Reservoir · Slovakia
Zemplínska šírava
Reservoir in Slovakia
- Area
- 29.0km²
- Max depth
- 14m
- Average depth
- 12m
- Elevation
- 109m a.s.l.
- Shoreline
- 30km
- Volume
- 0.334km³
Zemplínska šírava is a reservoir in Slovakia. It covers 29.0 km². On average it is 12 m deep, and 14 m at its deepest point. Its surface lies 109 m above sea level.
Plan your visit
Stay, sail and get there
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
The water
How warm is Zemplínska šírava?
The water is warmest in July, around 24 °C at the surface, and coldest in January, around 0 °C. The surface averages 20 °C or more from June to September: comfortable for most swimmers.
The lake usually freezes over for about 42 days a year, from around 1 January to 11 February.
On the shore, afternoons reach 26 °C on average in August and -2 °C in January. The driest month is February (40 mm of rain), the wettest July (97 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (116 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 | -8 | 44 | 10 | 1.7 | 12 |
| February | 1 | 2 | 1 | -7 | 40 | 10 | 2.9 | 13 |
| March | 5 | 8 | 8 | -3 | 41 | 10 | 4.4 | 13 |
| April | 11 | 14 | 15 | 3 | 45 | 11 | 5.7 | 12 |
| May | 18 | 20 | 20 | 9 | 86 | 14 | 6.2 | 11 |
| June | 22 | 24 | 23 | 13 | 86 | 15 | 6.5 | 10 |
| July | 24 | 24 | 25 | 15 | 97 | 14 | 6.8 | 9 |
| August | 24 | 24 | 26 | 14 | 69 | 11 | 7.0 | 9 |
| September | 20 | 22 | 20 | 9 | 62 | 10 | 5.1 | 10 |
| October | 15 | 18 | 13 | 4 | 59 | 9 | 3.5 | 10 |
| November | 8 | 11 | 6 | 0 | 47 | 10 | 1.7 | 11 |
| December | 2 | 4 | 0 | -6 | 46 | 11 | 1.1 | 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 8.9 years before flowing out.
- Its catchment drains 186 km² of land.
- About 1.2 m³ of water flow out every second, on average.
Around the shore
What's around Zemplínska šírava
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 22beaches and swimming spots
Kamenec, Klokočov and 20 more
- 2campsites
Klokocovy, Hôrka
- —boat hire and water-sport clubs
- 8marinas and slipways
Slnečný Lúč, Medvedia hora, Lodenica and 5 more
- —ferry piers
- 4viewpoints
- 40hotels, B&Bs and chalets
Penzión Stefanie, Sĺňava, Dúha, Penzión Dolina, Penzión Tilia and 35 more
- —fishing spots
- 11restaurants and cafés
Towns on the shore
- Klokočov2,287 people
- Vinné1,608 people
Nearest airport with scheduled flights: Košice International Airport (KSC), 59 km in a straight line.
Car hire at KSC airport (Košice)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 | -1.7 | 1.0 | 7.5 | 14.7 | 19.5 | 23.1 | 25.4 | 25.6 | 20.1 | 13.2 | 6.3 | -0.1 |
| 2020 | +1.5 | +2.9 | +1.3 | +0.4 | −3.2 | −0.5 | −1.7 | −0.2 | +1.7 | −0.1 | −0.7 | +2.2 |
| 2021 | +2.0 | −0.5 | −1.1 | −4.5 | −2.5 | +1.2 | +1.0 | −2.6 | −0.7 | −0.4 | +0.4 | ±0.0 |
| 2022 | +1.7 | +2.5 | ±0.0 | −2.8 | +1.1 | +3.6 | +2.7 | +2.8 | −1.7 | +2.3 | +0.5 | +0.3 |
| 2023 | +4.7 | +1.9 | +1.7 | −2.4 | −0.5 | −0.9 | −0.2 | +0.6 | +3.4 | +2.5 | −0.2 | +0.2 |
| 2024 | +1.9 | +7.1 | +3.5 | +1.6 | +1.4 | +0.7 | +2.0 | +3.1 | +3.0 | +1.0 | −1.7 | +1.6 |
| 2025 | +3.4 | +1.1 | +3.3 | +1.2 | −2.9 | +2.6 | +1.2 | +1.4 | +1.8 | −1.3 | +0.3 | +2.9 |
+1 warmer than usual −1 cooler than usual
Poland
HungaryAbout 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 (Q189395) · 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.
