Lake · Australia
Lake St Clair
Lake in Tasmania, Australia
- Area
- 28.0km²
- Max depth
- 200m
- Average depth
- 51m
- Elevation
- 738m a.s.l.
- Shoreline
- 39km
- Volume
- 1.4km³
Lake St Clair is a lake in Australia. It covers 28.0 km². On average it is 51 m deep, and 200 m at its deepest point. Its surface lies 738 m above sea level.
Plan your visit
Stay, sail and get there
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The water
Water temperature
There is no reliable satellite record of the water temperature for this lake yet.
On the shore, afternoons reach 17 °C on average in February and 6 °C in July. The driest month is February (56 mm of rain), the wettest August (159 mm).
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.
Climate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | — | — | 17 | 6 | 73 | 12 | 9.8 | 16 |
| February | — | — | 17 | 6 | 56 | 11 | 8.7 | 14 |
| March | — | — | 15 | 6 | 87 | 14 | 7.3 | 15 |
| April | — | — | 12 | 4 | 88 | 15 | 5.6 | 15 |
| May | — | — | 8 | 2 | 116 | 18 | 4.3 | 16 |
| June | — | — | 6 | 2 | 123 | 18 | 3.7 | 16 |
| July | — | — | 6 | 1 | 134 | 22 | 3.8 | 16 |
| August | — | — | 6 | 1 | 159 | 22 | 4.7 | 18 |
| September | — | — | 8 | 1 | 136 | 20 | 6.0 | 18 |
| October | — | — | 11 | 2 | 112 | 18 | 7.8 | 17 |
| November | — | — | 14 | 4 | 85 | 16 | 8.5 | 16 |
| December | — | — | 15 | 5 | 93 | 15 | 9.2 | 17 |
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 4.2 years before flowing out.
- Its catchment drains 268 km² of land.
- About 11 m³ of water flow out every second, on average.
Around the shore
What's around Lake St Clair
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- 4campsites
Narcissus Hut Campsite, Fergy's Paddock Camp Site, Echo Point Campsite, Lake St Clair Lodge
- —boat hire and water-sport clubs
- 1marinas and slipways
Cynthia Bay Boat Ramp
- —ferry piers
- —viewpoints
- 2hotels, B&Bs and chalets
Lake St Clair Lodge - Reception, Pumphouse Point
- —fishing spots
- 1restaurants and cafés
Nearest airport with scheduled flights: Devonport Airport (DPO), 102 km in a straight line.
Car hire at DPO airport (Devonport)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 | 17.3 | 17.4 | 15.4 | 11.6 | 8.3 | 6.3 | 5.5 | 6.0 | 7.9 | 10.6 | 13.5 | 15.0 |
| 2020 | +1.2 | +0.4 | −1.6 | −1.9 | −0.7 | −0.1 | +0.2 | −0.6 | +0.2 | ±0.0 | +1.3 | −1.1 |
| 2021 | −0.8 | −1.0 | −1.3 | −1.2 | +0.2 | +0.9 | +0.2 | +0.4 | −0.3 | −0.3 | −0.3 | +0.4 |
| 2022 | +3.4 | +1.6 | +1.8 | +1.8 | +0.4 | −1.1 | +0.1 | +1.0 | +0.7 | +0.3 | −1.9 | +0.9 |
| 2023 | +2.0 | ±0.0 | −1.4 | +0.3 | −0.7 | +0.2 | +1.2 | +1.3 | +1.9 | −0.3 | +1.5 | +1.7 |
| 2024 | +0.6 | +0.7 | +1.6 | −0.3 | +1.4 | ±0.0 | +0.5 | +1.9 | −0.6 | +0.4 | +1.4 | +0.6 |
| 2025 | +2.0 | +2.1 | +3.0 | +2.1 | +1.1 | +0.2 | +0.9 | +1.2 | −0.6 | −1.7 | −3.1 | −1.0 |
+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 (Q1199171) · 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.
