June weather forecast and climate
Naples, Italy

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
June, the first month of the summer, in Naples, is a warm month, with average temperature fluctuating between 18.8°C (65.8°F) and 26°C (78.8°F).

Temperature

In June, the average high-temperature marginally rises, from a pleasant 21.3°C (70.3°F) in May, to a moderately hot 26°C (78.8°F). In Naples, the average low-temperature is 18.8°C (65.8°F).

Humidity

In June, the average relative humidity in Naples is 66%.

Rainfall

In Naples, during June, the rain falls for 7.5 days and regularly aggregates up to 23mm (0.91") of precipitation. In Naples, 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, in June, the average water temperature is 23.5°C (74.3°F).
Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.5°C (74.3°F).

Daylight

With an average of 15.1h of daylight, June has the longest days of the year.

Sunshine

The average sunshine in Naples, Italy, is 11.9h.

UV index

In Naples, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for the average person.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in June in Naples?

In Naples, in June, the average high-temperature is 26°C (78.8°F), and the average low-temperature is 18.8°C (65.8°F).

What is the average humidity in June in Naples?

In Naples, the average relative humidity in June is 66%.

How much does it rain in Naples in June?

In Naples, Italy, during June, the rain falls for 7.5 days and regularly aggregates up to 23mm (0.91") of precipitation.

When it does not snow in Naples?

In Naples snow does not fall in March through December.

What is the sea temperature in June in Naples?

In Naples, Italy, in June, the average water temperature is 23.5°C (74.3°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.5°C (74.3°F) water.

When are the longest days in Naples?

With an average of 15.1h of daylight, June has the longest days of the year in Naples.

What is the average length of the day in June in Naples?

The average length of the day in June in Naples, Italy, is 15.1h.

How many hours of sunshine does Naples have in June?

In Naples, the average sunshine in June is 11.9h.

What is the UV index reading in June in Naples?

The average daily maximum UV index in June in Naples is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in June - Naples, Italy
  • Average high temperature in June: 26°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 June: 18.8°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 June - Naples, Italy
  • Average pressure in June: 1014.3mbar

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 June - Naples, Italy
  • Average wind speed in June: 9.1km/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 June - Naples, Italy
  • Average humidity in June: 66%

Months with the highest relative humidity are January and November (73%).
The month with the lowest relative humidity is August (61%).

Average rainfall in June - Naples, Italy
  • Average rainfall in June: 23mm

The wettest month (with the highest rainfall) is November (114mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in June - Naples, Italy
  • Average rainfall days in June: 7.5 days

The month with the highest number of rainy days is January (15.4 days).
Months with the least rainy days are July and August (5.2 days).

Average snowfall in June - Naples, Italy
  • Average snowfall in June: 0mm

Months with the highest snowfall are January and February (2mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in June - Naples, Italy
  • Average snowfall days in June: 0 days

Months with the highest number of snowfall days are January and February (0.4 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in June - Naples, Italy
  • Average sea temperature in June: 23.5°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 June / Average sunshine in June - Naples, Italy
  • Average daylight in June: 15.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in June: 11.9h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 5.6h).

Average sunshine days in June - Naples, Italy
  • Average sunshine days in June: 20.1 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 June - Naples, Italy
  • Average UV index in June: 6

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in June - Naples, Italy
  • Average cloud cover in June: 14

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 June - Naples, Italy
  • Average visibility in June: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).