June weather forecast
Keratsini, Greece

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Weather in June

June, the first month of the summer in Keratsini, is also a moderately hot month, with an average temperature ranging between max 28.3°C (82.9°F) and min 20.8°C (69.4°F).

Temperature

June signals a minor shift in the average high-temperature, moving from May's 23.9°C (75°F) to a still warm 28.3°C (82.9°F). Throughout June, an average low-temperature of 20.8°C (69.4°F) is experienced in Keratsini.

Heat index

The heat index value during June is evaluated at 29°C (84.2°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important 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 Keratsini, the average relative humidity in June is 54%.

Rainfall

In Keratsini, during June, the rain falls for 6.3 days and regularly aggregates up to 15mm (0.59") of precipitation. In Keratsini, Greece, during the entire year, the rain falls for 88.8 days and collects up to 263mm (10.35") of precipitation.

Snowfall

In Keratsini, snow does not fall in April through November.

Sea temperature

In June, the average sea temperature in Keratsini, Greece, is 22.6°C (72.7°F).
Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.6°C (72.7°F).

Daylight

The month with the longest days is June, with an average of 14h and 48min of daylight.
On the first day of the month, sunrise is at 06:04 and sunset at 20:42. On the last day of June, sunrise is at 06:06 and sunset at 20:52 EEST.

Sunshine

The average sunshine in June in Keratsini is 11.8h.

UV index

The months with the highest UV index in Keratsini are June through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The UV index of 7 during June leads to these advisories:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Notice! Sand and water reflections contribute to a stronger UV exposure.
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Frequently asked questions

Is it hot in Keratsini during June?

An average high-temperature, in June, in Keratsini, is 28.3°C (82.9°F) and the average low-temperature is 20.8°C (69.4°F). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 29°C (84.2°F).

What is the average humidity in June in Keratsini?

In June, the average relative humidity in Keratsini is 54%.

How many days does it rain in June in Keratsini?

In Keratsini, Greece, in June, during 6.3 rainfall days, 15mm (0.59") of precipitation is typically accumulated.

When it does not snow in Keratsini?

April through November are months without snowfall in Keratsini.

How warm is the water in June in Keratsini?

In Keratsini, Greece, the average seawater temperature in June is 22.6°C (72.7°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22.6°C (72.7°F) water.

When are the longest days in Keratsini?

June has the longest days of the year in Keratsini, with an average of 14h and 48min of daylight.

How many hours of daylight does Keratsini have in June?

In June, the average day length is 14h and 45min.

When are sunrise and sunset in June in Keratsini?

On the first day of June in Keratsini, sunrise is at 06:04 and sunset at 20:42. On the last day of the month, sunrise is at 06:06 and sunset at 20:52 EEST.

How long on average sun shines in June in Keratsini?

In Keratsini, the average sunshine duration in June is 11.8h.

What are the months with the highest UV index in Keratsini?

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

What is the UV index reading in June in Keratsini?

In Keratsini, the average daily maximum UV index in June is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in June
Keratsini, Greece

Average temperature in June - Keratsini, Greece
  • Average high temperature in June: 28.3°C

The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (11.9°C).

  • Average low temperature in June: 20.8°C

The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (7.2°C).

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Average pressure in June
Keratsini, Greece

Average pressure in June - Keratsini, Greece
  • Average pressure in June: 1012mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.1mbar).

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Average wind speed in June
Keratsini, Greece

Average wind speed in June - Keratsini, Greece
  • Average wind speed in June: 12km/h

The windiest month (with the highest average wind speed) is August (15.7km/h).
The calmest month (with the lowest average wind speed) is May (11.4km/h).

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Average humidity in June
Keratsini, Greece

Average humidity in June - Keratsini, Greece
  • Average humidity in June: 54%

The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are July and August (50%).

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Average rainfall in June
Keratsini, Greece

Average rainfall in June - Keratsini, Greece
  • Average rainfall in June: 15mm

The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is August (4mm).

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Average rainfall days in June
Keratsini, Greece

Average rainfall days in June - Keratsini, Greece
  • Average rainfall days in June: 6.3 days

The month with the highest number of rainy days is March (9.9 days).
The month with the least rainy days is August (2 days).

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Average snowfall in June
Keratsini, Greece

Average snowfall in June - Keratsini, Greece
  • Average snowfall in June: 0mm

The months with the highest snowfall are January, February and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in June
Keratsini, Greece

Average snowfall days in June - Keratsini, Greece
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in June
Keratsini, Greece

Average sea temperature in June - Keratsini, Greece
  • Average sea temperature in June: 22.6°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

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Average daylight in June /
Average sunshine in June
Keratsini, Greece

Average daylight in June / Average sunshine in June - Keratsini, Greece
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 11h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

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Average sunshine days in June
Keratsini, Greece

Average sunshine days in June - Keratsini, Greece
  • Average sunshine days in June: 21.3 days

The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is February (16.3 days).

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Average UV index in June
Keratsini, Greece

Average UV index in June - Keratsini, Greece
  • Average UV index in June: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in June
Keratsini, Greece

Average cloud cover in June - Keratsini, Greece
  • Average cloud cover in June: 13

The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in June
Keratsini, Greece

Average visibility in June - Keratsini, Greece
  • Average visibility in June: 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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Keratsini, Greece

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