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Peru PeruIsland

San Lorenzo Island

16.2 km² of land in the Pacific Ocean.

When to go

San Lorenzo Island seen from space, cut out from the sea (Sentinel-2)
N 1 km

Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.

In numbers

16.2km²

Area

24km

Coastline

396m

Highest point

22°C

Warmest sea

February

2km

To the mainland

When to go to San Lorenzo Island

Best for the beach from January to March.

The sea is warmest in February (22 °C) and coolest in September (17 °C). Comfortable swimming (21 °C or more): from January to March.

Sea temperature (the water level) Air: night low to afternoon high Wet days Best months

Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.

Island in Peru

San Lorenzo Island is an island in Peru. It covers 16.2 km², with 24 km of coastline. Its highest point rises to 396 m. The nearest mainland is 2 km away.

Read more on Wikipedia

Getting there

  • Jorge Chávez International Airport (LIM)nearest airport with scheduled flights · 14 km in a straight lineCar hire at LIM airport (Lima)Discover Cars · Affiliate link
  • FerriesCallao - San Lorenzo
  • 2 km from the mainlanddistance to the nearest continental coast
  • From January to Marchbest months to go (from 30 years of averages)

Plan the trip

Ferries, stays and things to do

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.

On the island

What you find on San Lorenzo Island.

  • 2beaches
  • 2lighthousesGran Almirante Grau
  • 4named peaksLa Mina Hill, El Cabezo Hill, Encantado Hill and 1 more

Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.

Cross-checked with our atlases

San Lorenzo Island in our other atlases

Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside San Lorenzo Island, each with its own numbers.

  • 13beaches and covesCoastya
  • 3mountainsPeakyas
  • Beach with the warmest sea

    21.5°C

    Playa Grande

    sea in the warmest month · according to Coastya

13 beaches

on Coastya, the beach atlas

  1. Playa Grande21.5°C
  2. Playa Chira21.5°C
  3. Playa El Muerto21.5°C
  4. Caleta de Pescadorescove21.5°C
  5. Caleta Paraísocove21.5°C
  6. Caleta Ermitañocove21.5°C
  7. Caleta Coloradacove21.5°C
  8. Caleta Choroscove21.5°C

5 more on CoastyaOpen Coastya ↗

3 mountains

on Peakyas, the mountain atlas

  1. Cerro Huanay
  2. Cerro Encantado
  3. Cerro La Mina

Open Peakyas ↗

The shape of the land.

On average the island stands 121 m above the sea. 82 % of it is below 200 m.

  • 24 %0–50 m
  • 58 %50–200 m
  • 18 %200–500 m

Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).

Size, for real

Next to islands you may know.

San Lorenzo Island16 km²
Manhattan54 km²
Capri10 km²

5 km

All outlines drawn to the same scale (Natural Earth and OpenStreetMap).

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)222322212019181717181920
Night low (°C)212221201817171616161819
Sea (°C)212221201918181717171819
Rain (mm)256112221122
Wet days011000000000
Sun h/day8.07.98.18.26.23.83.43.74.66.07.07.3
Wind (km/h)161414182123242424211918

Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.

Recent years

Warmer and cooler years at sea.

Each month's sea temperature compared with its 1991–2020 average, in degrees.

JanFebMarAprMayJunJulAugSepOctNovDec
2020−0.8+0.1+0.6+0.3−0.1−1.2−1.7−0.8−1.0−0.4−1.3−0.4
2021−0.3−1.3−1.0−1.4−1.1−0.2−0.2−1.7−1.5−1.0−1.4−1.8
2022−0.5−2.6−2.5−2.5−1.9−2.5−1.9−1.6−1.2−2.0−1.5−0.8
2023−2.1−0.1+1.2+3.4+2.5+3.1+3.3+3.0+1.8+1.1+0.6+0.8
2024+1.2+1.7+0.7+0.2−1.8−1.9−1.4−1.3−0.6−0.3−0.3−1.2
2025−1.2+0.1−0.3±0.0−1.1+1.0+0.3±0.0−0.4−0.4−0.8−0.9

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

La Rosa Náutica - isla san lorenzo
Miguel Vera León · CC BY 2.0
Isla San Lorenzo, Callao, Peru
Fakler · CC BY-SA 4.0
Isla San Lorenzo
Copisito bonito · CC BY-SA 4.0

About these numbers

Names, area, populationWikidata (Q926649) · CC0
Outline© OpenStreetMap contributors · ODbL
Sea temperatureNOAA OISST v2.1 · 1991–2020
ClimateNASA POWER · 1991–2020
Relief, 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Beaches, ports, lighthouses, trails© OpenStreetMap contributors · ODbL
TownsGeoNames · CC BY 4.0
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Beaches, mountains, lakes and waterfallsCoastya, Peakyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

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

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.Coming soonVisit
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.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.You are here
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