May weather forecastGalissas, Greece
May
Weather in May
May, the last month of the spring in Galissas, is a pleasant month, with an average temperature ranging between min 18.6°C (65.5°F) and max 20.2°C (68.4°F).Temperature
In Galissas, the onset of May comes with a modest high-temperature shift, transitioning from April's refreshing 16.6°C (61.9°F) to an agreeable 20.2°C (68.4°F). Nights during May maintain a steady temperature, averaging at a comfortable 18.6°C (65.5°F).Humidity
In May, the average relative humidity is 75%.Rainfall
In Galissas, in May, it is raining for 6.9 days, with typically 13mm (0.51") of accumulated precipitation. In Galissas, 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: Most people do not enjoy swimming in water of 18.6°C (65.5°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Galissas, the average length of the day in May is 14h and 11min.On the first day of May, 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.
Sunshine
The average sunshine in May is 11.5h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 suggests this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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: 14h and 12min
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 30min
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).
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).
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).
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).
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).
