Naples weather in May
May in Naples: nice, rainy, with very humid — one of the best months to visit.
#1 of 12 months in Naples · #139 of 604 destinations to visit in May · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Naples climate normals — May
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 88 mm / 3.5 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 11.4 h/day | |
| Daylight | 14.5 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 64 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Naples in May — FAQ
- Is May a good time to visit Naples?
- May in Naples: nice, rainy, with very humid — one of the best months to visit. It ranks #1 of 12 months for Naples on SeasonMap's comfort score (88/100).
- What is the weather like in Naples in May?
- In May, Naples averages a daily high of 21.3°C and a low of 13.8°C, with about 88.4 mm of rain over roughly 11.6 rainy days.
- What is the air quality in Naples in May?
- Naples has a mean US Air Quality Index of about 64 in May.