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

May weather forecast and climate
Alonnisos, Greece

The last month of the spring, Mayo, is an agreeable month in Alonnisos, Greece, with average temperature ranging between min 13°C (55.4°F) and max 22°C (71.6°F).

Temperature

In Mayo, the average high-temperature rises, from a comfortable 17°C (62.6°F) in Abril, to a pleasant 22°C (71.6°F). In Alonnisos, Greece, the average low-temperature is 13°C (55.4°F).

Rainfall

In Mayo, in Alonnisos, Greece, the rain falls for 7 days. Throughout Mayo, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Alonnisos, Greece, there are 79 rainfall days, and 725mm (28.54") of precipitation is accumulated.

Sea temperature

In Alonnisos, the average water temperature is 17°C (62.6°F).
Note: Swimming in 17°C (62.6°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

The average length of the day in Alonnisos, Greece, is 14.3h.

Sunshine

In Alonnisos, Greece, the average sunshine is 10h.

UV index

The average daily maximum UV index in Mayo is 8. A UV Index estimate of 8 to 10 represents a very high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In Mayo, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Protection against sun 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in Mayo in Alonnisos?

In Mayo, the average high-temperature is 22°C (71.6°F), and the average low-temperature is 13°C (55.4°F).

How much does it rain in Alonnisos in Mayo?

In Alonnisos, in Mayo, it is raining for 7 days, with typically 36mm (1.42") of accumulated precipitation.

How cold is the water in Mayo in Alonnisos?

In Alonnisos, in Mayo, the average water temperature is 17°C (62.6°F). For swimming, a surface water temperature of 17°C (62.6°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).

How many hours of daylight does Alonnisos have in Mayo?

In Alonnisos, Greece, the average length of the day in Mayo is 14.3h.

How long on average sun shines in Mayo in Alonnisos?

In Alonnisos, Greece, the average sunshine in Mayo is 10h.

What is the UV index reading in Mayo in Alonnisos?

In Mayo, the average daily maximum UV index in Alonnisos is 8. A UV Index of 8 to 10 symbolizes a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in May - Alonnisos, Greece
  • Average high temperature in May: 22°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 May: 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 May - Alonnisos, Greece
  • Average rainfall in May: 36mm

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

Average rainfall days in May - Alonnisos, Greece
  • Average rainfall days in May: 7 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 May - Alonnisos, Greece
  • Average sea temperature in May: 17°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 May / Average sunshine in May - Alonnisos, Greece
  • Average daylight in May: 14.3h

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 May: 10h

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 May - Alonnisos, Greece
  • Average UV index in May: 8

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).