Lagoon · Italy
Valli di Comacchio
Lagoons in Emilia-Romagna, Italy
- Area
- 104km²
- Average depth
- 1.7m
- Elevation
- -3m a.s.l.
- Shoreline
- 105km
- Volume
- 0.173km³
Valli di Comacchio is a lagoon in Italy. It covers 104 km². On average it is 1.7 m deep. Its surface lies 3 m below sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Valli di Comacchio?
The water is warmest in July, around 28 °C at the surface, and coldest in January, around 3 °C. The surface averages 20 °C or more from May 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 (37 mm of rain), the wettest November (79 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (179 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 | 3 | 4 | 8 | 1 | 41 | 8 | 2.8 | 12 |
| February | 6 | 8 | 10 | 2 | 61 | 8 | 4.2 | 13 |
| March | 11 | 14 | 14 | 5 | 59 | 8 | 5.8 | 13 |
| April | 17 | 19 | 18 | 9 | 56 | 11 | 7.1 | 12 |
| May | 21 | 23 | 23 | 13 | 66 | 11 | 8.6 | 11 |
| June | 26 | 27 | 29 | 18 | 47 | 9 | 10.2 | 11 |
| July | 28 | 28 | 32 | 21 | 37 | 8 | 10.9 | 11 |
| August | 27 | 28 | 32 | 20 | 42 | 8 | 9.6 | 10 |
| September | 23 | 26 | 26 | 16 | 64 | 10 | 7.3 | 11 |
| October | 16 | 20 | 20 | 11 | 73 | 10 | 4.7 | 11 |
| November | 10 | 13 | 14 | 6 | 79 | 11 | 2.6 | 12 |
| December | 4 | 6 | 9 | 2 | 52 | 10 | 2.6 | 12 |
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 32 days before flowing out.
- Its catchment drains 5,602 km² of land.
- About 64 m³ of water flow out every second, on average.
- Its shoreline is 2.9 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Valli di Comacchio
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- 3campsites
Mare e Pineta, Prato Pozzo, Area Sosta Camper Residenza le Le Saline
- —boat hire and water-sport clubs
- —marinas and slipways
- 2ferry piers
- 4viewpoints
Valli di Comacchio
- 6hotels, B&Bs and chalets
Agriturismo Ristorante "Quietovivere", Prato Pozzo, Dubai Beach Hotel, Residenza Le Saline, Michelangelo Family Resort and 1 more
- 1fishing spots
- 11restaurants and cafés
Towns on the shore
- Porto Garibaldi4,732 people
- Sant'Alberto2,205 people
- Lido degli Estensi1,644 people
Nearest airport with scheduled flights: Forlì-Luigi Ridolfi International Airport (FRL), 46 km in a straight line.
Car hire at BLQ airport (Bologna)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 | 8.0 | 9.6 | 13.9 | 18.4 | 23.4 | 29.0 | 32.3 | 31.7 | 25.7 | 20.3 | 14.0 | 9.0 |
| 2020 | +1.7 | +4.4 | −0.3 | +1.7 | +1.2 | +0.2 | −0.1 | +1.1 | +1.8 | −0.1 | +0.1 | +1.3 |
| 2021 | +0.1 | +2.3 | +0.6 | −1.7 | +0.1 | +3.0 | +1.5 | +0.9 | +1.7 | −1.0 | +0.3 | +0.4 |
| 2022 | +0.7 | +3.2 | −0.5 | −0.5 | +2.8 | +3.5 | +2.7 | +0.3 | +0.3 | +3.6 | +1.8 | +2.0 |
| 2023 | +1.9 | +1.3 | +2.1 | −0.4 | −2.0 | −0.7 | +1.5 | +1.2 | +3.3 | +5.1 | +1.6 | +2.6 |
| 2024 | +2.0 | +4.8 | +2.7 | +1.6 | +0.6 | +1.0 | +2.6 | +2.2 | +0.5 | +0.6 | +0.2 | +0.6 |
| 2025 | +2.4 | +0.9 | +0.9 | +0.9 | +0.2 | +3.6 | −0.5 | −0.7 | +0.4 | −0.9 | −0.5 | +1.2 |
+1 warmer than usual −1 cooler than usual
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 (Q1891671) · 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.
