May weather forecastPenteli, Greece
May
Weather in May
May, the last month of the spring in Penteli, is a moderately hot month, with an average temperature varying between 23.3°C (73.9°F) and 16.6°C (61.9°F).Temperature
The shift from April to May introduces a subtle increase in the average high-temperature, moving from an enjoyable 18.6°C (65.5°F) to a moderately hot 23.3°C (73.9°F). In May, Penteli encounters an average low-temperature of 16.6°C (61.9°F) during the night.Humidity
In Penteli, the average relative humidity in May is 60%.Rainfall
In Penteli, during May, the rain falls for 7.6 days and regularly aggregates up to 17mm (0.67") of precipitation. In Penteli, during the entire year, the rain falls for 93.5 days and collects up to 308mm (12.13") of precipitation.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in May is 14h and 14min.On the first day of May, sunrise is at 06:27 and sunset at 20:15. On the last day of the month, sunrise is at 06:03 and sunset at 20:40 EEST.
Sunshine
In May, the average sunshine is 11.3h.UV index
In Penteli, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 6 in May transforms into the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Penteli, Greece
- Average high temperature in May: 23.3°C
The warmest months (with the highest average high temperature) are July and August (30.3°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in May: 16.6°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (7.5°C).
Average pressure in May
Penteli, Greece
- Average pressure in May: 1012.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011mbar).
Average wind speed in May
Penteli, Greece
- Average wind speed in May: 11.8km/h
The windiest month (with the highest average wind speed) is August (17.1km/h).
The calmest month (with the lowest average wind speed) is May (11.8km/h).
Average humidity in May
Penteli, Greece
- Average humidity in May: 60%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (52%).
Average rainfall in May
Penteli, Greece
- Average rainfall in May: 17mm
The wettest months (with the highest rainfall) are January and December (49mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in May
Penteli, Greece
- Average rainfall days in May: 7.6 days
The month with the highest number of rainy days is December (12.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in May
Penteli, Greece
- Average snowfall in May: 0mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Penteli, Greece
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Penteli, Greece
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 11h and 18min
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: 5h and 30min).
Average sunshine days in May
Penteli, Greece
- Average sunshine days in May: 21.6 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is January (15.9 days).
Average UV index in May
Penteli, Greece
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Penteli, Greece
- Average cloud cover in May: 18
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in May
Penteli, 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).





