Galissas
Greece
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Galissas, Greece

Mayo, the last month of the spring, in Galissas, is an agreeable month, with average temperature ranging between min 15°C (59°F) and max 22°C (71.6°F).

Temperature

In Mayo, the average high-temperature slightly increases, from a comfortable 18°C (64.4°F) in Abril, to a pleasant 22°C (71.6°F). The average low-temperature, in Galissas, is 15°C (59°F).

Rainfall

In Galissas, it is raining for 3 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, there are 63 rainfall days, and 474mm (18.66") of precipitation is accumulated.

Sea temperature

In Mayo, the average sea temperature in Galissas is 18.6°C (65.5°F).
Note: For most, swimming in 18.6°C (65.5°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

In Mayo, the average length of the day is 14.2h.

Sunshine

In Galissas, the average sunshine in Mayo is 10h.

UV index

The average daily maximum UV index in Galissas is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from unsafe exposure to the UV radiation for the average person.
Note: In Mayo, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. 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 Galissas?

In Galissas, in Mayo, the average high-temperature is 22°C (71.6°F), and the average low-temperature is 15°C (59°F).

How much does it rain in Galissas in Mayo?

In Galissas, during Mayo, the rain falls for 3 days and regularly aggregates up to 16mm (0.63") of precipitation.

How cold is the water in Mayo in Galissas?

In Galissas, in Mayo, the average water temperature is 18.6°C (65.5°F). Swimming in 18.6°C (65.5°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 Mayo in Galissas?

In Galissas, Greece, the average length of the day in Mayo is 14.2h.

How many hours of sunshine does Galissas have in Mayo?

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

What is the UV index reading in Mayo in Galissas?

In Mayo, the average daily maximum UV index in Galissas is 8. A UV Index of 8 to 10 symbolizes a very high health threat from unprotected exposure to the UV radiation.
Average temperature in May - Galissas, Greece
  • Average high temperature in May: 22°C

The warmest month (with the highest average high temperature) is July (28°C).
Months with the lowest average high temperature are January and February (13°C).

  • Average low temperature in May: 15°C

The month with the highest average low temperature is July (22°C).
Coldest months (with the lowest average low temperature) are January and February (8°C).

Average rainfall in May - Galissas, Greece
  • Average rainfall in May: 16mm

The wettest month (with the highest rainfall) is December (91mm).
Driest months (with the lowest rainfall) are July and August (2mm).

Average rainfall days in May - Galissas, Greece
  • Average rainfall days in May: 3 days

The month with the highest number of rainy days is December (11 days).
Months with the lowest number of rainy days are June, July, August and September (1 days).

Average sea temperature in May - Galissas, Greece
  • Average sea temperature in May: 18.6°C

The best month for swimming (with the highest average sea temperature) is August (25.8°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).

Average daylight in May / Average sunshine in May - Galissas, Greece
  • Average daylight in May: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 10h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 4).

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

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).