Lake · Peru
Lake Arapa
Lake in Puno, Peru
- Area
- 102km²
- Average depth
- 21m
- Elevation
- 3,812m a.s.l.
- Shoreline
- 86km
- Volume
- 2.1km³
Lake Arapa is a lake in Peru. It covers 102 km². On average it is 21 m deep. Its surface lies 3,812 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Lake Arapa?
The water is warmest in December, around 16 °C at the surface, and coldest in July, around 12 °C. Even at its warmest, the surface stays below 17 °C on average: this is cold water.
It does not normally freeze in winter.
On the shore, afternoons reach 18 °C on average in November and 14 °C in July. The driest month is June (3 mm of rain), the wettest February (103 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (154 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 | 16 | 16 | 16 | 2 | 94 | 17 | 4.2 | 10 |
| February | 16 | 16 | 16 | 2 | 103 | 16 | 4.1 | 10 |
| March | 16 | 16 | 16 | 1 | 68 | 12 | 5.1 | 9 |
| April | 15 | 15 | 16 | 0 | 31 | 6 | 6.4 | 9 |
| May | 14 | 15 | 15 | -2 | 12 | 2 | 7.5 | 9 |
| June | 13 | 14 | 14 | -3 | 3 | 1 | 8.1 | 10 |
| July | 12 | 13 | 14 | -4 | 5 | 1 | 8.0 | 10 |
| August | 12 | 13 | 15 | -3 | 6 | 2 | 7.4 | 10 |
| September | 13 | 14 | 16 | -1 | 19 | 3 | 5.8 | 10 |
| October | 15 | 15 | 17 | 1 | 42 | 6 | 5.6 | 10 |
| November | 16 | 16 | 18 | 2 | 28 | 7 | 5.7 | 10 |
| December | 16 | 16 | 17 | 2 | 83 | 13 | 4.3 | 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 17 years before flowing out.
- Its catchment drains 479 km² of land.
- About 4.1 m³ of water flow out every second, on average.
Around the shore
What's around Lake Arapa
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- —campsites
- —boat hire and water-sport clubs
- —marinas and slipways
- —ferry piers
- —viewpoints
- —hotels, B&Bs and chalets
- —fishing spots
- —restaurants and cafés
Towns on the shore
- Arapa907 people
- Chupa
Nearest airport with scheduled flights: Inca Manco Capac International Airport (JUL), 36 km in a straight line.
OpenStreetMap 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 | 16.1 | 15.9 | 15.8 | 15.5 | 14.8 | 13.9 | 13.8 | 15.0 | 16.1 | 16.9 | 18.0 | 16.9 |
| 2020 | +0.7 | −0.7 | −0.5 | −0.3 | −0.1 | ±0.0 | +0.6 | +1.4 | −0.1 | +0.5 | +2.0 | +0.1 |
| 2021 | −0.6 | −0.2 | −0.7 | +0.1 | ±0.0 | −0.4 | +0.6 | +0.7 | +0.5 | +0.5 | −1.1 | −0.8 |
| 2022 | ±0.0 | −0.5 | −0.8 | +0.3 | +0.3 | −0.6 | +1.2 | +0.7 | +1.2 | +2.7 | +2.1 | +0.3 |
| 2023 | +1.6 | +0.4 | +0.5 | +0.3 | −0.6 | +0.3 | ±0.0 | −1.9 | −0.4 | +2.2 | +0.2 | +0.1 |
| 2024 | +1.5 | +0.5 | +0.2 | +1.6 | +1.3 | +1.6 | +1.8 | +2.2 | +1.8 | +1.7 | +0.7 | +1.3 |
| 2025 | +0.9 | +0.5 | −0.7 | −0.4 | +0.1 | −0.4 | −0.3 | −0.1 | −0.1 | −0.3 | +0.2 | +0.5 |
+1 warmer than usual −1 cooler than usual
Bolivia
ChileAbout 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 (Q619768) · 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.
