Lake · Italy
Lake Trasimeno
Lake in Umbria, Italy
- Area
- 119km²
- Max depth
- 7m
- Average depth
- 10m
- Elevation
- 253m a.s.l.
- Shoreline
- 59km
- Volume
- 1.2km³
Lake Trasimeno is a lake in Italy. It covers 119 km². On average it is 10 m deep, and 7 m at its deepest point. Its surface lies 253 m above sea level.
Plan your visit
Stay, sail and get there
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
The water
How warm is Lake Trasimeno?
The water is warmest in July, around 27 °C at the surface, and coldest in January, around 5 °C. The surface averages 20 °C or more from June to September: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 32 °C on average in July and 8 °C in January. The driest month is July (34 mm of rain), the wettest November (112 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (176 readings). Shallow bays and beaches are often warmer.
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Water: 2013–2021 averageClimate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | 5 | 6 | 8 | 1 | 59 | 8 | 3.2 | 14 |
| February | 6 | 8 | 10 | 1 | 67 | 9 | 4.2 | 15 |
| March | 10 | 12 | 13 | 3 | 68 | 9 | 5.4 | 15 |
| April | 15 | 17 | 18 | 7 | 59 | 11 | 6.8 | 13 |
| May | 20 | 22 | 22 | 11 | 65 | 10 | 8.3 | 12 |
| June | 24 | 26 | 28 | 15 | 42 | 8 | 10.3 | 11 |
| July | 27 | 27 | 32 | 18 | 34 | 5 | 11.3 | 12 |
| August | 26 | 27 | 32 | 18 | 37 | 6 | 9.9 | 11 |
| September | 23 | 25 | 25 | 14 | 76 | 10 | 7.3 | 12 |
| October | 17 | 20 | 20 | 10 | 80 | 10 | 5.1 | 12 |
| November | 12 | 14 | 14 | 6 | 112 | 12 | 3.2 | 14 |
| December | 7 | 9 | 9 | 2 | 83 | 11 | 2.9 | 14 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 10 years before flowing out.
- Its catchment drains 292 km² of land.
- About 3.8 m³ of water flow out every second, on average.
Around the shore
What's around Lake Trasimeno
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 16beaches and swimming spots
Spiaggia Caloni, Sualzo and 14 more
- 16campsites
Area Camper La finestra sul lago, Listro, Polvese, Camping Trasimeno, Area Sosta Camper L'Airone Passignano and 11 more
- 3boat hire and water-sport clubs
Centro Nautico Acqua Dolce, Canoa Club Perugia, Club Velico Castiglionese
- 6marinas and slipways
- 6ferry piers
Castiglione del Lago, Isola Maggiore, Passignano, San Feliciano, Punta Navaccia and 1 more
- 8viewpoints
- 80hotels, B&Bs and chalets
Le Tre Isole, Volante Inn Hotel, Ali sul Lago Hotel residence, Da Santino, La Casa sul Lago and 75 more
- —fishing spots
- 99restaurants and cafés
Towns on the shore
- Magione6,363 people
- Castiglione del Lago5,344 people
- Passignano sul Trasimeno4,464 people
- Tuoro sul Trasimeno2,306 people
Nearest airport with scheduled flights: Perugia San Francesco d'Assisi – Umbria International Airport (PEG), 34 km in a straight line.
Car hire at PEG airport (Perugia)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | 8.2 | 9.5 | 13.3 | 17.7 | 22.2 | 28.0 | 31.9 | 31.6 | 25.3 | 20.0 | 14.0 | 9.3 |
| 2020 | +1.6 | +3.6 | −0.3 | +0.4 | +0.8 | −1.7 | +0.6 | +1.6 | +1.0 | −1.5 | +0.7 | +0.7 |
| 2021 | −0.7 | +2.0 | −0.5 | −2.3 | −1.1 | +1.8 | +0.3 | +1.0 | +2.6 | −1.3 | +0.6 | +0.7 |
| 2022 | +0.1 | +2.3 | −0.9 | −0.6 | +3.6 | +4.6 | +4.4 | +0.6 | +0.1 | +3.0 | +1.2 | +3.1 |
| 2023 | +1.3 | +0.7 | +1.5 | −1.2 | −0.5 | −0.6 | +2.1 | +1.3 | +2.9 | +5.0 | +1.9 | +2.8 |
| 2024 | +2.8 | +4.4 | +2.2 | +2.1 | +1.4 | +1.5 | +3.7 | +3.5 | +0.3 | +1.2 | +1.3 | +0.7 |
| 2025 | +2.6 | +2.1 | +1.3 | +1.2 | +1.1 | +5.3 | +1.2 | +1.4 | +2.6 | +0.9 | +1.0 | +2.5 |
+1 warmer than usual −1 cooler than usual
Nearby
More lakes nearby
About these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q188487) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.
