May weather forecast
Galissas, Greece

englishespañol中文
Share

Weather in May

The last month of the spring, May, is an agreeable month in Galissas, Greece, with temperature in the range of an average high of 20.2°C (68.4°F) and an average low of 18.6°C (65.5°F).

Temperature

As Galissas enters May, the average high-temperature marginally increases from the a refreshing 16.6°C (61.9°F) of April to a pleasant 20.2°C (68.4°F). Galissas's nighttime temperature in May shows a minor descent, with a steady average of 18.6°C (65.5°F).

Humidity

The average relative humidity in May in Galissas is 75%.

Rainfall

In May, the rain falls for 6.9 days. Throughout May, 13mm (0.51") of precipitation is accumulated. In Galissas, Greece, during the entire year, the rain falls for 93 days and collects up to 255mm (10.04") of precipitation.

Sea temperature

In Galissas, the average seawater temperature in May is 18.6°C (65.5°F).
Note: Swimming is not a pleasurable activity for the majority in water at 18.6°C (65.5°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In May, the average length of the day is 14h and 11min.
On the first day of the month, sunrise is at 06:24 and sunset at 20:10. On the last day of May, sunrise is at 06:01 and sunset at 20:35 EEST.

Sunshine

The average sunshine in May in Galissas, Greece, is 11.5h.

UV index

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, a regular UV index of 6 translates into these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
[Resources]

Frequently asked questions

What are May temperatures in Galissas?

The average high-temperature, in May, in Galissas, is 20.2°C (68.4°F), while the average low-temperature is 18.6°C (65.5°F).

What is the average humidity in May in Galissas?

The average relative humidity in May in Galissas is 75%.

How many days does it rain in May in Galissas?

In Galissas, during May, the rain falls for 6.9 days and regularly aggregates up to 13mm (0.51") of precipitation.

How cold is the water in May in Galissas?

In May, the average sea temperature is 18.6°C (65.5°F). 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).

What is the average length of the day in May in Galissas?

In May, the average day length in Galissas, Greece, is 14h and 11min.

When is the sunrise / sunset in May in Galissas?

In May, on the first day of the month, sunrise is at 06:24 and sunset at 20:10. On the last day of the month, sunrise is at 06:01 and sunset at 20:35 EEST.

How long on average sun shines in May in Galissas?

In May, the average sunshine duration in Galissas, Greece, is 11.5h.

How high is the UV index in May in Galissas?

In May, the average daily maximum UV index in Galissas is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in May
Galissas, Greece

Average temperature in May - Galissas, Greece
  • Average high temperature in May: 20.2°C

The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (13.8°C).

  • Average low temperature in May: 18.6°C

The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (11.9°C).

[Resources]

Average pressure in May
Galissas, Greece

Average pressure in May - Galissas, Greece
  • Average pressure in May: 1012.4mbar

The month with the highest atmospheric pressure is December (1017.8mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).

[Resources]

Average wind speed in May
Galissas, Greece

Average wind speed in May - Galissas, Greece
  • Average wind speed in May: 18.8km/h

The windiest month (with the highest average wind speed) is January (30km/h).
The calmest month (with the lowest average wind speed) is May (18.8km/h).

[Resources]

Average humidity in May
Galissas, Greece

Average humidity in May - Galissas, Greece
  • Average humidity in May: 75%

The month with the highest relative humidity is August (76%).
The months with the lowest relative humidity are January and December (71%).

[Resources]

Average rainfall in May
Galissas, Greece

Average rainfall in May - Galissas, Greece
  • Average rainfall in May: 13mm

The wettest month (with the highest rainfall) is January (53mm).
The driest months (with the least rainfall) are July and August (1mm).

[Resources]

Average rainfall days in May
Galissas, Greece

Average rainfall days in May - Galissas, Greece
  • Average rainfall days in May: 6.9 days

The month with the highest number of rainy days is January (14.9 days).
The month with the least rainy days is August (0.8 days).

[Resources]

Average sea temperature in May
Galissas, Greece

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).

[Resources]

Average daylight in May /
Average sunshine in May
Galissas, Greece

Average daylight in May / Average sunshine in May - Galissas, Greece
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 11h and 3min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

[Resources]

Average sunshine days in May
Galissas, Greece

Average sunshine days in May - Galissas, Greece
  • Average sunshine days in May: 21.9 days

The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is January (12.4 days).

[Resources]

Average UV index in May
Galissas, Greece

Average UV index in May - Galissas, Greece
  • Average UV index in May: 6

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).

[Resources]

Average cloud cover in May
Galissas, Greece

Average cloud cover in May - Galissas, Greece
  • Average cloud cover in May: 16

The month with the most cloud cover is January (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 3).

[Resources]

Average visibility in May
Galissas, Greece

Average visibility in May - Galissas, Greece
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

[Resources]

Galissas, Greece

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location