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 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
The arrival of May introduces a minor uplift in high-temperatures, adjusting from a refreshing 17.5°C (63.5°F) in April to a pleasant 20.5°C (68.9°F). An average low-temperature of 14.7°C (58.5°F) is common in Nettuno during the nights of May.Humidity
In Nettuno, the average relative humidity in May is 72%.Rainfall
In Nettuno, in May, it is raining for 12.8 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, in Nettuno, there are 145.7 rainfall days, and 681mm (26.81") of precipitation is accumulated.Sea temperature
In Nettuno, the average seawater temperature in May is 18.9°C (66°F).Note: The majority of people find swimming in 18.9°C (66°F) unenjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing becomes more challenging to control.
Daylight
In Nettuno, the average length of the day in May is 14h and 32min.On the first day of the month, sunrise is at 06:05 and sunset at 20:07. On the last day of May, in Nettuno, sunrise is at 05:38 and sunset at 20:36 CEST.
Sunshine
In Nettuno, the average sunshine in May is 10.9h.UV index
In May, the average daily maximum UV index in Nettuno is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during May leads to these advisories:
Take precautions - Protection against sunburn is recommended. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Nettuno?
What is the average humidity in May in Nettuno?
How many days does it rain in May in Nettuno?
How cold is the water in May in Nettuno?
What is the average length of the day in May in Nettuno?
When are sunrise and sunset in May in Nettuno?
How long on average sun shines in May in Nettuno?
What is the UV index reading in May in Nettuno?
Average temperature in May
Nettuno, Italy
- Average high temperature in May: 20.5°C
The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in May: 14.7°C
The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is February (8.1°C).
Average pressure in May
Nettuno, Italy
- Average pressure in May: 1014.4mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014.1mbar).
Average wind speed in May
Nettuno, Italy
- Average wind speed in May: 12.2km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in May
Nettuno, Italy
- Average humidity in May: 72%
The months with the highest relative humidity are January, March, April and November (74%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Nettuno, Italy
- Average rainfall in May: 41mm
The wettest month (with the highest rainfall) is November (142mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in May
Nettuno, Italy
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is November (16.6 days).
The month with the least rainy days is August (5.1 days).
Average sea temperature in May
Nettuno, Italy
- Average sea temperature in May: 18.9°C
The best month for swimming (with the highest average sea temperature) is August (25.1°C).
The coldest month (with the lowest average sea temperature) is February (14.1°C).
Average daylight in May /
Average sunshine in May
Nettuno, 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 12min).
- Average sunshine in May: 10h and 5min
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 36min).
Average sunshine days in May
Nettuno, Italy
- Average sunshine days in May: 15 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (11.6 days).
Average UV index in May
Nettuno, 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 and December (UV index 3).
Average cloud cover in May
Nettuno, Italy
- Average cloud cover in May: 25
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in May
Nettuno, 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).
