Sunshine Atlas

Rongelap weather by month & the best time to visit

Marshall Islands · beach resort · tropical — wet & dry seasons climate

The best time to visit Rongelap is January — its sunniest month (Sunshine Score 92/100), with February and March close behind. Rongelap averages about 3,036 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 27 mm of rain in January.

When is the best time to visit Rongelap?

For sunshine, the best time to visit Rongelap is January, then February and March. The dullest month is September (70/100, 146 mm of rain). The full month-by-month picture is in the table below.

How sunny is Rongelap?

Rongelap is one of the sunniest places on Earth: about 3,036 hours of sunshine a year. January (92/100) is noticeably better than September (70). It ranks #2 of 16 destinations in Marshall Islands for annual sunshine, above the national median of 2,673 hours. Rain has a clear season: the wettest stretch, around September, carries about 44% of the annual 1,030 mm.

Sunshine Score by month

January: 9292February: 92March: 90April: 85May: 84June: 84July: 76August: 72September: 70October: 70November: 75December: 89JFMAMJJASOND
MonthScoreDay highNight lowRainUVSea
January92 27° / 81°F27° / 81°F 27 mm1028° / 82°F
February92 27° / 81°F27° / 81°F 26 mm1228° / 82°F
March90 27° / 81°F27° / 81°F 41 mm1328° / 82°F
April85 28° / 82°F27° / 81°F 66 mm1228° / 82°F
May84 28° / 82°F28° / 82°F 69 mm1229° / 84°F
June84 28° / 82°F28° / 82°F 72 mm1129° / 84°F
July76 28° / 82°F28° / 82°F 113 mm1229° / 84°F
August72 28° / 82°F28° / 82°F 139 mm1229° / 84°F
September70 29° / 84°F28° / 82°F 146 mm1230° / 86°F
October70 29° / 84°F28° / 82°F 167 mm1130° / 86°F
November75 29° / 84°F28° / 82°F 119 mm1029° / 84°F
December89 28° / 82°F28° / 82°F 45 mm929° / 84°F

Sea temperature in Rongelap by month

The sea off Rongelap is warmest in September at around 30°C / 86°F, and coolest in January at 28°C / 82°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.

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Rongelap: questions and answers

What kind of destination is Rongelap?

Rongelap is a beach resort in Marshall Islands with a tropical — wet & dry seasons climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) year-round.

How many hours of sunshine does Rongelap get a year?

Rongelap gets about 3,036 hours of sunshine a year, at its best around January.

When is the best time to visit Rongelap?

The sunniest time to visit Rongelap is January, when the Sunshine Score peaks at 92/100 (with February and March close behind). Expect daytime highs around 27°C / 81°F.

What is the least sunny month in Rongelap?

September is the least sunny month in Rongelap, scoring 70/100 with about 146 mm of rain.

What is the sea temperature in Rongelap?

The sea in Rongelap ranges from about 28°C (January) to 30°C (September). Month-by-month sea temperatures are on this page.

How strong is the sun in Rongelap?

The typical midday UV index in Rongelap peaks around 13 (extreme) in March, easing to about 9 (very high) in December. Month-by-month midday UV values are in the UV column of the table on this page.

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