July weather forecast
Zakinthos, Greece

July is a hot summer month in Zakinthos, Greece, with an average temperature varying between 30.7°C (87.3°F) and 20.4°C (68.7°F).
An excellent water temperature of 25.8°C (78.4°F) and only 0.5 rainfall days, with 5mm (0.2") of accumulated rainfall, makes July a prime for swimming and other water activities.

Temperature

In Zakinthos, the average temperatures in July are the highest, with a peak at 30.7°C (87.3°F) and a low of 20.4°C (68.7°F).

Heat index

Throughout July, the heat index is estimated at a hot 34°C (93.2°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The least humid month in Zakinthos, Greece, is July, with an average relative humidity of 59.3%.

Rainfall

July is the month with the least rainfall in Zakinthos. Rain falls for 0.5 days and accumulates 5mm (0.2") of precipitation.

Sea temperature

In July, the average sea temperature in Zakinthos is 25.8°C (78.4°F).
Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

In July, the average length of the day in Zakinthos is 14h and 29min.
On the first day of the month, sunrise is at 06:18 and sunset at 21:02. On the last day of July, in Zakinthos, sunrise is at 06:39 and sunset at 20:46 EEST.

Sunshine

July has the most sunshine of the year in Zakinthos, with an average of 13h of sunshine.

UV index

The month with the highest UV index in Zakinthos is July, with an average maximum UV index of 10. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 10 in July converts into the following recommendations:
Being careless can result in skin and eye damage. Always take the necessary safety measures. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Even if it's cloudy, generously apply and frequently reapply a sunscreen with no less than a 30 sun protection factor after each swim or outdoor exercise. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.