Athens
Greece
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Athens, Greece

July is a hot summer month in Athens, Greece, with average temperature fluctuating between 30.9°C (87.6°F) and 23.3°C (73.9°F).
An excellent water temperature of 25.8°C (78.4°F) and only 2.9 rainfall days, with 5mm (0.2") of accumulated rainfall, makes July a prime for swimming and other water activities.

Temperature

In July, the average high-temperature in Athens is practically the same as in June - a hot 30.9°C (87.6°F). In July, in Athens, the average low-temperature is 23.3°C (73.9°F).

Heat index

The average heat index is evaluated at a hot 32.6°C (90.7°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, wind, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In July, the average relative humidity is 51%.

Rainfall

In July, the rain falls for 2.9 days. Throughout July, 5mm (0.2") of precipitation is accumulated. Throughout the year, there are 98.9 rainfall days, and 348mm (13.7") of precipitation is accumulated.

Snowfall

April through December are months without snowfall.

Sea temperature

In Athens, the average seawater temperature is 25.8°C (78.4°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In July, the average length of the day is 14.5h.

Sunshine

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

UV index

Months with the highest UV index in Athens are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in July in Athens?

In Athens, Greece, in July, the average high-temperature is 30.9°C (87.6°F), and the average low-temperature is 23.3°C (73.9°F). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines relative humidity and air temperature, is evaluated at 32.6°C (90.7°F).

What is the average humidity in July in Athens?

The average relative humidity in July in Athens, Greece, is 51%.

How much does it rain in Athens in July?

In Athens, during July, the rain falls for 2.9 days and regularly aggregates up to 5mm (0.2") of precipitation.

When it does not snow in Athens?

April through December are months without snowfall in Athens, Greece.

What is the water temperature in July in Athens?

In Athens, in July, the average water temperature 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.

How many hours of daylight does Athens have in July?

In July, the average length of the day in Athens is 14.5h.

What is the month with the most sunshine in Athens?

Months with the most sunshine in Athens are July and August, with an average of 12h of sunshine.

How many hours of sunshine does Athens have in July?

In Athens, the average sunshine in July is 12h.

What is the month with the highest UV index in Athens?

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

What is the UV index intensity in July in Athens?

In July, the average daily maximum UV index in Athens is 7. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV rays.
Average temperature in July - Athens, Greece
  • Average high temperature in July: 30.9°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (12.1°C).

  • Average low temperature in July: 23.3°C

The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).

Average humidity in July - Athens, Greece
  • Average humidity in July: 51%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (50%).

Average rainfall in July - Athens, Greece
  • Average rainfall in July: 5mm

The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is August (4mm).

Average rainfall days in July - Athens, Greece
  • Average rainfall days in July: 2.9 days

The month with the highest number of rainy days is January (11.3 days).
The month with the least rainy days is August (1.8 days).

Average snowfall in July - Athens, Greece
  • Average snowfall in July: 0mm

The month with the highest snowfall is January (9mm).
Months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in July - Athens, Greece
  • Average snowfall days in July: 0 days

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

Average sea temperature in July - Athens, Greece
  • Average sea temperature in July: 25.8°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).

Average daylight in July / Average sunshine in July - Athens, Greece
  • Average daylight in July: 14.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in July: 12h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5.6h).

Average UV index in July - Athens, Greece
  • Average UV index in July: 7

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).