May weather forecastSkiathos, Greece
May
Weather in May
The month of May in Skiathos marks the advent of summer with temperature highs soaring to an average of 20.4°C (68.7°F). The warm climate dominates as spring recedes, making way for sunny days and clear skies. Tourists flock to the city to relish the pristine beaches and enjoy aquatic activities in the refreshing sea. May carries the promise of golden beaches, scintillating sunshine and vibrant summer vibes.Temperature
Skiathos's May weather indicates a minor increase in high-temperatures, edging from April's refreshing 16.2°C (61.2°F) to a pleasant 20.4°C (68.7°F). During May, the nighttime temperatures in Skiathos align closely with the daytime averages, measuring a refreshing 17.7°C (63.9°F).Humidity
In Skiathos, the average relative humidity in May is 69%.Rainfall
In May, in Skiathos, the rain falls for 11.2 days. Throughout May, 34mm (1.34") of precipitation is accumulated. In Skiathos, during the entire year, the rain falls for 133.4 days and collects up to 511mm (20.12") of precipitation.Snowfall
February through December are months without snowfall in Skiathos, Greece.Sea temperature
In May, the average sea temperature in Skiathos is 18.1°C (64.6°F).Note: For most, swimming in 18.1°C (64.6°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
The average length of the day in May in Skiathos is 14h and 20min.On the first day of May, sunrise is at 06:26 and sunset at 20:19. On the last day of the month, sunrise is at 06:01 and sunset at 20:45 EEST.
Sunshine
In May, the average sunshine is 11.2h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 6 during May leads to these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Skiathos, Greece
- Average high temperature in May: 20.4°C
The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in May: 17.7°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).
Average pressure in May
Skiathos, Greece
- Average pressure in May: 1013.2mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).
Average wind speed in May
Skiathos, Greece
- Average wind speed in May: 13.7km/h
The windiest month (with the highest average wind speed) is February (20.7km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).
Average humidity in May
Skiathos, Greece
- Average humidity in May: 69%
The months with the highest relative humidity are January, February and November (71%).
The months with the lowest relative humidity are July, August and September (66%).
Average rainfall in May
Skiathos, Greece
- Average rainfall in May: 34mm
The wettest month (with the highest rainfall) is February (62mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in May
Skiathos, Greece
- Average rainfall days in May: 11.2 days
The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is July (6.6 days).
Average snowfall in May
Skiathos, Greece
- Average snowfall in May: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Skiathos, Greece
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in May
Skiathos, Greece
- Average sea temperature in May: 18.1°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is March (14.2°C).
Average daylight in May /
Average sunshine in May
Skiathos, Greece
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 11h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Skiathos, Greece
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in May
Skiathos, Greece
- Average UV index in May: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Skiathos, Greece
- Average cloud cover in May: 21
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in May
Skiathos, 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).
