Monthly 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
The best months for a swim in Naples, Italy, are July and August, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

January, like December, in Naples, Italy, is another fresh winter month, with average temperature varying between 7.8°C (46°F) and 12.3°C (54.1°F). January is the coldest month, with an average high-temperature of 12.3°C (54.1°F) and an average low-temperature of 7.8°C (46°F). Weather in January »

The last month of the winter, February, is another cool month in Naples, Italy, with average temperature fluctuating between 7.8°C (46°F) and 12.6°C (54.7°F). In Naples, the average high-temperature in February is essentially the same as in January - a still fresh 12.6°C (54.7°F). Weather in February »

March, the first month of the spring, in Naples, is a moderate month, with temperature in the range of an average high of 15°C (59°F) and an average low of 9.4°C (48.9°F). In Naples, the average high-temperature is practically the same as in February - a moderate 15°C (59°F). Weather in March »

April in Naples, Italy, is an enjoyable spring month, with average temperature ranging between max 18.4°C (65.1°F) and min 12.1°C (53.8°F). In Naples, the average high-temperature in April marginally rises, from a mild 15°C (59°F) in March, to an enjoyable 18.4°C (65.1°F). Weather in April »

May, the last month of the spring, in Naples, is an agreeable month, with temperature in the range of an average low of 14.8°C (58.6°F) and an average high of 21.3°C (70.3°F). In Naples, Italy, the average high-temperature is relatively the same as in April - a pleasant 21.3°C (70.3°F). Weather in May »

The first month of the summer, June, is a moderately hot month in Naples, Italy, with average temperature fluctuating between 18.8°C (65.8°F) and 26°C (78.8°F). In Naples, the average high-temperature marginally rises, from an agreeable 21.3°C (70.3°F) in May, to a moderately hot 26°C (78.8°F). Weather in June »

July, like June, in Naples, Italy, is a moderately hot summer month, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 29.3°C (84.7°F). An excellent water temperature of 25.8°C (78.4°F) and only 5.2 rainfall days, with 14mm (0.55") of accumulated rainfall, makes July a prime for swimming and other water activities. Weather in July »

The last month of the summer, August, is a hot month in Naples, Italy, with temperature in the range of an average low of 22.7°C (72.9°F) and an average high of 30°C (86°F). The ideal sea water temperature of 26°C (78.8°F) and only 5.2 rainfall days, with 8mm (0.31") of accumulated rainfall, makes August the best time for swimming and other water activities. Weather in August »

The first month of the autumn, September, is still a warm month in Naples, Italy, with temperature in the range of an average high of 25.8°C (78.4°F) and an average low of 19.5°C (67.1°F). In September, the average high-temperature marginally drops, from a tropical 30°C (86°F) in August, to a moderately hot 25.8°C (78.4°F). Weather in September »

October, the same as September, in Naples, Italy, is an agreeable autumn month, with average temperature fluctuating between 16.5°C (61.7°F) and 22°C (71.6°F). In October, the average high-temperature marginally drops, from a warm 25.8°C (78.4°F) in September, to a pleasant 22°C (71.6°F). Weather in October »

The last month of the autumn, November, is another comfortable month in Naples, Italy, with average temperature fluctuating between 13.1°C (55.6°F) and 17.5°C (63.5°F). In Naples, the average high-temperature in November slightly decreases, from an agreeable 22°C (71.6°F) in October, to a comfortable 17.5°C (63.5°F). Weather in November »

December, the first month of the winter, in Naples, is also a moderate month, with average temperature varying between 13.6°C (56.5°F) and 9.1°C (48.4°F). In December, the average high-temperature slightly decreases, from a comfortable 17.5°C (63.5°F) in November, to a mild 13.6°C (56.5°F). Weather in December »

What is the coldest month in Naples?

January is the coldest month, with an average high-temperature of 12.3°C (54.1°F) and an average low-temperature of 7.8°C (46°F).

What is the most humid month in Naples?

Months with the highest humidity are January and November, with an average relative humidity of 73%.

How much does it rain in Naples?

In Naples, during the entire year, the rain falls for 139.4 days and collects up to 569mm (22.4") of precipitation.

When does it snow in Naples?

January and February are months with snowfall.

How many days does it snow in Naples?

In Naples, Italy, during the entire year, snow falls for 0.8 days, and aggregates up to 4mm (0.16") of snow.

What is the snowiest month in Naples?

Months with the most snowfall in Naples, Italy, are January and February, with an average 2mm (0.08") of accumulated snow.

What is the month with the least sunshine in Naples?

January has the least sunshine of the year in Naples, Italy, with an average of 5.6h of sunshine.

When is the lowest UV index in Naples?

Months with the lowest UV index in Naples, Italy, are January, February and December, with an average maximum UV index of 3.

What month is the sea coldest in Naples?

February is the month with the coldest seawater in Naples, Italy, with an average sea temperature of 13.9°C (57°F).

When it does not snow in Naples?

March through December are months without snowfall.

When are the longest days in Naples?

The month with the longest days in Naples is June, with an average of 15.1h of daylight.

What month has the most sunshine in Naples?

July has the most sunshine of the year in Naples, Italy, with an average of 12.1h of sunshine.

When is the highest UV index in Naples?

July is the month with the highest UV index, with an average maximum UV index of 7.

What is the warmest month in Naples?

The warmest month in Naples, Italy, is August, with an average high-temperature of 30°C (86°F) and an average low-temperature of 22.7°C (72.9°F).

What is the least humid month in Naples?

The least humid month is August, with an average relative humidity of 61%.

What is the driest month in Naples?

August is the month with the least rainfall in Naples. Rain falls for 5.2 days and accumulates 8mm (0.31") of precipitation.

What is the month with the warmest sea water in Naples?

The month with the warmest seawater is August, with an average sea temperature of 26°C (78.8°F).

What is the wettest month in Naples?

November is the month with the most rainfall in Naples. Rain falls for 14.8 days and accumulates 114mm (4.49") of precipitation.

What is the month with the shortest days in Naples?

December has the shortest days of the year, with an average of 9.3h of daylight.
Average temperature - Naples, Italy
Average pressure - Naples, Italy

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is April (1014mbar).

Average wind speed - Naples, Italy

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 - Naples, Italy
Average rainfall - Naples, Italy
Average rainfall days - Naples, Italy

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 - Naples, Italy

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 - Naples, Italy

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 - Naples, Italy

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 / Average sunshine - Naples, Italy

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

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 - Naples, Italy

The month with the most sunshine days is July (24 days).
The month with the least sunshine days is February (11.1 days).

Average visibility - Naples, Italy

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).