May · Italy
Best time to visit Ischia in May Weather, crowds & prices
Weather in Ischia in May
Average temperature 19°C, 52 mm of rain, about 30 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
7.5/10
Ranked #5 of 12 months
- Avg temp
- 19°C
- Rainfall
- 52 mm
- Humidity
- 82%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Ischia scores 7.5/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 19°C, 52 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Thermal spas, volcanic beaches, and Aragonese Castle views suit May through October best, with June and September ideal for swimming and spa days without Naples Bay August crowds.
May holds up well in Ischia — 5th best month
With 19°C (66°F) on average, May delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
Budget for roughly 52 mm of rain this month — a flexible day or two helps — with about 30 days with 6+ hours of sunshine and 14.3 hours of daylight to work around it.
That is 7.5/10 on the same scale — 5th of 12 months, versus 9.8/10 for the best month here.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, July is materially better in Ischia — 2.3 points higher on the same scale.
Frequently asked
- What is the weather like in Ischia in May?
- In May, Ischia averages 19°C, 52 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 7.5/10.
- Is May a good time to visit Ischia?
- May earns a 7.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ischia in May?
- Expect about 52 mm of rain in May. Average humidity is 82% and there are about 30 days with 6+ hours of sunshine.
Curated in Ischia
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