Asuncion Island
Island Northern Mariana volcanic island, rarely inhabited
Rising from the Northern Marianas chain, Asuncion is a volcanic, largely uninhabited island reached by private boats; visitors come for diving, seabird colonies and remote snorkeling around volcanic reefs.
How to Get to Asuncion Island #
Asuncion is accessible only by private boat; charter vessels capable of open-ocean crossings operate from Saipan or Tinian. Because the island is uninhabited and often protected, visitors should obtain permission from the Commonwealth of the Northern Mariana Islands Division of Fish and Wildlife before travel and plan for self-sufficiency-there are no facilities or mooring buoys.
Tips for Visiting Asuncion Island #
- Arrange landing permission-Asuncion is uninhabited and entry is managed by the Northern Mariana Islands authorities
- Bring full self-sufficiency (water, food, shelter) and a reliable, shallow-draft vessel because there are no docks
- Respect wildlife and nesting seabirds-Asuncion is a critical habitat and occasional access is restricted
Best Time to Visit Asuncion Island #
Best visited during the dry season (Dec-May) when seas are calmer and access is safer; avoid typhoon season.
Weather & Climate near Asuncion Island #
Tropical climate with consistently warm temperatures year-round. Temperatures range from 20°C to 30°C. Abundant rainfall (1570 mm/year), wettest in August.
January
January is mild with highs of 25°C and lows of 21°C. Regular rainfall (95 mm) and breezy conditions.
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February
February is mild with highs of 25°C and lows of 20°C. Moderate rainfall (68 mm) and breezy conditions.
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March
March is mild with highs of 26°C and lows of 21°C. Moderate rainfall (63 mm).
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April
April is warm with highs of 27°C and lows of 23°C. Regular rainfall (81 mm).
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May
May is warm with highs of 28°C and lows of 24°C. Regular rainfall (90 mm).
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June
June is warm with highs of 30°C and lows of 25°C. Regular rainfall (88 mm).
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July
July is the warmest month with highs of 30°C and lows of 25°C. Significant rainfall (190 mm).
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August
August is warm with highs of 30°C and lows of 25°C. The wettest month with heavy rain (225 mm).
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September
September is warm with highs of 30°C and lows of 25°C. Heavy rain (221 mm).
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October
October is warm with highs of 29°C and lows of 25°C. Significant rainfall (197 mm).
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November
November is warm with highs of 28°C and lows of 24°C. Significant rainfall (139 mm).
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December
December is warm with highs of 26°C and lows of 22°C. Significant rainfall (113 mm).
