May weather forecastVetralla, Italy
May
Weather in May
The last month of the spring, May, is a pleasant month in Vetralla, Italy, with an average temperature fluctuating between 10.3°C (50.5°F) and 20.7°C (69.3°F).Temperature
The shift from April to May introduces a subtle increase in the average high-temperature, moving from a refreshing 17.7°C (63.9°F) to a pleasant 20.7°C (69.3°F). In May, the temperature drops to an average of 10.3°C (50.5°F) at night.Humidity
In Vetralla, the average relative humidity in May is 76%.Rainfall
In Vetralla, in May, during 13.8 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, there are 137.9 rainfall days, and 479mm (18.86") of precipitation is accumulated.Snowfall
April through December are months without snowfall in Vetralla, Italy.Daylight
The average length of the day in May in Vetralla is 14h and 36min.On the first day of May, sunrise is at 06:06 and sunset at 20:11. On the last day of the month, sunrise is at 05:37 and sunset at 20:41 CEST.
Sunshine
In May, the average sunshine is 10.3h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vetralla, Italy
- Average high temperature in May: 20.7°C
The warmest month (with the highest average high temperature) is August (31.2°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in May: 10.3°C
The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).
Average pressure in May
Vetralla, Italy
- Average pressure in May: 1014.3mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The months with the lowest atmospheric pressure are April and July (1014mbar).
Average wind speed in May
Vetralla, Italy
- Average wind speed in May: 10km/h
The windiest month (with the highest average wind speed) is February (13.8km/h).
The calmest month (with the lowest average wind speed) is July (8.6km/h).
Average humidity in May
Vetralla, Italy
- Average humidity in May: 76%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (59%).
Average rainfall in May
Vetralla, Italy
- Average rainfall in May: 48mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in May
Vetralla, Italy
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is November (14.1 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in May
Vetralla, Italy
- Average snowfall in May: 0mm
The month with the highest snowfall is February (14mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Vetralla, Italy
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Vetralla, Italy
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 10h and 18min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in May
Vetralla, Italy
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is November (14 days).
Average UV index in May
Vetralla, Italy
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Vetralla, Italy
- Average cloud cover in May: 30
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in May
Vetralla, Italy
- 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, March, April, May, October, November and December (9km).





