Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
July
Weather in July
Temperature
Hersonissos notes an average high-temperature of a still moderately hot 27.2°C (81°F) in July, hardly diverging from June. Night temperatures during July experience a slight downturn, averaging a still warm 23.1°C (73.6°F).Heat index
During July, the heat index is estimated at 29°C (84.2°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The least humid month is July, with an average relative humidity of 67%.Rainfall
In Hersonissos, in July, during 1.2 rainfall days, 2mm (0.08") of precipitation is typically accumulated. In Hersonissos, during the entire year, the rain falls for 99.2 days and collects up to 319mm (12.56") of precipitation.Sea temperature
In July, the average sea temperature is 24°C (75.2°F).Note: Individual cold sensitivities, influenced by sunshine, wind, and the ambient temperature, play a role in finding a swim in 24°C (75.2°F) water pleasant. (Olympic swimming events mandate water temperatures from 25°C (77°F) to 28°C (82.4°F).)
Daylight
In Hersonissos, the average length of the day in July is 14h and 16min.On the first day of July, sunrise is at 06:07 and sunset at 20:37. On the last day of the month, sunrise is at 06:27 and sunset at 20:22 EEST.
Sunshine
In July, the average sunshine is 12h.UV index
July and August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 7 in July translates into this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are July temperatures?
What is the least humid month?
What is the average humidity in July?
How many days does it rain in July?
How warm is the water in July?
How many hours of daylight does Hersonissos have in July?
When are sunrise and sunset in July?
How many hours of sunshine does Hersonissos have in July?
What is the month with the highest UV index in Hersonissos?
How high is the UV index in July?
Average temperature in July
Hersonissos, Greece
- Average high temperature in July: 27.2°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (14.1°C).
- Average low temperature in July: 23.1°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (11.1°C).
Average pressure in July
Hersonissos, Greece
- Average pressure in July: 1009.4mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).
Average wind speed in July
Hersonissos, Greece
- Average wind speed in July: 17.2km/h
The windiest month (with the highest average wind speed) is January (19.4km/h).
The calmest month (with the lowest average wind speed) is May (13km/h).
Average humidity in July
Hersonissos, Greece
- Average humidity in July: 67%
The months with the highest relative humidity are January, February and December (72%).
The month with the lowest relative humidity is July (67%).
Average rainfall in July
Hersonissos, Greece
- Average rainfall in July: 2mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in July
Hersonissos, Greece
- Average rainfall days in July: 1.2 days
The month with the highest number of rainy days is December (15.8 days).
The month with the least rainy days is August (0.6 days).
Average sea temperature in July
Hersonissos, Greece
- Average sea temperature in July: 24°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in July /
Average sunshine in July
Hersonissos, Greece
- Average daylight in July: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in July
Hersonissos, Greece
- Average sunshine days in July: 29.1 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is January (12.4 days).
Average UV index in July
Hersonissos, 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, March and December (UV index 4).
Average cloud cover in July
Hersonissos, Greece
- Average cloud cover in July: 3
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in July
Hersonissos, 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).
