Lake · Italy
Lake Iseo
Fourth largest lake in Lombardy, Italy
- Area
- 58.7km²
- Max depth
- 251m
- Average depth
- 71m
- Elevation
- 182m a.s.l.
- Shoreline
- 72km
- Volume
- 4.2km³
Lake Iseo is a lake in Italy. It covers 58.7 km². On average it is 71 m deep, and 251 m at its deepest point. Its surface lies 182 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 Iseo?
The water is warmest in July, around 23 °C at the surface, and coldest in February, around 6 °C. The surface averages 20 °C or more from June to August: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 30 °C on average in July and 6 °C in January. The driest month is January (44 mm of rain), the wettest November (118 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (156 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 | 6 | 7 | 6 | 0 | 44 | 7 | 3.2 | 8 |
| February | 6 | 6 | 8 | 1 | 60 | 6 | 4.3 | 9 |
| March | 7 | 9 | 13 | 4 | 59 | 7 | 5.8 | 9 |
| April | 11 | 13 | 18 | 8 | 80 | 12 | 6.5 | 10 |
| May | 16 | 18 | 22 | 13 | 97 | 13 | 7.8 | 9 |
| June | 21 | 22 | 27 | 17 | 77 | 13 | 9.3 | 8 |
| July | 23 | 23 | 30 | 20 | 68 | 10 | 10.2 | 8 |
| August | 22 | 23 | 30 | 19 | 85 | 11 | 8.9 | 8 |
| September | 20 | 21 | 24 | 14 | 77 | 10 | 6.9 | 8 |
| October | 16 | 18 | 18 | 10 | 90 | 10 | 4.5 | 8 |
| November | 12 | 14 | 12 | 5 | 118 | 10 | 2.9 | 9 |
| December | 9 | 10 | 7 | 1 | 64 | 8 | 2.9 | 8 |
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 2.7 years before flowing out.
- Its catchment drains 1,813 km² of land.
- About 48 m³ of water flow out every second, on average.
- Its shoreline is 2.6 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Lake Iseo
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 23beaches and swimming spots
Spiaggia di Toline, Il Lido Iseo, Lido Nettuno, Lido Comunale, Spiaggia Carini and 18 more
- 23campsites
Camping Riva di San Pietro, Camping Eurovil, Area Sosta Camper Gerolo, Trenta Passi, Camping Girasole and 18 more
- 3boat hire and water-sport clubs
SCB Windsurfing, Lago Vivo Econoleggio
- 24marinas and slipways
Porto di Pisogne, Porto Turistico di Lovere, Sulzano, Porto vecchio, Associazione Nautica Sebina (ANS) and 19 more
- 28ferry piers
Marone, Carzano 1, Sale Marasino, Castro, Riva di Solto and 23 more
- 54viewpoints
Punto panoramico and 53 more
- 64hotels, B&Bs and chalets
Continental, Moderno, Vulcano Village casa vacanze B&B, Hotel Rivalago, Residence Castello Oldofredi and 59 more
- —fishing spots
- 235restaurants and cafés
Towns on the shore
- Costa Volpino8,705 people
- Villongo7,436 people
- Sarnico6,177 people
- Provaglio d'Iseo5,885 people
- Iseo5,311 people
- Lovere5,255 people
- Pisogne5,248 people
- Sovere4,838 people
Nearest airport with scheduled flights: Il Caravaggio International Airport (BGY), 29 km in a straight line.
Car hire at BGY airport (Orio al Serio)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 | 6.5 | 8.5 | 13.4 | 17.7 | 22.1 | 26.9 | 29.9 | 29.5 | 24.3 | 18.5 | 12.1 | 7.3 |
| 2020 | +2.4 | +3.8 | −0.5 | +0.9 | +0.5 | −1.8 | −0.7 | +0.2 | +1.0 | −1.1 | +0.6 | −0.4 |
| 2021 | −1.1 | +1.4 | −0.1 | −2.5 | −1.7 | +1.4 | +0.3 | ±0.0 | +2.0 | −0.4 | ±0.0 | +0.5 |
| 2022 | +2.0 | +3.4 | −0.3 | +0.1 | +2.6 | +4.5 | +5.3 | +1.4 | +0.1 | +4.1 | +1.8 | +1.0 |
| 2023 | +1.9 | +2.0 | +1.9 | −0.4 | −0.5 | +0.5 | +1.1 | +2.1 | +3.6 | +4.0 | +0.8 | +2.7 |
| 2024 | +2.0 | +4.4 | +0.8 | ±0.0 | −1.4 | −1.7 | −0.6 | +1.6 | −0.6 | +0.2 | +0.2 | +1.4 |
| 2025 | +1.4 | +0.3 | +0.5 | +0.8 | −0.6 | +2.5 | −0.7 | −0.8 | −0.8 | −0.9 | −0.1 | +2.5 |
+1 warmer than usual −1 cooler than usual
SwitzerlandAbout 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 (Q15648) · 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.
