June weather forecast
Alonnisos, Greece

The first month of the summer, June, 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 June, the meteorological conditions subtly change with the average high-temperature edging from an agreeable 22°C (71.6°F) in May to a moderately hot 26°C (78.8°F). In Alonnisos, in June, the average low-temperature is a refreshing 17°C (62.6°F).

Rainfall

In June, in Alonnisos, the rain falls for 4 days. Throughout June, 24mm (0.94") of precipitation is accumulated. 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, in June, the average water temperature is 21°C (69.8°F).
Note: Swimming is not an enjoyable activity for the majority when the water is at 21°C (69.8°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

June has the longest days of the year, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 06:00 and sunset at 20:44. On the last day of June, in Alonnisos, sunrise is at 06:01 and sunset at 20:54 EEST.

Sunshine

In June, the average sunshine is 12h.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 9. A UV Index reading of 8 to 10 represents a very high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In June, the UV index of 9 transforms into the following advice:
Ensure you're protected; unprotected eyes and skin can get hurt in moments. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.