average temperatures in august in naples, italy
The warmest time of year in Naples is in August when it is 23.7Â°C / 74.7Â°F on average, but could get up to 29.5Â°C / 85.1Â°F maximum. On the other hand, the coldest time of year in Naples is in January when it is 8.15Â°C / 46.7Â°F on average, but could get down to 3.8Â°C / 46.7Â°F minimum. Naples Climate Chart.