Measurements:
°C
°F
Kos
66°F
N 30 mph
Feels like: 66°F
Precip: 100%
World Resorts Greece Kos Weather August Weather in Kos

Kos Weather: August

Average Day Temperature: 87.0°F
Average Night Temperature: 81.2°F
Sea Water Temperature: 81.4°F
Number of Sunny Days: 31 days
Sunshine Hours: 13.0 - 14.0 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.0 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 88°F. The lowest night temperature was 75°F. The average values for day and night temperatures during August were 81.9°F и 80.2°F respectivly.

Kos Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Kos was 81.7°F. The maximum and minimum values were 79.0°F and 84.4°F respectively.

Sunny, Cloudy and Gloomy days

Almost all days in August are sunny. There is very low probability of clouds or gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Kos is 0.0 in. It makes august one of the least rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 14.5 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Kos in August is 13.2 hours.

Best Time to Visit Kos
The most sunny months:
July 31 days
August 31 days
June 29 days
The most warm months:
August 87.0 °F
July 86.6 °F
September 82.2 °F
Warmest sea temperature:
August 81.4 °F
September 80.2 °F
July 78.8 °F
The most cold months:
January 58.0 °F
February 58.5 °F
March 60.7 °F
The most rainy months:
January 7 days
December 7 days
February 5 days
The most windy months:
January 17 mph
February 17 mph
July 16 mph

Kos on the Weather Map

Greece Resorts:
NAME
Athenes +64
Athos +58
Bali Gr +62
Chalkidiki +58
Chania +62
Corfu +56
Crete +56
Hanioti +58
Heraklion +58
Hersonissos +60
Paralia Katerini +52
Rhodes +62
Santorini +64
Thasos +56
Thessaloniki +54
24 Hours Weather Forecast
Kos
Local time: 11:05
05 dec, friday
1200 66°F
N
30 mph
1500 64°F
NE
22 mph
1800 64°F
N
19 mph
2100 64°F
N
11 mph
06 dec, saturday
0000 64°F
N
7 mph
0300 64°F
N
12 mph
0600 66°F
N
19 mph
0900 64°F
NW
10 mph