Sirmione (Lake Garda) weather in December

Italy

Sirmione, Italy
Photo: Giuseppe Di Maria · Pexels

December in Sirmione: cold, a little rain, with muggy air — a good time to visit.

#12 of 12 months in Sirmione · #961 of 1383 destinations to visit in December · comfort 60/100 (tier C)

Updated September 2026 · climate normals from ERA5 reanalysis

Traveller notes on Sirmione in December

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.
Tripadvisor community · September · 2 days ago · Read more on Tripadvisor

Add your own note from Sirmione's card on the map.

Sirmione climate normals — December

Daytime high9°C / 47°F🧥 cold
Nighttime low3°C / 38°F
Feels like (high)7°C / 45°F
Rainfall68 mm / 2.7 in🌦 some rain
Rainy days7 days
Humidity82%💦 very humid
Dew point3°C / 37°F
Sunshine5.6 h/day
Daylight8.8 h
Wind8 km/h / 5 mph
Snowfall4.3 cm / 1.7 in
Air quality (US AQI)76🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Sirmione in December

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.

BusyChristmas holidays in Italy, school holidays in 6 of the markets that fill it(estimated)

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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).

Toughest weatherSirmione's best weather comes in April, May and September — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

What's on in Sirmione in December

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Closure

    Hotels shut for winter

    15 Nov – 15 Mar

    Most hotels and the lake boats stop from mid-November until spring. The thermal baths, the castle and a handful of restaurants stay open, and the old town is finally empty. Source ↗

What's on around the world in December

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?

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Sirmione in December — FAQ

Is December a good time to visit Sirmione?
December in Sirmione: cold, a little rain, with muggy air — a good time to visit. It ranks #12 of 12 months for Sirmione on SeasonMap's comfort score (60/100).
What is the weather like in Sirmione in December?
In December, Sirmione averages a daily high of 8.5°C and a low of 3.2°C, with about 68.2 mm of rain over roughly 7.3 rainy days.
What is the air quality in Sirmione in December?
Sirmione has a mean US Air Quality Index of about 76 in December.
Does it snow in Sirmione in December?
Sirmione sees roughly 4.3 cm of snowfall in December.

Other months in Sirmione

Compare Sirmione in December

Warmer or cooler than Sirmione in December

Similar destinations in Southern EuropeDecember

Within 300 km: Milan's Sant'Ambrogio and Oh Bej! Oh Bej! on 5–10 Dec, and Livigno's La Sgambeda around 8–18 Dec.