Arno Atoll Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Arno Atoll.

Climate overview of Arno Atoll

Arno Atoll, in the Marshall Islands, experiences a tropical rainforest climate with consistently warm temperatures year-round. The atoll receives substantial rainfall throughout the year, with slightly higher precipitation typically occurring from June to December.

This remote atoll attracts tourists with many lagoons and traditional Marshallese island culture. It's also known for excellent opportunities for fishing and diving in crystal-clear waters far from tourist crowds. Let's now guide you through the climate details for a complete overview on the best time to visit.

Arno Atoll Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Arno Atoll — and find the best time to visit.

Monthly Temperature in Arno Atoll

The climate in Arno Atoll remains fairly constant, offering comfortable temperatures throughout the year. Average daytime temperatures reach a comfortable 29°C (84°F) in September. In July, the coolest month of the year, temperatures drop to a comfortable 29°C (84°F).

At night, temperatures range from around 26°C (79°F) in September to 26°C (79°F) in July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Arno Atoll

Arno Atoll is known for its substantial rainfall, with annual precipitation reaching 3366 mm (133 in). Arno Atoll experiences moderate seasonal variation in rainfall, with monthly averages ranging from 328 mm (13 in) in October, the wettest month, and 200 mm (7.9 in) in March, the driest month. For more details, please visit our Arno Atoll Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Arno Atoll

Arno Atoll experiences moderate variation in sunshine hours across the seasons. With 8.4 hours daily sunshine in March, it dips to 6.4 hours in November, offering a balanced mix of sunny and overcast days.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Majuro, Marshall Islands (28 KM, 17 Miles).

Daily hours of sunshine

Data from: Majuro, Marshall Islands (28 KM, 17 Miles).

Humidity in Arno Atoll by Month

Best Time to Visit Arno Atoll

The weather in Arno Atoll is characterized by year-round heavy rainfall, with no month offering relief from the wet conditions. All months exceed 160 mm (6.3 in) of precipitation, creating a consistently humid environment. If forced to choose, March offers the lowest rainfall at 200 mm (7.9 in).

Embrace the wet climate by bringing proper rain gear and plan activities that are indoor.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in Arno Atoll

What is the best time to visit Arno Atoll?

January, February, March and April typically offer the most optimal weather in Arno Atoll. In contrast, May, June, July, August, September, October, November and December tend to have less optimal conditions.

What temperatures can I expect in Arno Atoll?

Daytime highs range from 29°C (84°F) in July to 29°C (84°F) in September. Nighttime lows range from 26°C (79°F) to 26°C (79°F). Temperatures stay relatively stable year-round.

How much rain does Arno Atoll get?

Annual rainfall is around 3366 mm (133 in). October is the wettest month with 328 mm (13 in), while March is the driest with 200 mm (7.9 in).

How sunny is Arno Atoll?

Arno Atoll receives around 2,611 hours of sunshine per year. March is the sunniest month with 253 hours, while November is the cloudiest with just 191 hours. Overall, Arno Atoll enjoys abundant sunshine.

Arno Atoll 3-Day Forecast

Arno Atoll 3-Day Forecast

Arno Atoll on the map

Arno Atoll is highlighted — select any city to see its climate.

Popular this month

Where to go in June — average daytime high across popular destinations.