Marshall Islands

Marshall Islands Weather & Climate: Monthly Averages

Monthly climate averages for Marshall Islands, temperatures, rainfall and the best time to visit.

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Majuro Arno Atoll Kwajalein

Climate overview of Marshall Islands

The Marshall Islands have a maritime tropical climate characterized by high temperatures and humidity levels throughout the year, with little seasonal temperature change. The lagoon waters have a comfortable temperature of 26°C (79°F) year-round. The region is known for its mild winds and occasional tropical showers. The islands are hot and humid, with the driest period occurring between December and April.

The average high temperature ranges from 30°C (86°F) to 32°C (90°F). The lowest temperature ever recorded in the Marshall Islands was 22°C (72°F).

Rainfall averages about 300 mm (12 in) and 380 mm (15 in) per month, with October and November being the wettest months. The average monthly rainfall increases from north to south, with the northern atolls receiving an average of 1780 mm (70 in) annually, compared to 4320 mm (170 in) in the southern atolls.

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Majuro Arno Atoll Kwajalein

Day temperature (°C)

Monthly rainfall (mm)

Monthly sunshine (hours)

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Climate map

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)

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Average daytime and nighttime temperatures, yearly rainfall and sunshine.


Majuro	29°C (84°F) – 29°C (84°F)	26°C (79°F) – 26°C (79°F)	3371 mm (133 in)	2,611 hours
Arno Atoll	29°C (84°F) – 29°C (84°F)	26°C (79°F) – 26°C (79°F)	3366 mm (133 in)	2,611 hours
Kwajalein	29°C (84°F) – 29°C (84°F)	26°C (79°F) – 27°C (81°F)	2601 mm (102 in)	—

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FAQ

What is the best time to visit Marshall Islands?

The warmest month in Arno Atoll is September, with daytime highs of 29°C (84°F). Majuro is the sunniest destination, with 253 hours of sunshine in March. Explore Marshall Islands weather by month for a detailed breakdown.

What temperatures can I expect in Marshall Islands?

Arno Atoll is the warmest destination, reaching 29°C (84°F) in September with nights around 26°C (79°F). Kwajalein is the coolest, with February daytime highs of just 29°C (84°F) and nights dropping to 26°C (79°F). Temperatures are relatively stable throughout the year. See the city comparison for a full overview.

How much rain does Marshall Islands get?

Rainfall varies across Marshall Islands. Majuro is the wettest, receiving 3371 mm (133 in) per year, with October the wettest month at 328 mm (13 in). Kwajalein is the driest at 2601 mm (102 in) per year. Use the climate map to explore rainfall patterns across regions.

How sunny is Marshall Islands?

Majuro is the sunniest destination in Marshall Islands, enjoying 2,611 hours of sunshine per year, with March the brightest month at 253 hours. Overall, Marshall Islands enjoys abundant sunshine year-round. Compare sunshine across cities in the charts above.

What is the climate like across Marshall Islands?

Majuro has warm summers reaching 29°C (84°F) in September and warm winters dropping to 29°C (84°F), with 2,611 hours of sunshine and 3371 mm (133 in) of rain per year. Arno Atoll has warm summers reaching 29°C (84°F) in September and warm winters dropping to 29°C (84°F), with 2,611 hours of sunshine and 3366 mm (133 in) of rain per year. Kwajalein has warm summers reaching 29°C (84°F) in June and warm winters dropping to 29°C (84°F), with 0 hours of sunshine and 2601 mm (102 in) of rain per year. Explore the climate charts and comparison table for more cities.