San Pedro Nolasco Island

Island

An island in the Gulf of California off Sonora, known for sea lion rookeries and clear waters; visitors arrive by boat for snorkeling, wildlife viewing and sport fishing.

San Pedro Nolasco Island HermosilloCiudad ObregónGuaymasNogales, SonoraSan Luis Río ColoradoNavojoaPuerto PeñascoÁlamosSan Pedro Nolasco Island
In this guide

San Pedro Nolasco Island essentials

Country: Mexico
Driest months: Apr-Jun
Pay in: Peso ($)
Language: Spanish
Emergency: 060

San Pedro Nolasco Island at a Glance

About San Pedro Nolasco Island

San Pedro Nolasco Island is a small island in the Gulf of California off the coast of Sonora, Mexico, known for its seabird colonies and marine life. The island is part of the Gulf’s island system and is valued for wildlife observation and snorkeling.

The island’s shoreline and surrounding waters provide habitat for seabirds and for marine species typical of the Gulf of California. Landing and activities are generally organized by local boat operators who run trips from Sonoran ports.

The island lies offshore in the central Gulf of California within Sonora’s maritime zone and is accessed by boat from coastal towns on the Sonoran mainland.

  • Wildlife and access: The island is an important refuge for seabirds and marine mammals and is typically accessed only by private or tour boats from Sonoran coastal towns.
When to Go

Best Time to Visit San Pedro Nolasco Island

The best visiting months are spring through early autumn when sea conditions are most accommodating.

Spring-Summer
March-September · 18-28°C
Best window for boat access and wildlife activity.
Autumn
October-November · 18-25°C
Good shoulder season with fewer boats and steady conditions.

Weather & Climate near San Pedro Nolasco Island

Climate

Subtropical climate with hot summers (peaking in August) and mild winters (coldest in January). Temperatures range from 11°C to 33°C. Very dry conditions with minimal rainfall with a pronounced dry season.

Air Quality: AQI 32 Good
Temperature & Rainfall
Temperature Range
33°
Warmest Month
11°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - 11° - 20° 15° 17 mm - - 2.8 m/s - -
February - 12° - 20° 16° 7 mm - - 3.0 m/s - -
March - 13° - 22° 17° 3 mm - - 3.1 m/s - -
April - 16° - 24° 20° 1 mm - - 3.2 m/s - -
May - 19° - 27° 23° 1 mm - - 3.1 m/s - -
June - 23° - 30° 27° 1 mm - - 3.2 m/s - -
July - 27° - 32° 29° 31 mm - - 3.2 m/s - -
August - 27° - 33° 30° 59 mm - - 2.9 m/s - -
September - 26° - 32° 29° 45 mm - - 2.8 m/s - -
October - 22° - 29° 26° 10 mm - - 2.8 m/s - -
November - 17° - 24° 20° 9 mm - - 2.9 m/s - -
December - 13° - 21° 17° 14 mm - - 2.9 m/s - -
Getting There & Around

How to Get to San Pedro Nolasco Island

Boat charters depart from Sonoran ports such as Puerto Peñasco or Guaymas. Access is by permit in many cases and visits are typically day trips.

Tips for Visiting San Pedro Nolasco Island

  • Landings are controlled to protect nesting seabirds; coordinate with local authorities and protected-area rangers.
  • Bring a good waterproof shelter - afternoons can bring brisk sea spray even on calm days.