Rota weather by month & the best time to visit
Northern Mariana Islands · beach resort · tropical monsoon climate
The best time to visit Rota is March — its sunniest month (Sunshine Score 89/100), with February and April close behind. Rota averages about 2,950 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 39 mm of rain in March.
When is the best time to visit Rota?
For sunshine, the best time to visit Rota is March, then February and April. The dullest month is July (69/100, 195 mm of rain). The full month-by-month picture is in the table below.
How sunny is Rota?
Rota gets a lot of sun: around 2,950 hours a year. March (89/100) is noticeably better than July (69). It ranks #3 of 3 destinations in Northern Mariana Islands for annual sunshine, below the national median of 2,958 hours. Rain has a clear season: the wettest stretch, around September, carries about 53% of the annual 1,582 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 83 | 27° / 81°F | 26° / 79°F | 75 mm | 9 | 29° / 84°F |
| February | 88 | 26° / 79°F | 26° / 79°F | 46 mm | 11 | 28° / 82°F |
| March | 89 | 27° / 81°F | 26° / 79°F | 39 mm | 12 | 28° / 82°F |
| April | 88 | 27° / 81°F | 26° / 79°F | 45 mm | 13 | 28° / 82°F |
| May | 86 | 28° / 82°F | 27° / 81°F | 59 mm | 12 | 29° / 84°F |
| June | 80 | 28° / 82°F | 27° / 81°F | 92 mm | 12 | 30° / 86°F |
| July | 69 | 28° / 82°F | 27° / 81°F | 195 mm | 11 | 30° / 86°F |
| August | 69 | 28° / 82°F | 27° / 81°F | 327 mm | 11 | 30° / 86°F |
| September | 69 | 28° / 82°F | 27° / 81°F | 280 mm | 11 | 30° / 86°F |
| October | 69 | 28° / 82°F | 27° / 81°F | 234 mm | 10 | 30° / 86°F |
| November | 73 | 28° / 82°F | 27° / 81°F | 126 mm | 9 | 30° / 86°F |
| December | 85 | 27° / 81°F | 27° / 81°F | 64 mm | 9 | 29° / 84°F |
Sea temperature in Rota by month
The sea off Rota is warmest in June at around 30°C / 86°F, and coolest in February 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.
Nearest destinations
Rota: questions and answers
What kind of destination is Rota?
Rota is a beach resort in Northern Mariana Islands with a tropical monsoon climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Rota get a year?
Rota gets about 2,950 hours of sunshine a year, at its best around March.
When is the best time to visit Rota?
The sunniest time to visit Rota is March, when the Sunshine Score peaks at 89/100 (with February and April close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Rota?
July is the least sunny month in Rota, scoring 69/100 with about 195 mm of rain.
What is the sea temperature in Rota?
The sea in Rota ranges from about 28°C (February) to 30°C (June). Month-by-month sea temperatures are on this page.
How strong is the sun in Rota?
The typical midday UV index in Rota peaks around 13 (extreme) in April, easing to about 9 (very high) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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