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

April weather forecast and climate
Alonnisos, Greece

Abril is a comfortable spring month in Alonnisos, Greece, with average temperature fluctuating between 9°C (48.2°F) and 17°C (62.6°F).

Temperature

In Abril, the average high-temperature marginally rises, from a mild 13°C (55.4°F) in Marzo, to a comfortable 17°C (62.6°F). In Abril, in Alonnisos, the average low-temperature is 9°C (48.2°F).

Rainfall

In Alonnisos, during Abril, the rain falls for 8 days and regularly aggregates up to 38mm (1.5") of precipitation. In Alonnisos, during the entire year, the rain falls for 79 days and collects up to 725mm (28.54") of precipitation.

Sea temperature

In Alonnisos, the average seawater temperature is 15°C (59°F).
Note: For swimming, a surface water temperature of 15°C (59°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In Alonnisos, the average length of the day is 13.3h.

Sunshine

The average sunshine in Abril is 8h.

UV index

The average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in Abril interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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.

What is the temperature in Abril in Alonnisos?

In Abril, in Alonnisos, the average high-temperature is 17°C (62.6°F), and the average low-temperature is 9°C (48.2°F).

How many days does it rain in Abril in Alonnisos?

In Alonnisos, Greece, in Abril, it is raining for 8 days, with typically 38mm (1.5") of accumulated precipitation.

What is the sea temperature in Abril in Alonnisos?

In Alonnisos, Greece, the average seawater temperature in Abril is 15°C (59°F). Swimming in 15°C (59°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

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

In Alonnisos, Greece, the average length of the day in Abril is 13.3h.

How many hours of sunshine does Alonnisos have in Abril?

In Alonnisos, Greece, the average sunshine in Abril is 8h.

What is the UV index intensity in Abril in Alonnisos?

In Abril, the average daily maximum UV index in Alonnisos, Greece, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in April - Alonnisos, Greece
  • Average high temperature in April: 17°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 April: 9°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 April - Alonnisos, Greece
  • Average rainfall in April: 38mm

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

Average rainfall days in April - Alonnisos, Greece
  • Average rainfall days in April: 8 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 April - Alonnisos, Greece
  • Average sea temperature in April: 15°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 April / Average sunshine in April - Alonnisos, Greece
  • Average daylight in April: 13.3h

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 April: 8h

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 April - Alonnisos, Greece
  • Average UV index in April: 6

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).