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 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 commences with an average high-temperature of an agreeable 21.3°C (70.3°F), showing little deviation from April's 18.4°C (65.1°F). Portici anticipates an average minimum temperature of 14.8°C (58.6°F) in the month of May.Humidity
In May, the average relative humidity is 69%.Rainfall
In Portici, Italy, during May, the rain falls for 12.3 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, in Portici, there are 139.4 rainfall days, and 569mm (22.4") of precipitation is accumulated.Snowfall
In Portici, snow does not fall in March through December.Sea temperature
In Portici, the average seawater temperature in May is 19°C (66.2°F).Note: For the majority of people, swimming in water at 19°C (66.2°F) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In May, the average length of the day in Portici is 14h and 28min.On the first day of the month, sunrise is at 06:00 and sunset at 19:59. On the last day of May, in Portici, sunrise is at 05:33 and sunset at 20:27 CEST.
Sunshine
In May, the average sunshine in Portici is 10.9h.UV index
The average daily maximum UV index in May in Portici is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Portici in May?
What is the average humidity in May in Portici?
How many days does it rain in May in Portici?
When it does not snow in Portici?
What is the sea water temperature in May in Portici?
What is the average length of the day in May in Portici?
When are sunrise and sunset in May in Portici?
How many hours of sunshine does Portici have in May?
How high is the UV index in May in Portici?
Average temperature in May
Portici, Italy
- Average high temperature in May: 21.3°C
The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in May: 14.8°C
The month with the highest average low temperature is August (22.7°C).
The coldest months (with the lowest average low temperature) are January and February (7.8°C).
Average pressure in May
Portici, Italy
- Average pressure in May: 1014.2mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in May
Portici, Italy
- Average wind speed in May: 10.1km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in May
Portici, Italy
- Average humidity in May: 69%
The months with the highest relative humidity are January and November (73%).
The month with the lowest relative humidity is August (61%).
Average rainfall in May
Portici, Italy
- Average rainfall in May: 43mm
The wettest month (with the highest rainfall) is November (114mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in May
Portici, Italy
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is January (15.4 days).
The months with the least rainy days are July and August (5.2 days).
Average snowfall in May
Portici, Italy
- Average snowfall in May: 0mm
The months with the highest snowfall are January and February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Portici, Italy
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in May
Portici, Italy
- Average sea temperature in May: 19°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest month (with the lowest average sea temperature) is February (13.9°C).
Average daylight in May /
Average sunshine in May
Portici, Italy
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in May
Portici, Italy
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is July (24 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in May
Portici, Italy
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Portici, Italy
- Average cloud cover in May: 25
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in May
Portici, 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).
