Lake · Poland
Jamno
Lake in Poland
- Area
- 22.2km²
- Max depth
- 4m
- Average depth
- 2.2m
- Elevation
- -4m a.s.l.
- Shoreline
- 28km
- Volume
- 0.050km³
Jamno is a lake in Poland. It covers 22.2 km². On average it is 2.2 m deep, and 4 m at its deepest point. Its surface lies 4 m below sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Jamno?
The water is warmest in July, around 22 °C at the surface, and coldest in January, around 0 °C. The surface averages 20 °C or more from June to August: comfortable for most swimmers.
The lake usually freezes over for about 38 days a year, from around 30 December to 5 February.
On the shore, afternoons reach 21 °C on average in August and 2 °C in January. The driest month is April (36 mm of rain), the wettest July (92 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (106 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 | Ice | — | 2 | -1 | 68 | 14 | 0.3 | 27 |
| February | 1 | 2 | 2 | -1 | 50 | 13 | 1.7 | 25 |
| March | 5 | 7 | 4 | 1 | 50 | 11 | 3.9 | 22 |
| April | 10 | 13 | 9 | 4 | 36 | 8 | 6.8 | 19 |
| May | 16 | 18 | 13 | 9 | 52 | 10 | 8.2 | 18 |
| June | 20 | 22 | 17 | 13 | 60 | 11 | 8.6 | 18 |
| July | 22 | 22 | 20 | 16 | 92 | 13 | 7.7 | 18 |
| August | 20 | 22 | 21 | 16 | 82 | 14 | 6.7 | 19 |
| September | 16 | 19 | 17 | 13 | 67 | 13 | 5.3 | 22 |
| October | 11 | 14 | 12 | 9 | 72 | 14 | 2.8 | 24 |
| November | 6 | 8 | 8 | 5 | 70 | 14 | 0.6 | 25 |
| December | 1 | 3 | 4 | 2 | 72 | 16 | 0.0 | 27 |
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 4 months before flowing out.
- Its catchment drains 369 km² of land.
- About 4.5 m³ of water flow out every second, on average.
Around the shore
What's around Jamno
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 4beaches and swimming spots
- 17campsites
Mewa, Camping Mauritius, Brawo, Harcerska Baza Obozowa w Łazach, Camp Ada and 12 more
- —boat hire and water-sport clubs
- 17marinas and slipways
Przystań Rybacka w Unieściu, Przystań Podamirowo, Przystań WDW and 14 more
- 3ferry piers
Jamno Przeprawa, Unieście Przystań (Julek), Mielno Przystań (Julek)
- 3viewpoints
Punkt widokowy 2
- 169hotels, B&Bs and chalets
Unitral Medical Spa, Willa Alexander, Pension Villa Mariner, Eden, Ośrodek Rehabilitacyjno-Wczasowy "SOFRA" Sp. z o.o. and 164 more
- —fishing spots
- 36restaurants and cafés
Towns on the shore
- Mielno2,184 people
Nearest airport with scheduled flights: Solidarity Szczecin–Goleniów Airport (SZZ), 111 km in a straight line.
Car hire at SZZ airport (Szczecin)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 | 2.1 | 2.3 | 4.4 | 8.7 | 13.3 | 17.3 | 20.3 | 20.8 | 17.4 | 12.3 | 7.6 | 4.1 |
| 2020 | +3.5 | +3.8 | +1.8 | +1.0 | −1.4 | +0.5 | −1.0 | +1.8 | +1.2 | +1.1 | +1.9 | +0.1 |
| 2021 | +0.1 | −1.2 | +0.3 | −1.7 | −0.5 | +3.2 | +2.4 | −1.3 | +0.3 | +1.4 | +1.0 | −1.2 |
| 2022 | +1.8 | +2.8 | +1.3 | −0.9 | +0.1 | +1.7 | +0.2 | +2.6 | −0.6 | +2.3 | +0.4 | −0.9 |
| 2023 | +3.0 | +1.9 | +1.1 | −0.5 | +0.2 | +1.6 | +0.2 | −0.4 | +3.4 | +1.3 | −0.3 | +0.3 |
| 2024 | +0.8 | +2.8 | +2.7 | +0.9 | +2.8 | +1.1 | +0.4 | +1.1 | +2.8 | +1.6 | +0.2 | +1.7 |
| 2025 | +2.0 | +0.6 | +2.6 | +1.9 | −1.2 | +0.4 | +0.3 | −0.1 | +1.8 | +0.4 | +0.2 | +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 (Q1681471) · 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.
