Alonnisos
Greece
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Alonnisos, Greece

Octubre, the same as Septiembre, in Alonnisos, Greece, is an agreeable autumn month, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 20°C (68°F).

Temperature

In Alonnisos, Greece, the average high-temperature drops, from a moderately hot 25°C (77°F) in Septiembre, to a pleasant 20°C (68°F). In Alonnisos, the average low-temperature is 13°C (55.4°F).

Rainfall

In Alonnisos, in Octubre, during 6 rainfall days, 76mm (2.99") of precipitation is typically accumulated. Throughout the year, in Alonnisos, there are 79 rainfall days, and 725mm (28.54") of precipitation is accumulated.

Sea temperature

In Alonnisos, the average seawater temperature is 21°C (69.8°F).
Note: For most, swimming in 21°C (69.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in Octubre is 11.2h.

Sunshine

The average sunshine in Alonnisos, Greece, is 7h.

UV index

The average daily maximum UV index in Alonnisos is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for average individuals.
Note: In Octubre, 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. 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.

What is the temperature in Octubre in Alonnisos?

In Octubre, in Alonnisos, Greece, the average high-temperature is 20°C (68°F), and the average low-temperature is 13°C (55.4°F).

How many days does it rain in Octubre in Alonnisos?

In Alonnisos, in Octubre, during 6 rainfall days, 76mm (2.99") of precipitation is typically accumulated.

What is the sea temperature in Octubre in Alonnisos?

In Alonnisos, in Octubre, the average water temperature is 21°C (69.8°F). For most, swimming in 21°C (69.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the average length of the day in Octubre in Alonnisos?

In Octubre, the average length of the day in Alonnisos, Greece, is 11.2h.

How many hours of sunshine does Alonnisos have in Octubre?

In Octubre, the average sunshine is 7h.

What is the UV index intensity in Octubre in Alonnisos?

The average daily maximum UV index in Octubre in Alonnisos, Greece, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in October - Alonnisos, Greece
  • Average high temperature in October: 20°C

Warmest months (with the highest average high temperature) are July and August (28°C).
The month with the lowest average high temperature is January (10°C).

  • Average low temperature in October: 13°C

Months with the highest average low temperature are July and August (19°C).
The coldest month (with the lowest average low temperature) is January (4°C).

Average rainfall in October - Alonnisos, Greece
  • Average rainfall in October: 76mm

The wettest month (with the highest rainfall) is December (119mm).
The driest month (with the lowest rainfall) is July (22mm).

Average rainfall days in October - Alonnisos, Greece
  • Average rainfall days in October: 6 days

The month with the highest number of rainy days is December (10 days).
Months with the lowest number of rainy days are July, August and September (3 days).

Average sea temperature in October - Alonnisos, Greece
  • Average sea temperature in October: 21°C

Best months for swimming (with the highest average sea temperature) are July and August (24°C).
Coldest months (with the lowest average sea temperature) are January, February and March (14°C).

Average daylight in October / Average sunshine in October - Alonnisos, Greece
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in October: 7h

The month with most sunshine is July (Average sunshine: 13h).
Months with least sunshine are January and December (Average sunshine: 4).

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

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).