SeasonMapSirmione (Lake Garda) weather in August
Italy
August in Sirmione: hot, rainy — a great time to visit.
#8 of 12 months in Sirmione · #838 of 1383 destinations to visit in August · comfort 74/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sirmione in August
Other months in Sirmione
Sirmione's forum calls September a sweet spot for weather — warm, swimmable and with clearer blue skies than the summer heat haze — but warns the town itself stays genuinely busy, with locals as well as tourists making a weekend trip to the lake if the forecast looks good. Regulars suggest avoiding Sirmione specifically on weekends, even late in the month, if a quieter visit matters more than the crowds.
Add your own note from Sirmione's card on the map.
Sirmione climate normals — August
| Daytime high | 29°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 112 mm / 4.4 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 11.8 h/day | |
| Daylight | 14.1 h | |
| Wind | 9 km/h / 5 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sirmione in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsFerragosto, Summer holidays in Italy, school holidays in 6 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Sirmione's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSirmione's best weather comes in April, May and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Sirmione in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Peler and ora
1 Apr – 30 Sep · usuallyWind seasonGarda runs on two daily winds: the peler down the lake from the north in the early morning, the ora back up it from around midday. Every sailing and windsurf school here plans the day around them.
- Season
Lake warm enough to swim
20 Jun – 15 Sep · usuallySea warm enoughA deep alpine lake warms slowly, so swimming off the rocks below the Grotte di Catullo is a late-June to mid-September proposition. There is no sand anywhere on the peninsula.
- Holiday
Ferragosto
8–22 AugSchool holidaysCrowdedBook earlyGerman and Italian holidays land in the same fortnight on a peninsula you can walk across in ten minutes. Parking at the neck of it fills before nine. Source ↗
Nearby, and something's on
Within 300 km of Sirmione — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Sirmione?
Sirmione in August — FAQ
- Is August a good time to visit Sirmione?
- August in Sirmione: hot, rainy — a great time to visit. It ranks #8 of 12 months for Sirmione on SeasonMap's comfort score (74/100).
- What is the weather like in Sirmione in August?
- In August, Sirmione averages a daily high of 29.3°C and a low of 21.1°C, with about 112 mm of rain over roughly 12.3 rainy days.
- What is the air quality in Sirmione in August?
- Sirmione has a mean US Air Quality Index of about 54 in August.
Other months in Sirmione
Warmer or cooler than Sirmione in August
Similar destinations in Southern Europe — August
Within 300 km: Verona's Arena opera festival around 10 Jun – 10 Sep, and Milan's Lake ferries on full timetable around 1 Apr – 15 Oct.