July weather forecast
Hersonissos, Greece

Clear blue sea waters to the horizon in Hersonissos, in Greece
Clear blue sea waters to the horizon in Hersonissos, in Greece

July

Weather in July

July, like June, in Hersonissos, Greece, is a moderately hot summer month, with temperature in the range of an average high of 27.2°C (81°F) and an average low of 23.1°C (73.6°F).

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.

Frequently asked questions

What are July temperatures?
The high-temperature, in July, in Hersonissos, records 27.2°C (81°F), while the low-temperature is 23.1°C (73.6°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in July is estimated at 29°C (84.2°F).
What is the least humid month?
The least humid month is July, with an average relative humidity of 67%.
What is the average humidity in July?
In July, the average relative humidity is 67%.
How many days does it rain in July?
In July, the rain falls for 1.2 days. Throughout July, 2mm (0.08") of precipitation is accumulated.
How warm is the water in July?
In Hersonissos, in July, the average water temperature is 24°C (75.2°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24°C (75.2°F) water may be enjoyable.
How many hours of daylight does Hersonissos have in July?
In Hersonissos, the average day length in July is 14h and 16min.
When are sunrise and sunset in July?
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.
How many hours of sunshine does Hersonissos have in July?
The average sunshine duration in July is 12h.
What is the month with the highest UV index in Hersonissos?
July and August, with an average maximum UV index of 7, are months with the highest UV index.
How high is the UV index in July?
In Hersonissos, the average daily maximum UV index in July is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
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).

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