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Naples climate by month
What the weather is like
Naples has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 31° and nights 22°. January is the coolest month, with highs of 14° and lows of 6°. The difference between the warmest and the coolest month is about 17°.
About 937 mm of precipitation falls in an average year. November is the wettest month (152 mm, 13 wet days) and July the driest (20 mm, 5 wet days). Cloud cover ranges from 7% in July to 34% in January.
The sea reaches about 26° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Rome, the capital, Naples is 1.5° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 31° · August
- Coldest nights
- 6° · January
- Wettest month
- November
- Driest month
- July
- Clearest skies
- July · 7% cloud
- Warmest sea
- 26° · August
- Longest day
- 15 h 05 min
- Shortest day
- 9 h 16 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 14° | 14° | 17° | 20° | 23° | 28° | 30° | 31° | 27° | 23° | 19° | 15° |
| Average low | 6° | 6° | 8° | 11° | 13° | 19° | 20° | 22° | 18° | 14° | 10° | 7° |
| Precipitation | 96 mm | 79 mm | 83 mm | 84 mm | 41 mm | 33 mm | 20 mm | 25 mm | 92 mm | 113 mm | 152 mm | 119 mm |
| Wet days (≥1 mm) | 12.2 | 10.9 | 10.8 | 10.4 | 8.8 | 5.8 | 5.1 | 5.2 | 10.3 | 9.8 | 13.2 | 12.3 |
| Cloud cover | 34% | 31% | 32% | 30% | 25% | 16% | 7% | 9% | 20% | 28% | 33% | 34% |
| Sea temperature | 15° | 14° | 14° | 16° | 19° | 23° | 25° | 26° | 24° | 22° | 19° | 17° |
| Daylight | 9h 34 | 10h 39 | 11h 54 | 13h 17 | 14h 27 | 15h 05 | 14h 50 | 13h 50 | 12h 30 | 11h 10 | 9h 56 | 9h 16 |
| Saharan dust haze | – | – | – | ● | ● | ● | ● | – | – | – | – | – |
| Month score | 48 | 54 | 66 | 75 | 79 | 75 | 69 | 63 | 66 | 77 | 68 | 53 |
Dust haze, monthly average 2015–2024: ● occasional, ●● frequent, ●●● very frequent