May weather forecastPetrana, Greece
May weather for Petrana, Greece: On the last day of the month, in Petrana, Greece, sunrise is at 06:05 and sunset at 20:55 EEST. The last month of the spring, May, is an agreeable month in Petrana, Greece, with an average temperature varying between 20.4°C (68.7°F) and 8.4°C (47.1°F).
May
Weather in May
The last month of the spring, May, is an agreeable month in Petrana, Greece, with an average temperature varying between 20.4°C (68.7°F) and 8.4°C (47.1°F).Temperature
As May arrives, a slight rise in the average high-temperature is observed, moving from a moderate 15.8°C (60.4°F) in April to a pleasant 20.4°C (68.7°F). Petrana temperatures generally rest at a low of 8.4°C (47.1°F) during the May nights.Humidity
In May, the average relative humidity is 71%.Rainfall
In May, the rain falls for 18.1 days. Throughout May, 72mm (2.83") of precipitation is accumulated. In Petrana, Greece, during the entire year, the rain falls for 161.4 days and collects up to 643mm (25.31") of precipitation.Snowfall
In Petrana, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 25min.On the first day of May in Petrana, sunrise is at 06:31 and sunset at 20:27. On the last day of the month, sunrise is at 06:05 and sunset at 20:55 EEST.
Sunshine
The average sunshine in May in Petrana is 10.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Petrana, Greece
- Average high temperature in May: 20.4°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in May: 8.4°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in May
Petrana, Greece
- Average pressure in May: 1013.7mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in May
Petrana, Greece
- Average wind speed in May: 7.2km/h
The windiest months (with the highest average wind speed) are February and March (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in May
Petrana, Greece
- Average humidity in May: 71%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (56%).
Average rainfall in May
Petrana, Greece
- Average rainfall in May: 72mm
The wettest month (with the highest rainfall) is June (73mm).
The driest month (with the least rainfall) is December (40mm).
Average rainfall days in May
Petrana, Greece
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in May
Petrana, Greece
- Average snowfall in May: 0mm
The month with the highest snowfall is January (165mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Petrana, Greece
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Petrana, Greece
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 10h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in May
Petrana, Greece
- Average sunshine days in May: 11.1 days
The months with the most sunshine days are July, August and December (17.4 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in May
Petrana, Greece
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Petrana, Greece
- Average cloud cover in May: 29
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Petrana, Greece
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, November and December (8km).





