October weather forecast and climate
Athens, Greece

The ancient city of Athens in Greece with a view of the Parthenon Temple
The ancient city of Athens in Greece with a view of the Parthenon Temple

Weather in October

October, the same as September, in Athens, Greece, is another pleasant autumn month, with average temperature fluctuating between 16.7°C (62.1°F) and 21.9°C (71.4°F).

Temperature

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

Humidity

In Athens, Greece, 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. In Athens, during the entire year, the rain falls for 98.9 days and collects up to 348mm (13.7") of precipitation.

Snowfall

April through December are months without snowfall in Athens.

Sea temperature

In Athens, the average water 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

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

Sunshine

In October, the average sunshine is 7h.

UV index

In Athens, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in October in Athens?

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

How many days does it rain in October in Athens?

In Athens, 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, in October, the average water temperature is 22.3°C (72.1°F). 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 22.3°C (72.1°F).

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

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

How long on average sun shines in October in Athens?

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

What is the UV index intensity in October in Athens?

In Athens, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in October
Athens, Greece

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).

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Average pressure in October
Athens, Greece

Average pressure in October - Athens, Greece
  • Average pressure in October: 1016.9mbar

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 October
Athens, Greece

Average wind speed in October - Athens, Greece
  • Average wind speed in October: 13.3km/h

The windiest month (with the highest average wind speed) is August (16.3km/h).
The calmest month (with the lowest average wind speed) is May (11.6km/h).

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Average humidity in October
Athens, Greece

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%).

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Average rainfall in October
Athens, Greece

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).

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Average rainfall days in October
Athens, Greece

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).

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Average snowfall in October
Athens, Greece

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).

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Average snowfall days in October
Athens, Greece

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).

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Average sea temperature in October
Athens, Greece

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).

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Average daylight in October /
Average sunshine in October
Athens, Greece

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).

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Average sunshine days in October
Athens, Greece

Average sunshine days in October - Athens, Greece
  • Average sunshine days in October: 19.7 days

The month with the most sunshine days is August (28.5 days).
The month with the least sunshine days is February (14.1 days).

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Average UV index in October
Athens, Greece

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).

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Average cloud cover in October
Athens, Greece

Average cloud cover in October - Athens, Greece
  • Average cloud cover in October: 26

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in October
Athens, Greece

Average visibility in October - Athens, Greece
  • Average visibility in October: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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