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

October weather forecast and climate
Athens, Greece

October, like September, is an agreeable autumn month in Athens, Greece, with temperature in the range of an average high of 21.9°C (71.4°F) and an average low of 16.7°C (62.1°F).

Temperature

In Athens, Greece, the average high-temperature drops, from a warm 27°C (80.6°F) in September, to an agreeable 21.9°C (71.4°F). In October, the average low-temperature is 16.7°C (62.1°F).

Humidity

In Athens, the average relative humidity is 65%.

Rainfall

In Athens, in October, it is raining for 8.5 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, there are 98.9 rainfall days, and 348mm (13.7") of precipitation is accumulated.

Snowfall

In Athens snow does not fall in April through December.

Sea temperature

In October, the average sea temperature is 22.3°C (72.1°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22.3°C (72.1°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

The average length of the day in Athens, Greece, is 11.2h.

Sunshine

In October, the average sunshine in Athens, Greece, is 7h.

UV index

The average daily maximum UV index in Athens is 4. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in October in Athens?

In Athens, Greece, in October, the average high-temperature is 21.9°C (71.4°F), and the average low-temperature is 16.7°C (62.1°F).

What is the average humidity in October in Athens?

In Athens, Greece, the average relative humidity in October is 65%.

How many days does it rain in October in Athens?

In Athens, Greece, in October, during 8.5 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

When it does not snow in Athens?

In Athens snow does not fall in April through December.

What is the water temperature in October in Athens?

In Athens, Greece, the average seawater temperature in October is 22.3°C (72.1°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22.3°C (72.1°F) water may be enjoyable.

What is the average length of the day in October in Athens?

In October, the average length of the day in Athens is 11.2h.

How long on average sun shines in October in Athens?

In October, the average sunshine in Athens is 7h.

What is the UV index reading in October in Athens?

The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in October - Athens, Greece
  • Average high temperature in October: 21.9°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 October: 16.7°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 October - Athens, Greece
  • Average humidity in October: 65%

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

Average rainfall in October - Athens, Greece
  • Average rainfall in October: 37mm

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

Average rainfall days in October - Athens, Greece
  • Average rainfall days in October: 8.5 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 October - Athens, Greece
  • Average snowfall in October: 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 October - Athens, Greece
  • Average snowfall days in October: 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 October - Athens, Greece
  • Average sea temperature in October: 22.3°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 October / Average sunshine in October - Athens, Greece
  • Average daylight in October: 11.2h

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 October: 7h

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 October - Athens, Greece
  • Average UV index in October: 4

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).