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Kauno Marios
Watas Arunas Gineitis · CC BY-SA 4.0

LithuaniaReservoir · Lithuania

Kaunas Reservoir

Reservoir in Lithuania

Area
45.5km²
Max depth
21m
Average depth
10m
Elevation
39m a.s.l.
Shoreline
68km
Volume
0.462km³

Kaunas Reservoir is a reservoir in Lithuania. It covers 45.5 km². On average it is 10 m deep, and 21 m at its deepest point. Its surface lies 39 m above sea level.

Plan your visit

Stay, sail and get there

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❄❄3°10°17°21°23°22°17°10°3°❄JanFebMarAprMayJunJulAugSepOctNovDec23°July

The water

How warm is Kaunas Reservoir?

The water is warmest in July, around 23 °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 93 days a year, from around 29 November to 1 March.

On the shore, afternoons reach 23 °C on average in July and -3 °C in January. The driest month is February (45 mm of rain), the wettest July (100 mm).

Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (81 readings). Shallow bays and beaches are often warmer.

From above

The whole lake from space

Kaunas Reservoir seen from space (Sentinel-2)
54.856°N 24.166°E · Sentinel-2 cloudless 2016 by EOX IT Services GmbH (Copernicus Sentinel data 2016), CC BY 4.0 · Places © OpenStreetMap contributors

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

The year at the lake, month by month
MonthWater°CWater high°CAir high°CAir low°CRainmmRainy daysdaysSunh/dayWindkm/h
JanuaryIce—-3-857130.711
FebruaryIce—-2-845122.610
March374-446114.910
April101412146106.79
May171918768128.48
June2122211180158.68
July23232314100167.97
August2223231288146.97
September172017856115.18
October101410371132.39
November364060130.19
DecemberIce—-1-557140.210

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

Kaunas ReservoirLake AnnecyLoch Ness10 km
Drawn to the same scale, next to lakes you may know.
  • On average, water stays in the lake for about 19 days before flowing out.
  • Its catchment drains 44,736 km² of land.
  • About 276 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 Kaunas Reservoir

Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.

  • 10beaches and swimming spots
  • 1campsites

    Duobakalnio stovyklavietė

  • —boat hire and water-sport clubs
  • 12marinas and slipways

    Kauno „Žalgirio“ jachtklubas, Kauno motorlaiviai, Klubas „Žuvėdra“, Turistinių burlaivių savininkų asociacija and 8 more

  • —ferry piers
  • 19viewpoints

    Mergakalnio regykla, Vaizdas į Kauno marias, Žiegždrių atodanga, Lakštingalų slėnis, Rumšiškių apžvalgos bokštas and 14 more

  • 10hotels, B&Bs and chalets

    Kauno Jacht klubas, Gotlitas, Pas Poną, Monte Pacis, Rumšiškės and 5 more

  • —fishing spots
  • 12restaurants and cafés

Nearest airport with scheduled flights: Kaunas International Airport (KUN), 13 km in a straight line.

Car hire at KUN airport (Kaunas)Discover Cars · Affiliate link

OpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.

Photos

Seen by visitors

Kaunas Lagoon - panoramio
mikrimas · CC BY 3.0
2025-07-02 Nemunas Litovio ZvD 06
Ziko van Dijk · CC BY-SA 4.0

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.

JanFebMarAprMayJunJulAugSepOctNovDec
1991–2020 average-3.2-1.73.911.918.021.023.422.617.49.94.0-0.8
2020+6.0+5.7+3.0−0.8−3.2+2.4−1.6+0.9+1.8+2.6+1.8+0.7
2021−0.8−3.4+0.7−2.3−2.8+3.3+3.0−2.0−2.1+0.9+1.0−2.2
2022+3.3+4.1+1.7−2.1−2.3+1.8−1.2+2.9−2.8+2.2−0.5−2.4
2023+3.6+2.7+1.4+0.5−0.1+1.2−1.3+2.0+4.2+0.8−0.6+0.9
2024+0.4+5.2+3.9+1.1+2.5+1.8+1.0+1.7+4.6+1.5+0.6+2.5
2025+5.0+1.0+4.7+2.2−3.2−0.8+0.3−1.3+1.9+0.5−0.3+2.5

+1 warmer than usual −1 cooler than usual

About these numbers

Outline, area, depth, volumeHydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0
Water temperature and iceLakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0
Air, rain, sun, windNASA POWER, 1991–2020 · public domain
Names and descriptionWikidata (Q1737137) · CC0
Around the shore© OpenStreetMap contributors · ODbL
ImagesEOX 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.

Read more on Wikipedia

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves or dark skies?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.You are here
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Visit islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Visit riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit
cavesCavernyasEvery cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.Coming soonVisit
dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Coming soonVisit