Naples weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: May – July, September
What is the weather like in Naples in August?
In August, Naples is hot: daytime highs average 30 °C, and even at night it stays warm at around 22 °C. The sea averages 26.3 °C – lovely and warm for swimming. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 20 mm in total. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Naples.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 86 | 83 | 86 |
| Day | 29° | 30° | 25° |
| Night | 21° | 22° | 18° |
| Sea | 26° | 26° | 24° |
| Sun | 11 h | 10 h | 8 h |
| Rain days | 2 | 3 | 9 |
More details for August
- Daylight
- 13 h 51 min06:12 – 20:03
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 23 daysdew point 18 °C or more
- Wind
- 17 km/haverage daily peak
- Cloud cover
- 21 %on average
- Hot days
- 14 days30 °C or more
- Time zone
- UTC+2Europe/Rome
How the score comes together
- Temperatureweight 50 %65 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Naples in August: quick answers
Is Naples hot in August?
Yes. In August, Naples is hot: daytime highs average 30 °C and nights stay around 22 °C. On about 14 days the thermometer climbs to 30 °C or more.
Can you swim in Naples in August?
Yes. In August the sea averages 26.3 °C – lovely and warm for swimming.
Does it rain much in Naples in August?
Rain is rare: about 3 days bring 20 mm in total.
Naples month by month
The whole year in NaplesAll destinations: ItalyWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)