.
FAQ
Frequently asked questions about the weather in Kos in May:
Is May a good time to visit Kos?
May is a really good time to go to Kos. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Kos.
Can you sunbathe in Kos in May?
May has mild temperatures in Kos. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Kos in May?
In general, you can swim in Kos in May, if you want to, at an average water temperature of +67°F. But it will feel quite cool, and some precautions are necessary to ensure your comfort and safety.
Is Kos rainy in May?
Kos is usually dry in May. Plan your packing around outdoor activities and exploring.
Is it sunny in Kos in May?
The amount of sunny days in Kos during May varies; prepare for a mix of clouds and sun.
For this page, we’ve looked at the typical weather in Kos, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
