August weather forecastKos, Greece

August
Weather in August
August stands as a testament to the glorious Greek summer in Kos, reveling in warmth and prolonged daylight. August mirrors July in terms of sea temperature, sustaining a comfortable layer of warmth at 25.3°C (77.5°F). The weather pattern from July persists, bestowing upon the island the glorious combination of sun, sea, and clear blue skies. The vibe changes minimally from the preceding month, yet August maintains its unique charm. As the ultimate month of the Greek summer, it continues to invite visitors to its enchanting shores.Temperature
The warmest temperatures occur during August, when averages reach a peak of 28.5°C (83.3°F) and a low of 25°C (77°F).Heat index
August's mean heat index is computed to be a tropical 31°C (87.8°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Consider that heat index readings are for situations in the shade and light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In August, the average relative humidity is 66%.Rainfall
July and August are months with the least rain in Kos when the rain falls for 0.4 days and typically aggregates up to 1mm (0.04") of rain.Sea temperature
With an average sea temperature of 25.3°C (77.5°F), August is the month with the warmest seawater.Note: For any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are deemed excellent and extremely satisfying for enduring periods.
Daylight
In Kos, the average length of the day in August is 13h and 32min.On the first day of August in Kos, sunrise is at 06:16 and sunset at 20:17. On the last day of the month, sunrise is at 06:41 and sunset at 19:40 EEST.
Sunshine
In August, the average sunshine in Kos is 10h.UV index
The months with the highest UV index in Kos, Greece, are July and August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 7 in August interprets into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heed this! UV intensity is much stronger when reflected off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Kos, Greece
- Average high temperature in August: 28.5°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (13.8°C).
- Average low temperature in August: 25°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (11.1°C).
Average pressure in August
Kos, Greece
- Average pressure in August: 1008.2mbar
The month with the highest atmospheric pressure is December (1017.6mbar).
The month with the lowest atmospheric pressure is July (1007.6mbar).
Average wind speed in August
Kos, Greece
- Average wind speed in August: 17.5km/h
The windiest month (with the highest average wind speed) is January (23.7km/h).
The calmest month (with the lowest average wind speed) is May (14.4km/h).
Average humidity in August
Kos, Greece
- Average humidity in August: 66%
The months with the highest relative humidity are February, April and May (70%).
The months with the lowest relative humidity are July and October (65%).
Average rainfall in August
Kos, Greece
- Average rainfall in August: 1mm
The wettest month (with the highest rainfall) is January (81mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in August
Kos, Greece
- Average rainfall days in August: 0.4 days
The month with the highest number of rainy days is January (13.5 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature in August
Kos, Greece
- Average sea temperature in August: 25.3°C
The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is March (16.9°C).
Average daylight in August /
Average sunshine in August
Kos, Greece
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in August
Kos, Greece
- Average sunshine days in August: 29.8 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is February (14.1 days).
Average UV index in August
Kos, Greece
- Average UV index in August: 7
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in August
Kos, Greece
- Average cloud cover in August: 3
The month with the most cloud cover is January (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 3).
Average visibility in August
Kos, Greece
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





