May · Italy
Best time to visit Sirmione in May Weather, crowds & prices
Weather in Sirmione in May
Average temperature 18°C, 139 mm of rain, about 21 days with 6+ hours of sunshine and 72% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
7.5/10
Ranked #3 of 12 months
- Avg temp
- 18°C
- Rainfall
- 139 mm
- Humidity
- 72%
- Days with 6h+ sun
- 21
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Sirmione scores 7.5/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 18°C, 139 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.
Scaligero Castle, Roman Grotte di Catullo, and thermal springs on Lake Garda's peninsula shine from April through June and September, before summer crowds narrow the old-town lanes.
May holds up well in Sirmione — 3rd best month
May averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Monthly rainfall reaches 139 mm — wet for this destination — but about 21 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.5/10 here, 3rd of 12 months, against 8.4/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Sirmione in May?
- In May, Sirmione averages 18°C, 139 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 7.5/10.
- Is May a good time to visit Sirmione?
- 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 Sirmione in May?
- Expect about 139 mm of rain in May. Average humidity is 72% and there are about 21 days with 6+ hours of sunshine.
Curated in Sirmione
Tickets & experiences
Things to do in Sirmione
Sirmione, Italy. Live activities and tours from GetYourGuide, matched to this destination.