Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
243km²
Area
100km
Coastline
1,298m
Highest point
Mount Augusta
213
People
21°C
Warmest sea
September
249km
To the mainland
When to go to Guadalupe Island
Best for the beach from August to October.
The sea is warmest in September (21 °C) and coolest in February (17 °C). The water never reaches 21 °C: bring a wetsuit.
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 the Pacific Ocean, off Baja California, Mexico
Guadalupe Island is an island in Mexico. It covers 243 km², with 100 km of coastline. Its highest point, Mount Augusta, rises to 1,298 m. About 213 people live on it. The nearest mainland is 249 km away.
Getting there
- 249 km from the mainlanddistance to the nearest continental coast
- From August to Octoberbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
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On the island
What you find on Guadalupe Island.
- 2named peaksMonte Augusta, Cono Ceniza Roja
- 1volcanoes
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
Guadalupe Island in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Guadalupe Island, each with its own numbers.
1beachCoastya
Beach with the warmest sea
20.8°C
Caleta Melpómene
sea in the warmest month · according to Coastya
The shape of the land.
On average the island stands 547 m above the sea. 16 % of it is below 200 m.
- 4 %0–50 m
- 12 %50–200 m
- 31 %200–500 m
- 44 %500–1,000 m
- 10 %1,000–2,000 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.
20 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) | 17 | 16 | 16 | 17 | 17 | 18 | 20 | 21 | 21 | 20 | 19 | 17 |
| Night low (°C) | 15 | 14 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 19 | 17 | 15 |
| Sea (°C) | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 20 | 21 | 20 | 19 | 18 |
| Rain (mm) | 12 | 16 | 10 | 6 | 3 | 8 | 3 | 3 | 4 | 7 | 7 | 17 |
| Wet days | 4 | 5 | 4 | 2 | 1 | 1 | 0 | 1 | 1 | 2 | 2 | 6 |
| Sun h/day | 6.9 | 7.1 | 8.0 | 8.5 | 7.4 | 6.3 | 6.5 | 6.7 | 7.7 | 7.4 | 6.9 | 6.2 |
| Wind (km/h) | 18 | 20 | 22 | 24 | 24 | 22 | 19 | 20 | 20 | 19 | 19 | 20 |
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 | ±0.0 | −0.4 | ±0.0 | +0.2 | +0.5 | +1.1 | +0.6 | +0.4 | +1.4 | +1.6 | +0.5 | +0.8 |
| 2021 | +0.4 | −0.4 | −0.6 | −0.5 | −0.5 | −0.3 | +0.1 | +1.1 | +1.2 | +0.5 | −0.4 | +0.1 |
| 2022 | +0.2 | −0.2 | −0.2 | +0.3 | −0.2 | +0.6 | +0.9 | +2.2 | +1.4 | +0.9 | +0.5 | +0.4 |
| 2023 | +0.1 | −0.4 | −0.2 | −0.8 | −0.5 | −0.2 | −0.5 | +0.3 | +0.7 | +0.5 | +0.6 | +0.8 |
| 2024 | +0.6 | +0.5 | +0.4 | +0.4 | +0.5 | +0.4 | +0.9 | +0.7 | ±0.0 | −0.2 | −0.7 | ±0.0 |
| 2025 | +0.5 | −0.2 | −0.3 | +0.5 | +0.4 | +0.8 | +0.5 | −0.2 | +0.7 | +1.0 | +1.1 | +1.4 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.




Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q853909) · 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 — 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
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