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 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
May's arrival signals a subtle increase in average high-temperatures, moving from April's comfortable 17.5°C (63.5°F) to an agreeable 20.6°C (69.1°F). A slight dip in temperature to a refreshing 18.9°C (66°F) marks the average nights in Kefalos during May.Humidity
In May, the average relative humidity in Kefalos, Greece, is 73%.Rainfall
In May, in Kefalos, the rain falls for 7.6 days. Throughout May, 15mm (0.59") of precipitation is accumulated. In Kefalos, during the entire year, the rain falls for 94.2 days and collects up to 485mm (19.09") of precipitation.Sea temperature
In Kefalos, in May, the average water temperature is 19°C (66.2°F).Note: Most people find swimming in 19°C (66.2°F) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
The average length of the day in May is 14h and 8min.On the first day of May, sunrise is at 06:17 and sunset at 20:00. On the last day of the month, sunrise is at 05:54 and sunset at 20:25 EEST.
Sunshine
In May, the average sunshine in Kefalos is 11.6h.UV index
In Kefalos, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Deflect overexposure. Sun protection is a necessity. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Kefalos?
What is the average humidity in May in Kefalos?
How much does it rain in Kefalos in May?
What is the sea water temperature in May in Kefalos?
What is the average length of the day in May in Kefalos?
What time are sunrise and sunset in May in Kefalos?
How long on average sun shines in May in Kefalos?
How high is the UV index in May in Kefalos?
Average temperature in May
Kefalos, Greece
- Average high temperature in May: 20.6°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (14.5°C).
- Average low temperature in May: 18.9°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 (12.4°C).
Average pressure in May
Kefalos, Greece
- Average pressure in May: 1012.2mbar
The month with the highest atmospheric pressure is December (1017.5mbar).
The month with the lowest atmospheric pressure is July (1007.6mbar).
Average wind speed in May
Kefalos, Greece
- Average wind speed in May: 18.1km/h
The windiest month (with the highest average wind speed) is January (28.8km/h).
The calmest month (with the lowest average wind speed) is May (18.1km/h).
Average humidity in May
Kefalos, Greece
- Average humidity in May: 73%
The month with the highest relative humidity is June (74%).
The months with the lowest relative humidity are January, November and December (68%).
Average rainfall in May
Kefalos, Greece
- Average rainfall in May: 15mm
The wettest month (with the highest rainfall) is December (106mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in May
Kefalos, Greece
- Average rainfall days in May: 7.6 days
The month with the highest number of rainy days is January (15.3 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature in May
Kefalos, Greece
- Average sea temperature in May: 19°C
The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (16°C).
Average daylight in May /
Average sunshine in May
Kefalos, Greece
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in May
Kefalos, Greece
- Average sunshine days in May: 20.9 days
The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is February (13.7 days).
Average UV index in May
Kefalos, 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 4).
Average cloud cover in May
Kefalos, Greece
- Average cloud cover in May: 15
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 2).
Average visibility in May
Kefalos, 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).
