Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a comfortable 18.4°C (65.1°F) in April to a pleasant 22.7°C (72.9°F). In May, in Spetses, the average low-temperature is a comfortable 16.8°C (62.2°F).Humidity
In May, the average relative humidity in Spetses, Greece, is 63%.Rainfall
In May, in Spetses, Greece, the rain falls for 7.5 days. Throughout May, 13mm (0.51") of precipitation is accumulated. In Spetses, during the entire year, the rain falls for 95.8 days and collects up to 262mm (10.31") of precipitation.Snowfall
March through November are months without snowfall.Sea temperature
In Spetses, in May, the average water temperature is 18.8°C (65.8°F).Note: Most people do not enjoy swimming in water of 18.8°C (65.8°F). Breathing control becomes harder as the temperature descends 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 06:31 and sunset at 20:16. On the last day of May, sunrise is at 06:08 and sunset at 20:41 EEST.
Sunshine
In May, the average sunshine in Spetses is 11.6h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 6 in May leads to these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Spetses in May?
What is the average humidity in May in Spetses?
How much does it rain in Spetses in May?
When it does not snow in Spetses?
What is the sea temperature in May in Spetses?
What is the average length of the day in May in Spetses?
When is the sunrise / sunset in May in Spetses?
How long on average sun shines in May in Spetses?
How high is the UV index in May in Spetses?
Average temperature in May
Spetses, Greece
- Average high temperature in May: 22.7°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (12.6°C).
- Average low temperature in May: 16.8°C
The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (8.6°C).
Average pressure in May
Spetses, Greece
- Average pressure in May: 1013.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.3mbar).
Average wind speed in May
Spetses, Greece
- Average wind speed in May: 11.1km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is May (11.1km/h).
Average humidity in May
Spetses, Greece
- Average humidity in May: 63%
The months with the highest relative humidity are January and February (72%).
The month with the lowest relative humidity is August (56%).
Average rainfall in May
Spetses, Greece
- Average rainfall in May: 13mm
The wettest month (with the highest rainfall) is December (36mm).
The driest months (with the least rainfall) are July and August (6mm).
Average rainfall days in May
Spetses, Greece
- Average rainfall days in May: 7.5 days
The month with the highest number of rainy days is January (10.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in May
Spetses, Greece
- Average snowfall in May: 0mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Spetses, Greece
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in May
Spetses, Greece
- Average sea temperature in May: 18.8°C
The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).
Average daylight in May /
Average sunshine in May
Spetses, 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 42min).
- Average sunshine in May: 11h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in May
Spetses, Greece
- Average sunshine days in May: 21.1 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is January (16.5 days).
Average UV index in May
Spetses, Greece
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Spetses, Greece
- Average cloud cover in May: 16
The months with the most cloud cover are January and February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in May
Spetses, 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).
