July weather forecastKos, Greece

July
Weather in July
July signifies the heart of summer in Kos and a delight for sun worshippers. July witnesses the highest sea temperature, reaching 24.3°C (75.7°F), perfect for swimming and water activities. The climatic transformation from June to July additionally emphasizes the sun-filled weather narrative. With the least cloud cover, the dawning of each day brings vibrant colors and warm sunshine. The hustle and bustle of the island revel in the radiant beauty of Greek summer.Temperature
During July, Kos observes a subtle ascent to a still warm 27.9°C (82.2°F) from June's 25.2°C (77.4°F) in the average high-temperature. During the month of July, Kos's average nighttime temperature closely mirrors its daytime counterpart, at a still moderately hot 24.5°C (76.1°F).Heat index
The heat index value during July is computed to be a hot 30°C (86°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
The months with the lowest humidity are July and October, with an average relative humidity of 65%.Rainfall
July and August are months with the least rain in Kos, Greece, when the rain falls for 1.1 days and typically aggregates up to 1mm (0.04") of rain.Sea temperature
In Kos, in July, the average water temperature is 24.3°C (75.7°F).Note: Factoring in a person's dislike for cold, combined with conditions like sunshine, wind, and temperature, a dip in 24.3°C (75.7°F) waters might be satisfying. (It is worth noting that the Olympic swimming waters are maintained between 25°C (77°F) and 28°C (82.4°F).)
Daylight
The average length of the day in July is 14h and 24min.On the first day of the month, sunrise is at 05:55 and sunset at 20:34. On the last day of July, sunrise is at 06:15 and sunset at 20:18 EEST.
Sunshine
The average sunshine in July in Kos is 10.7h.UV index
July and August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In July, the maximum UV index of 7 transforms into these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Kos, Greece
- Average high temperature in July: 27.9°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 July: 24.5°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 July
Kos, Greece
- Average pressure in July: 1007.6mbar
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 July
Kos, Greece
- Average wind speed in July: 19.8km/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 July
Kos, Greece
- Average humidity in July: 65%
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 July
Kos, Greece
- Average rainfall in July: 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 July
Kos, Greece
- Average rainfall days in July: 1.1 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 July
Kos, Greece
- Average sea temperature in July: 24.3°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 July /
Average sunshine in July
Kos, Greece
- Average daylight in July: 14h and 24min
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 July: 10h and 42min
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 July
Kos, Greece
- Average sunshine days in July: 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 July
Kos, Greece
- Average UV index in July: 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 July
Kos, Greece
- Average cloud cover in July: 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 July
Kos, Greece
- Average visibility in July: 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).








