July weather forecast
Kos, Greece

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.