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Earth Observations Laboratory, Johnson Space Center. CC BY-SA 4.0 Wikimedia Commons

Montague Island (Baja California)

Island

Montague Island off Sonora's coast in the Gulf of California has rocky shores and marine life; boats run from coastal towns for fishing, wildlife viewing and diving.

Montague Island (Baja California) HermosilloCiudad ObregónGuaymasNogales, SonoraSan Luis Río ColoradoNavojoaPuerto PeñascoÁlamosMontague Island (Baja California)
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Montague Island (Baja California) essentials

Address: Montague Island, Baja California, Mexico

About Montague Island (Baja California)

Montague Island (Isla Montague) is a small island off the coast of Sonora in the Gulf of California. The island is part of the region’s marine environment and provides habitat for seabirds and marine life.

As a relatively remote and uninhabited island, it is primarily of interest for wildlife observation and for regional marine ecology. Visit access is typically by private or charter boat from the Sonoran coast.

The island sits offshore in the Gulf of California within Sonora state and forms part of the chain of islands and islets that characterize this section of Mexico’s eastern seaboard.

When to Go

Best Time to Visit Montague Island (Baja California)

Spring and autumn offer the most reliable sea conditions; access depends on local boat services and conservation restrictions.

Spring (Mar-May)
Mar-May · 18-26°C (64-79°F)
Good weather for sea-bird colonies and calmer seas for boat access.
Autumn (Sep-Nov)
Sep-Nov · 20-28°C (68-82°F)
Fewer storms and pleasant temperatures; fewer tourist boats.

Weather & Climate near Montague Island (Baja California)

Climate

Montague Island (Baja California)'s climate is classified as Hot Desert - Hot Desert climate with very hot summers (peaking in August) and mild winters (coldest in January). Temperatures range from 9°C to 38°C. Very dry conditions with minimal rainfall with a pronounced dry season.

Air Quality: AQI 36 Good
Temperature & Rainfall
Temperature Range
38°
Warmest Month
9°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - 9° - 21° 15° 5 mm - - 2.7 m/s - -
February - 10° - 24° 17° 6 mm - - 2.7 m/s - -
March - 12° - 26° 19° 3 mm - - 2.9 m/s - -
April - 14° - 29° 21° 2 mm - - 3.0 m/s - -
May - 18° - 32° 25° 0 mm - - 3.0 m/s - -
June - 22° - 36° 29° 0 mm - - 3.1 m/s - -
July - 25° - 38° 32° 2 mm - - 3.3 m/s - -
August - 26° - 38° 32° 9 mm - - 3.2 m/s - -
September - 24° - 36° 30° 8 mm - - 2.8 m/s - -
October - 19° - 33° 26° 9 mm - - 2.8 m/s - -
November - 14° - 28° 21° 3 mm - - 2.8 m/s - -
December - 10° - 22° 16° 8 mm - - 2.8 m/s - -
Getting There & Around

How to Get to Montague Island (Baja California)

Access requires a charter boat from the Sonoran coast; the nearest ports depend on the specific island location (check local operators in Sonora). Landing may be subject to conservation rules.

Tips for Visiting Montague Island (Baja California)

  • If visiting for wildlife or sea-bird viewing, travel by small charter boat from the nearest mainland port-boat operators know the safest approaches.
  • Bring sun protection and light layers-exposed islands quickly become hot and then windy.
  • Check local regulations: many Gulf of California islands are protected and landing may be restricted.