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

June weather forecast and climate
Alonnisos, Greece

The first month of the summer, Junio, is a warm month in Alonnisos, Greece, with temperature in the range of an average high of 26°C (78.8°F) and an average low of 17°C (62.6°F).

Temperature

In Junio, the average high-temperature marginally rises, from an agreeable 22°C (71.6°F) in Mayo, to a warm 26°C (78.8°F). In Alonnisos, in Junio, the average low-temperature is 17°C (62.6°F).

Rainfall

In Alonnisos, during 4 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Alonnisos, Greece, 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 21°C (69.8°F).
Note: For swimming, a surface water temperature of 21°C (69.8°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

The month with the longest days in Alonnisos is Junio, with an average of 14.9h of daylight.

Sunshine

In Junio, the average sunshine in Alonnisos is 12h.

UV index

Junio and Julio, with an average maximum UV index of 9, are months with the highest UV index. A UV Index reading of 8 to 10 represents a very high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 9 interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. 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 Junio in Alonnisos?

The average high-temperature, in Junio, is 26°C (78.8°F), while the average low-temperature is 17°C (62.6°F).

How much does it rain in Alonnisos in Junio?

In Alonnisos, Greece, in Junio, it is raining for 4 days, with typically 24mm (0.94") of accumulated precipitation.

How cold is the water in Junio in Alonnisos?

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

When are the longest days in Alonnisos?

With an average of 14.9h of daylight, Junio has the longest days of the year in Alonnisos, Greece.

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

In Junio, the average length of the day in Alonnisos is 14.9h.

How long on average sun shines in Junio in Alonnisos?

In Alonnisos, Greece, the average sunshine in Junio is 12h.

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

Junio and Julio, with an average maximum UV index of 9, are months with the highest UV index.

What is the UV index intensity in Junio in Alonnisos?

In Junio, the average daily maximum UV index in Alonnisos, Greece, is 9. A UV Index estimate of 8 to 10 represents a very high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in June - Alonnisos, Greece
  • Average high temperature in June: 26°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 June: 17°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 June - Alonnisos, Greece
  • Average rainfall in June: 24mm

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

Average rainfall days in June - Alonnisos, Greece
  • Average rainfall days in June: 4 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 June - Alonnisos, Greece
  • Average sea temperature in June: 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 June / Average sunshine in June - Alonnisos, Greece
  • Average daylight in June: 14.9h

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 June: 12h

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 June - Alonnisos, Greece
  • Average UV index in June: 9

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).