Frost Dates for SAIPAN MARSHALL ISLANDS, Northern Mariana Islands

Elevation: 10 m

Frost Dates

This location never reaches freezing temperatures, so you can plant year-round!

In tropical and subtropical climates, the main challenge isn’t frost — it’s heat and humidity. Learn more about gardening in tropical climates.

15.12°N, 145.70°E © OpenStreetMap

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 13a

Avg. annual minimum: 16 to 18°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Af Tropical Rainforest

Hot and wet year-round with no dry season. Ideal for tropical crops like bananas, mangoes, and cocoa. Gardening is possible all year, but high humidity can increase disease pressure.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January28°26°25°
February27°26°25°
March28°27°25°
April29°27°26°
May29°28°26°
June29°28°27°
July29°28°26°
August29°27°26°
September29°27°26°
October29°27°26°
November29°27°26°
December28°27°26°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January74
February51
March28
April58
May76
June119
July218
August328
September292
October300
November135
December81

Sunrise / Sunset

Daylight Longest: 12h 54m · Shortest: 11h 06m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January6:24 AM5:36 PM11h 12m
February6:15 AM5:45 PM11h 31m
March6:03 AM5:57 PM11h 54m
April5:50 AM6:10 PM12h 21m
May5:39 AM6:21 PM12h 42m
June5:33 AM6:27 PM12h 53m
July5:36 AM6:24 PM12h 49m
August5:45 AM6:15 PM12h 30m
September5:58 AM6:02 PM12h 05m
October6:10 AM5:50 PM11h 39m
November6:22 AM5:38 PM11h 17m
December6:27 AM5:33 PM11h 06m

Nearby Stations

SAIPAN INTL AP, Northern Mariana Islands SAIPAN LORAN, Northern Mariana Islands SAIPAN #2, Northern Mariana Islands CAPITOL HILL 1, Northern Mariana Islands SAIPAN MARSHALL ISLA, Northern Mariana Islands ROTA AP, Northern Mariana Islands

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