April weather forecastNaples, Italy

April
Weather in April
April in Naples presents the full bloom of spring, featuring warmth, longer days and less frequent rain showers. Dryness prevails with rainfall amount plummeting to 32mm (1.26") from the recorded 48mm (1.89") in March. There's a substantial increase in daily sunshine hours, and the sea starts to warm, attracting early beach-goers. However, the moisture from the rain combined with the heat creates an atmosphere rich in humidity. Overall, April offers visitors a taste of Naples’ Mediterranean climate which is poised to thrive in the months that follow.Temperature
April's arrival brings a modest temperature shift, moving from a refreshing 15°C (59°F) in March to an enjoyable 18.4°C (65.1°F). An average low-temperature of 12.1°C (53.8°F) is common in Naples during the nights of April.Humidity
In April, the average relative humidity is 70%.Rainfall
In Naples, in April, during 12 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Naples, Italy, during the entire year, the rain falls for 139.4 days and collects up to 569mm (22.4") of precipitation.Snowfall
In Naples, Italy, snow does not fall in March through December.Sea temperature
In Naples, Italy, the average seawater temperature in April is 15.7°C (60.3°F).Note: The majority of people do not enjoy swimming in 15.7°C (60.3°F). The difficulty in controlling breathing escalates as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Naples, Italy, the average length of the day in April is 13h and 19min.On the first day of April in Naples, sunrise is at 06:45 and sunset at 19:27. On the last day of the month, sunrise is at 06:01 and sunset at 19:58 CEST.
Sunshine
In April, the average sunshine in Naples is 10.5h.UV index
In Naples, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during April leads to these advisories:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Naples, Italy
- Average high temperature in April: 18.4°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 April: 12.1°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 April
Naples, Italy
- Average pressure in April: 1014mbar
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 April
Naples, Italy
- Average wind speed in April: 10.8km/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 April
Naples, Italy
- Average humidity in April: 70%
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 April
Naples, Italy
- Average rainfall in April: 32mm
The wettest month (with the highest rainfall) is November (114mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in April
Naples, Italy
- Average rainfall days in April: 12 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 April
Naples, Italy
- Average snowfall in April: 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 April
Naples, Italy
- Average snowfall days in April: 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 April
Naples, Italy
- Average sea temperature in April: 15.7°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 April /
Average sunshine in April
Naples, Italy
- Average daylight in April: 13h and 18min
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 April: 10h and 30min
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 April
Naples, Italy
- Average sunshine days in April: 15.4 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 April
Naples, Italy
- Average UV index in April: 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 April
Naples, Italy
- Average cloud cover in April: 29
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 April
Naples, Italy
- Average visibility in April: 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).








