April weather forecast
Naples, Italy

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A distant view of Mount Vesuvius, from Naples in Italy, with a beautiful blue waterfront
A distant view of Mount Vesuvius, from Naples in Italy, with a beautiful blue waterfront

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.
Updated: Jan 30, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the temperatures in Naples in April?

During April, Naples experiences an average high-temperature of 18.4°C (65.1°F) and a low-temperature of 12.1°C (53.8°F).

What is the average humidity in April in Naples?

The average relative humidity in April in Naples, Italy, is 70%.

How much does it rain in Naples in April?

In April, in Naples, Italy, the rain falls for 12 days. Throughout April, 32mm (1.26") of precipitation is accumulated.

When it does not snow in Naples?

In Naples, Italy, snow does not fall in March through December.

What is the sea water temperature in April in Naples?

In April, the average sea temperature in Naples, Italy, is 15.7°C (60.3°F). Swimming in 15.7°C (60.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Naples have in April?

In April, the average day length in Naples, Italy, is 13h and 19min.

When is the sunrise / sunset in April in Naples?

On the first day of April, 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.

How many hours of sunshine does Naples have in April?

In Naples, Italy, the average sunshine duration in April is 10.5h.

How high is the UV index in April in Naples?

In Naples, Italy, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in April
Naples, Italy

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in April - Naples, Italy
  • Average daylight in April: 13h and 2min

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 3min

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 - 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 - 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 - 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 - 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).

Naples, Italy

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