July weather forecastErmioni, Greece

July

Weather in July

July, like June, in Ermioni, Greece, is another warm summer month, with an average temperature ranging between min 23.7°C (74.7°F) and max 29.3°C (84.7°F).
The ideal sea water temperature of 25.8°C (78.4°F) and only 3.8 rainfall days, with 6mm (0.24") of accumulated rainfall, makes July the best time for swimming and other water activities.

Temperature

The average high-temperature for July is a still moderately hot 29.3°C (84.7°F), closely aligning with the temperature of the preceding month. Nightly temperatures drop to an average low of 23.7°C (74.7°F) in July.

Heat index

Throughout July, the heat index is computed to be a hot 31°C (87.8°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In Ermioni, the average relative humidity in July is 57%.

Rainfall

The months with the least rainfall in Ermioni are July and August Rain falls for 3.8 days and accumulates 6mm (0.24") of rain.

Snowfall

In Ermioni, snow does not fall in March through November.

Sea temperature

In July, the average sea temperature is 25.8°C (78.4°F).
Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.

Daylight

The average length of the day in July is 14h and 27min.
On the first day of the month, sunrise is at 06:10 and sunset at 20:51. On the last day of July, sunrise is at 06:30 and sunset at 20:35 EEST.

Sunshine

The months with the most sunshine in Ermioni are July and August, with an average of 12h of sunshine.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in July interprets into the following advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be on guard! The reflective nature of sand and water boosts UV exposure.

Frequently asked questions

The average high-temperature and low-temperature during July are 29.3°C (84.7°F) and 23.7°C (74.7°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in July is computed to be 31°C (87.8°F).

In Ermioni, the average relative humidity in July is 57%.

July and August are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 6mm (0.24") of rain.

In Ermioni, in July, during 3.8 rainfall days, 6mm (0.24") of precipitation is typically accumulated.

In Ermioni, snow does not fall in March through November.

In Ermioni, the average seawater temperature in July is 25.8°C (78.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

In Ermioni, the average day length in July is 14h and 27min.

On the first day of July, sunrise is at 06:10 and sunset at 20:51. On the last day of the month, sunrise is at 06:30 and sunset at 20:35 EEST.

The months with the most sunshine are July and August, with an average of 12h of sunshine.

In Ermioni, the average sunshine duration in July is 12h.

June through August, with an average maximum UV index of 7, are months with the highest UV index.

In Ermioni, the average daily maximum UV index in July is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
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 snowfall
Average snowfall days
Average sea temperature
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Ermioni, Greece

  • Average high temperature in July: 29.3°C

The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (12.6°C).

  • Average low temperature in July: 23.7°C

The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (8.6°C).

Average pressure in July
Ermioni, Greece

  • Average pressure in July: 1011.3mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.3mbar).

Average wind speed in July
Ermioni, Greece

  • Average wind speed in July: 12.2km/h

The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is May (11.1km/h).

Average humidity in July
Ermioni, Greece

  • Average humidity in July: 57%

The months with the highest relative humidity are January and February (72%).
The month with the lowest relative humidity is August (56%).

Average rainfall in July
Ermioni, Greece

  • Average rainfall in July: 6mm

The wettest month (with the highest rainfall) is December (36mm).
The driest months (with the least rainfall) are July and August (6mm).

Average rainfall days in July
Ermioni, Greece

  • Average rainfall days in July: 3.8 days

The month with the highest number of rainy days is January (10.8 days).
The month with the least rainy days is August (3.3 days).

Average snowfall in July
Ermioni, Greece

  • Average snowfall in July: 0mm

The month with the highest snowfall is January (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in July
Ermioni, Greece

  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in July
Ermioni, Greece

  • Average sea temperature in July: 25.8°C

The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

Average daylight in July /
Average sunshine in July
Ermioni, Greece

  • Average daylight in July: 14h and 24min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 12h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in July
Ermioni, Greece

  • Average sunshine days in July: 27 days

The month with the most sunshine days is July (27 days).
The month with the least sunshine days is January (16.5 days).

Average UV index in July
Ermioni, Greece

  • Average UV index in July: 7

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in July
Ermioni, Greece

  • Average cloud cover in July: 8

The months with the most cloud cover are January and February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in July
Ermioni, 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).