Alamagan
Island Volcanic island in Northern Mariana Islands
A volcanic island in the Northern Mariana chain, Alamagan has steep slopes, limited habitation and seabird colonies; access is by private boat or research expeditions rather than regular ferries.
How to Get to Alamagan #
Alamagan is reached by charter or supply vessels from Saipan; no regular public transport exists. Travel is weather-dependent and can take several hours. Landing sites are limited and often rough; visitors must coordinate with local authorities and experienced skippers.
Tips for Visiting Alamagan #
- Alamagan is remote and uninhabited - organize transport with experienced local boat operators from Saipan and plan for rough seas.
- Bring ample supplies and reliable communication equipment; there are no visitor facilities.
- Respect the island's natural environment; it's part of the Northern Mariana Islands' protected areas and has nesting seabirds.
Best Time to Visit Alamagan #
Best visited in the dry season for safer sea travel; always plan for sudden weather changes and limited facilities.
Weather & Climate near Alamagan #
Tropical climate with consistently warm temperatures year-round. Temperatures range from 21°C to 30°C. Abundant rainfall (1811 mm/year), wettest in September.
January
January is warm with highs of 27°C and lows of 22°C. Significant rainfall (107 mm) and breezy conditions.
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February
February is mild with highs of 26°C and lows of 21°C. Moderate rainfall (77 mm) and breezy conditions.
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March
March is warm with highs of 27°C and lows of 22°C. Moderate rainfall (71 mm) and breezy conditions.
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April
April is warm with highs of 28°C and lows of 23°C. Regular rainfall (85 mm) and breezy conditions.
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May
May is warm with highs of 29°C and lows of 24°C. Regular rainfall (93 mm).
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June
June is the warmest month with highs of 30°C and lows of 25°C. Significant rainfall (105 mm).
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July
July is warm with highs of 30°C and lows of 25°C. Heavy rain (221 mm).
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August
August is warm with highs of 30°C and lows of 25°C. Heavy rain (263 mm).
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September
September is warm with highs of 30°C and lows of 25°C. The wettest month with heavy rain (278 mm).
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October
October is warm with highs of 29°C and lows of 24°C. Heavy rain (232 mm).
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November
November is warm with highs of 28°C and lows of 24°C. Significant rainfall (157 mm).
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December
December is warm with highs of 27°C and lows of 23°C. Significant rainfall (122 mm) and breezy conditions.