May · Italy
Best time to visit Naples in May Weather, crowds & prices
Weather in Naples in May
Average temperature 18°C, 76 mm of rain, about 28 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.5/10
Ranked #2 of 12 months
- Avg temp
- 18°C
- Rainfall
- 76 mm
- Humidity
- 76%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Naples scores 8.5/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 18°C, 76 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Naples wraps around a wide bay beneath Vesuvius, with Spaccanapoli cutting through the historic center and ferries leaving the port for Capri and Ischia.
May in Naples — one of the year's strongest windows (2nd)
Temperatures hover around 18°C (65°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 76 mm of rain this month — a flexible day or two helps — with about 28 days with 6+ hours of sunshine and 14.5 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Naples at 8.5/10 (2nd of 12), just behind June at 8.9/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Naples in May?
- In May, Naples averages 18°C, 76 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 8.5/10.
- Is May a good time to visit Naples?
- May earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Naples in May?
- Expect about 76 mm of rain in May. Average humidity is 76% and there are about 28 days with 6+ hours of sunshine.
Curated in Naples
Tickets & experiences
Things to do in Naples
Naples, Italy. Live activities and tours from GetYourGuide, matched to this destination.