Agrihan
Island Volcanic island in Northern Mariana Islands, seldom inhabited
Agrihan, a volcanic island in the Northern Mariana Islands’ Northern Islands Municipality, features steep volcanic terrain and seabird colonies. Its remoteness limits tourism, but visiting specialists focus on diving, birdwatching and geological interest.
Agrihan is a volcanic island in the Northern Mariana Islands group in the northwest Pacific Ocean. The island contains the Mariana island chain’s highest point, Mount Agrihan.
A sparsely inhabited or uninhabited volcanic landscape with steep slopes rising to the island’s summit; natural features include tropical vegetation and volcanic terrain rather than developed visitor infrastructure. Access is by boat or occasional charter flights and is limited compared with more developed islands.
Formed by volcanic activity, the island has a history of small-scale habitation and periodic evacuation; it has seen limited development and remains largely natural in character. The peak has been the subject of mountaineering visits.
Located in the northern part of the Northern Mariana Islands, the island lies well north of the more populated southern islands and is accessible only by sea or chartered air services.
- Highest peak: Home to the highest peak in the Mariana Islands, Mount Agrihan, which reaches approximately 965 metres above sea level.
How to Get to Agrihan #
Access is by private charter-small aircraft from Saipan when flights are available, or by boat. There are no regular commercial services; visitors must arrange transport and clearance in advance.
Tips for Visiting Agrihan #
- Agrihan is remote and requires chartered transport-small aircraft or boat charters are the only realistic ways to reach the island.
- Bring supplies and emergency communications; there is virtually no tourist infrastructure and weather can strand visitors.
- For those interested in geography, Agrihan's remnant caldera and steep slopes make it a dramatic site for photography and volcanic study.
Best Time to Visit Agrihan #
Visit in the drier months when sea conditions are more favorable; charter logistics dominate planning.
Weather & Climate near Agrihan #
Agrihan's climate is classified as Tropical Monsoon - Tropical Monsoon climate with consistently warm temperatures year-round. Temperatures range from 19°C to 28°C. Abundant rainfall (1746 mm/year), wettest in August.
January
January is mild with highs of 25°C and lows of 20°C. Significant rainfall (105 mm) and breezy conditions.
Comfort
Weather
February
February is mild with highs of 24°C and lows of 19°C. Moderate rainfall (76 mm) and breezy conditions.
Comfort
Weather
March
March is mild with highs of 25°C and lows of 20°C. Moderate rainfall (70 mm) and breezy conditions.
Comfort
Weather
April
April is mild with highs of 26°C and lows of 21°C. Regular rainfall (87 mm) and breezy conditions.
Comfort
Weather
May
May is warm with highs of 27°C and lows of 22°C. Regular rainfall (97 mm).
Comfort
Weather
June
June is warm with highs of 28°C and lows of 23°C. Regular rainfall (100 mm).
Comfort
Weather
July
July is the warmest month with highs of 28°C and lows of 23°C. Heavy rain (213 mm).
Comfort
Weather
August
August is warm with highs of 28°C and lows of 23°C. The wettest month with heavy rain (252 mm).
Comfort
Weather
September
September is warm with highs of 28°C and lows of 23°C. Heavy rain (251 mm).
Comfort
Weather
October
October is warm with highs of 28°C and lows of 23°C. Heavy rain (218 mm).
Comfort
Weather
November
November is warm with highs of 27°C and lows of 22°C. Significant rainfall (153 mm) and breezy conditions.
Comfort
Weather
December
December is mild with highs of 26°C and lows of 21°C. Significant rainfall (124 mm) and breezy conditions.
