May · Italy
Best time to visit Cagliari in May Weather, crowds & prices
Weather in Cagliari in May
Average temperature 19°C, 74 mm of rain, about 30 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
7.1/10
Ranked #6 of 12 months
- Avg temp
- 19°C
- Rainfall
- 74 mm
- Humidity
- 79%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Cagliari scores 7.1/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 19°C, 74 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Sardinia's hilltop capital pairs Castello ramparts with Poetto beach best from May through October, when warm seas and breezy evenings frame the Gulf of Cagliari.
May in Cagliari — reliably good (6th best month)
May averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 74 mm, so plan one flexible day in three; you still get about 30 days with 6+ hours of sunshine and 14.1 hours of daylight.
It scores 7.1/10 here, 6th of 12 months, against 9.9/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? July scores 2.8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Cagliari in May?
- In May, Cagliari averages 19°C, 74 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
- Is May a good time to visit Cagliari?
- May earns a 7.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cagliari in May?
- Expect about 74 mm of rain in May. Average humidity is 79% and there are about 30 days with 6+ hours of sunshine.
Curated in Cagliari
Tickets & experiences
Things to do in Cagliari
Cagliari, Italy. Live activities and tours from GetYourGuide, matched to this destination.