Naples is the third largest city in Italy and one of the oldest populated areas. It is situated on coast of the Gulf of same name in western part of south of Italian Peninsula. The city has mixture of Mediterranean and humid subtropical climates. Temperature in Naples is always above freezing with cool rainy winters and hot and less rainy summers.

Influence of the sea moderates winter weather to be milder than in inland Italy, while summers are typical for whole territory of the country. Average annual amount of precipitation is 1000 mm (39”) which is more than in regions to north from Naples. Coastal location and altitude of 450 m (1476 ft.) above sea level resulting mentioned amount of rainfall.

Seasons

Contents:

• Spring
• Summer
• Autumn
• Winter

Spring in Naples

Spring in Naples means gradual constant growth of temperature and daily amount of sunshine with decreasing rainfall. Range of daily averages slowly but steadily grows from 16-7 °C (61-44 °F) in March to formidable 23-12 °C (73-56 °F) in May. In May comparing to March monthly amount and frequency of precipitation decreases roughly by half.

Meantime amount of daily sunshine grows to 8 hours. The sea reaches comfortable temperature only by the end of May. It warms up to 18 °C (64 °F) in the middle of month and reaches 20 °C (68 °F) by the end of it.

Climate of the Spring Months

March Max average t°: +15 °C (59 °F) Min average t°: +7 °C (44 °F) Water t°: +14 °C (57 °F) Sundial in the day: 8 hours Rainy days: 6 days Precipitation: 85 mm (3.4")

April Max average t°: +18 °C (64 °F) Min average t°: +9 °C (48 °F) Water t°: +16 °C (61 °F) Sundial in the day: 9.5 hours Rainy days: 4 days Precipitation: 47 mm (1.9")

May Max average t°: +22 °C (72 °F) Min average t°: +12.5 °C (55 °F) Water t°: +19 °C (66 °F) Sundial in the day: 11 hours Rainy days: 3 days Precipitation: 40 mm (1.6")

Spring Holidays

March 8 – Fiesta della Donna (Women’s Day).
March 14 – The Ides of March.

March-April – Easter celebrations.
April-May – May of the Monuments.
May 1 – Labor Day.

Summer in Naples

June in Naples is simply warm with average afternoon temperature of 26 °C (79 °F) and 16 °C (61 °F) in evening. But then heat comes to the city. Each day the air becomes as hot as 30 °C (86 °F) or even higher. From time to time melting heat is smoothed by rain or seaside breeze. Evenings and nights are way cooler with average of 19 °C (66 °F) through July and August.

Summer is the peak of beach season. When sun melts asphalt it is time to go to Neapolitan Riviera where send is soft and the sea is as warm as 27 °C (81 °F), at least, in August. 22-25 °C (71-77 °F) of temperature of water in previous summer months is pleasant too.

Climate of the Summer Months

June Max average t°: +26°C (79 °F) Min average t°: +16 °C (61 °F) Water t°: +23 °C (73 °F) Sundial in the day: 13 hours Rainy days: 2 days Precipitation: 27 mm (1.1")

July Max average t°: +29 °C (84 °F) Min average t°: +18 °C (65 °F) Water t°: +26 °C (79 °F) Sundial in the day: 13.5 hours Rainy days: 2 days Precipitation: 20 mm (0.8")

August Max average t°: +29 °C (84 °F) Min average t°: +18 °C (65 °F) Water t°: +26.5 °C (80 °F) Sundial in the day: 12.5 hours Rainy days: 1 day Precipitation: 17 mm (0.7")

Summer Holidays

June – Naples Theater Festival.
June 2 – Republic Day.
June 23 – Feast of St. John.
June 29 – Saints Peter and Paul Day.

July 16 – Festa della Madonna del Carmine.
August 15 – Ferragosto, Assumption.

Autumn in Naples

Comparing to cities with temperate climate first half of autumn in Naples is actually summer, at least, according to weather conditions. Of course, temperature decreases but it goes down from 27 °C (81 °F) in September to 22 °C (71 °F) in the middle of October. In November daytime averages are at mark of 17 °C (62 °F) which is considerably comfortable.

Amount of precipitation grows through whole season with November being the rainiest month of a year with 11 days of rainfall. Days in September are twice longer than in November with its 4 hours of sunshine. The sea is comfortable until late September with 25 °C (77 °F) of warmth in water.

Climate of the Autumn Months

September Max average t°: +26 °C (79 °F) Min average t°: +16 °C (61 °F) Water t°: +24.5 °C (76 °F) Sundial in the day: 10.5 hours Rainy days: 4 days Precipitation: 69 mm (2.7")

October Max average t°: +21.5 °C (71 °F) Min average t°: +13 °C (55 °F) Water t°: +22 °C (72 °F) Sundial in the day: 8.5 hours Rainy days: 5 days Precipitation: 92 mm (3.6")

November Max average t°: +17 °C (63 °F) Min average t°: +9 °C (48 °F) Water t°: +19.5 °C (67 °F) Sundial in the day: 6.5 hours Rainy days: 7 days Precipitation: 115 mm (4.5")

Autumn Holidays

September 19 – San Gennaro Festival, Pizza Village, Fiesta dell’Oriente.
September-October – Naples Film Festival.

October 3 – Feast of St. Francis of Assisi.
November 1 – All Saints Day.
November 22 – Feast of St. Cecilia.

Winter in Naples

Winter in Naples is smoothed by the sea and stable in terms of temperature. Daily ranges go down to 13-6 °C (55-43 °F) in Early December and stay there until late February. But other features of weather are not so predictable. It may be bright or foggy in any given day. Chilly winds accompanied by rain may rise out of blue.

Temperature of the sea is between 16 °C (61 °F) and 14 °C (57 °F) so swimming is out of the question for sure. And in the end of the day it is better to go to Naples in warmer seasons. Late spring or early autumn are perfect for those who are not fond of crowds.

Climate of the Winter Months

December Max average t°: +13.5 °C (56 °F) Min average t°: +6 °C (43 °F) Water t°: +17 °C (63 °F) Sundial in the day: 6.5 hours Rainy days: 4 days Precipitation: 68 mm (2.7")

January Max average t°: +12 °C (54 °F) Min average t°: +5 °C (41 °F) Water t°: +15 °C (59 °F) Sundial in the day: 5.5 hours Rainy days: 7 days Precipitation: 95 mm (3.7")

February Max average t°: +13 °C (56 °F) Min average t°: +5 °C (41 °F) Water t°: +14 °C (57 °F) Sundial in the day: 6.5 hours Rainy days: 6 days Precipitation: 112 mm (4.4")

Winter Holidays

December 8 – Immaculate Conception.
December 24 – Christmas Eve.
December 25 – Christmas.

January 1 – New Year’s Day.
January 6 – Epiphany.
January 17 – Saint Anthony's Day.