Lake · Poland
Lake Mamry
Lake
- Area
- 28.1km²
- Max depth
- 44m
- Average depth
- 6.9m
- Elevation
- 110m a.s.l.
- Shoreline
- 57km
- Volume
- 0.194km³
Lake Mamry is a lake in Poland. It covers 28.1 km². On average it is 6.9 m deep, and 44 m at its deepest point. Its surface lies 110 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Lake Mamry?
The water is warmest in July, around 22 °C at the surface, and coldest in February, around 0 °C. The surface averages 20 °C or more from July to August: comfortable for most swimmers.
The lake usually freezes over for about 20 days a year, from around 22 January to 10 February.
On the shore, afternoons reach 23 °C on average in July and -2 °C in January. The driest month is April (40 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 (48 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 | 0 | 1 | -2 | -8 | 51 | 13 | 0.7 | 19 |
| February | 0 | 1 | -1 | -7 | 41 | 11 | 2.4 | 18 |
| March | 2 | 4 | 5 | -3 | 43 | 11 | 4.5 | 18 |
| April | 7 | 10 | 12 | 2 | 40 | 10 | 6.7 | 16 |
| May | 14 | 17 | 18 | 8 | 69 | 13 | 8.5 | 15 |
| June | 19 | 21 | 21 | 11 | 78 | 14 | 8.4 | 15 |
| July | 22 | 22 | 23 | 14 | 92 | 15 | 7.7 | 14 |
| August | 21 | 22 | 23 | 13 | 81 | 14 | 6.9 | 14 |
| September | 17 | 20 | 18 | 9 | 57 | 11 | 5.5 | 15 |
| October | 11 | 14 | 11 | 4 | 63 | 12 | 2.8 | 17 |
| November | 6 | 8 | 5 | 0 | 55 | 12 | 0.5 | 18 |
| December | 2 | 4 | 0 | -4 | 52 | 13 | 0.3 | 19 |
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 13 months before flowing out.
- Its catchment drains 697 km² of land.
- About 5.6 m³ of water flow out every second, on average.
- Its shoreline is 3.0 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Lake Mamry
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 7beaches and swimming spots
Plaża Miejska and 6 more
- 13campsites
Park Sonata, Zwierzyniecki Róg, Port i pole namiotowe, Stanica Wodna Kietlice nad Mamrami, Przystań mamerki and 8 more
- 5boat hire and water-sport clubs
Jezioro Mamry – Campingplatz, Jezioro Mamry - Archäologische Siedlung, Jezioro Harsz, Jezioro Mamry – Upalty, Arabella
- 29marinas and slipways
Piękny Brzeg, Cypel - Zwierzyniecki Róg, MIX Port, Rybaczówka Kal, Przystań Skłodowo and 24 more
- —ferry piers
- 6viewpoints
Punkt widokowy ANIATA, Wzgórze nad Święcajtami and 4 more
- 31hotels, B&Bs and chalets
Mamry - Domki Letniskowe, Zatoka Kal - Ośrodek Wypoczynkowo-Żeglarski, Ognisty Ptak, Pensjonat Karczma, Piękny Brzeg and 26 more
- 1fishing spots
- 15restaurants and cafés
Towns on the shore
- Węgorzewo11,864 people
Nearest airport with scheduled flights: Olsztyn-Mazury Airport (SZY), 91 km in a straight line.
Car hire at SZY airport (Szymany)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Photos
Seen by visitors
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 | -2.5 | -0.7 | 4.8 | 12.2 | 18.0 | 21.0 | 23.3 | 22.8 | 17.8 | 10.8 | 4.7 | -0.1 |
| 2020 | +5.2 | +5.1 | +2.3 | −0.2 | −2.8 | +1.7 | −0.9 | +1.1 | +1.9 | +1.9 | +1.7 | +0.6 |
| 2021 | −0.7 | −3.3 | +0.2 | −2.4 | −2.5 | +2.9 | +2.7 | −2.4 | −1.3 | +0.7 | +0.7 | −2.0 |
| 2022 | +3.6 | +4.0 | +1.5 | −2.4 | −1.7 | +1.4 | −1.3 | +2.7 | −2.5 | +2.8 | −0.4 | −1.5 |
| 2023 | +4.2 | +2.4 | +1.2 | ±0.0 | −0.2 | +1.3 | ±0.0 | +1.9 | +5.2 | +1.4 | −0.5 | +1.1 |
| 2024 | +1.4 | +6.0 | +3.5 | +1.1 | +2.4 | +1.6 | +1.1 | +1.7 | +4.6 | +1.7 | +0.2 | +2.6 |
| 2025 | +4.5 | +1.1 | +4.7 | +2.7 | −2.6 | +0.2 | +0.3 | −0.3 | +2.1 | +0.4 | −0.5 | +2.2 |
+1 warmer than usual −1 cooler than usual
RussiaAbout 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 (Q1330800) · 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.
