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.
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.
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
- Playa Grande21.5°C
- Playa Chira21.5°C
- Playa El Muerto21.5°C
- Caleta de Pescadorescove21.5°C
- Caleta Paraísocove21.5°C
- Caleta Ermitañocove21.5°C
- Caleta Coloradacove21.5°C
- Caleta Choroscove21.5°C
5 more on CoastyaOpen Coastya ↗
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.
5 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 22 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 17 | 18 | 19 | 20 |
| Night low (°C) | 21 | 22 | 21 | 20 | 18 | 17 | 17 | 16 | 16 | 16 | 18 | 19 |
| Sea (°C) | 21 | 22 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 19 |
| Rain (mm) | 2 | 5 | 6 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 2 | 2 |
| Wet days | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sun h/day | 8.0 | 7.9 | 8.1 | 8.2 | 6.2 | 3.8 | 3.4 | 3.7 | 4.6 | 6.0 | 7.0 | 7.3 |
| Wind (km/h) | 16 | 14 | 14 | 18 | 21 | 23 | 24 | 24 | 24 | 21 | 19 | 18 |
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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.
Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q926649) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Beaches, mountains, lakes and waterfalls | Coastya, 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.



