
Reservoir · 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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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
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 | — | -3 | -8 | 57 | 13 | 0.7 | 11 |
| February | Ice | — | -2 | -8 | 45 | 12 | 2.6 | 10 |
| March | 3 | 7 | 4 | -4 | 46 | 11 | 4.9 | 10 |
| April | 10 | 14 | 12 | 1 | 46 | 10 | 6.7 | 9 |
| May | 17 | 19 | 18 | 7 | 68 | 12 | 8.4 | 8 |
| June | 21 | 22 | 21 | 11 | 80 | 15 | 8.6 | 8 |
| July | 23 | 23 | 23 | 14 | 100 | 16 | 7.9 | 7 |
| August | 22 | 23 | 23 | 12 | 88 | 14 | 6.9 | 7 |
| September | 17 | 20 | 17 | 8 | 56 | 11 | 5.1 | 8 |
| October | 10 | 14 | 10 | 3 | 71 | 13 | 2.3 | 9 |
| November | 3 | 6 | 4 | 0 | 60 | 13 | 0.1 | 9 |
| December | Ice | — | -1 | -5 | 57 | 14 | 0.2 | 10 |
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 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 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 | -3.2 | -1.7 | 3.9 | 11.9 | 18.0 | 21.0 | 23.4 | 22.6 | 17.4 | 9.9 | 4.0 | -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, 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 (Q1737137) · 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.

