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 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
Weather in May
Temperature
The onset of May introduces a subtle rise in the average high-temperature, nudging from 16°C (60.8°F) in April to a still enjoyable 19.6°C (67.3°F). In May, San Costanzo encounters an average low-temperature of 14°C (57.2°F) during the night.Humidity
The average relative humidity in May in San Costanzo is 74%.Rainfall
The month with the most rainfall in San Costanzo is May, when the rain falls for 12.8 days and typically aggregates up to 49mm (1.93") of precipitation.Snowfall
March through November are months without snowfall.Daylight
In May, the average length of the day in San Costanzo is 14h and 44min.On the first day of the month, sunrise is at 05:58 and sunset at 20:10. On the last day of May, sunrise is at 05:28 and sunset at 20:42 CEST.
Sunshine
The average sunshine in May in San Costanzo is 10.7h.UV index
In May, the average daily maximum UV index in San Costanzo is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the average May temperature in San Costanzo?
What is the average humidity in May in San Costanzo?
What is the rainiest month in San Costanzo?
How many days does it rain in May in San Costanzo?
When it does not snow in San Costanzo?
How many hours of daylight does San Costanzo have in May?
When are sunrise and sunset in May in San Costanzo?
How many hours of sunshine does San Costanzo have in May?
What is the UV index reading in May in San Costanzo?
Average temperature in May
San Costanzo, Italy
- Average high temperature in May: 19.6°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (9.4°C).
- Average low temperature in May: 14°C
The month with the highest average low temperature is August (21.9°C).
The coldest month (with the lowest average low temperature) is January (6.1°C).
Average pressure in May
San Costanzo, Italy
- Average pressure in May: 1013.9mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in May
San Costanzo, Italy
- Average wind speed in May: 11.7km/h
The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest month (with the lowest average wind speed) is June (10.4km/h).
Average humidity in May
San Costanzo, Italy
- Average humidity in May: 74%
The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are July and August (63%).
Average rainfall in May
San Costanzo, Italy
- Average rainfall in May: 49mm
The wettest month (with the highest rainfall) is May (49mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days in May
San Costanzo, Italy
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is August (7.9 days).
Average snowfall in May
San Costanzo, Italy
- Average snowfall in May: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
San Costanzo, Italy
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.9 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
San Costanzo, Italy
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
San Costanzo, Italy
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is August (20.8 days).
The months with the least sunshine days are February and May (15.3 days).
Average UV index in May
San Costanzo, 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 January (UV index 2).
Average cloud cover in May
San Costanzo, Italy
- Average cloud cover in May: 27
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in May
San Costanzo, Italy
- 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).
San Costanzo, Italy
Weather forecast for your location
2. Allow the app to use your location
