Tinian weather by month & the best time to visit
Northern Mariana Islands · beach resort · tropical — wet & dry seasons climate
The best time to visit Tinian is March — its sunniest month (Sunshine Score 91/100), with February and April close behind. Tinian averages about 2,958 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 32 mm of rain in March.
When is the best time to visit Tinian?
For sunshine, the best time to visit Tinian is March, then February and April. The dullest month is July (69/100, 154 mm of rain). The full month-by-month picture is in the table below.
How sunny is Tinian?
Tinian gets a lot of sun: around 2,958 hours a year. March (91/100) is noticeably better than July (69). It ranks #2 of 3 destinations in Northern Mariana Islands for annual sunshine, right at the national median of 2,958 hours. Rain has a clear season: the wettest stretch, around September, carries about 56% of the annual 1,407 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 85 | 27° / 81°F | 26° / 79°F | 65 mm | 9 | 28° / 82°F |
| February | 90 | 27° / 81°F | 26° / 79°F | 38 mm | 10 | 27° / 81°F |
| March | 91 | 27° / 81°F | 26° / 79°F | 32 mm | 12 | 28° / 82°F |
| April | 88 | 28° / 82°F | 27° / 81°F | 45 mm | 12 | 28° / 82°F |
| May | 88 | 28° / 82°F | 27° / 81°F | 47 mm | 12 | 29° / 84°F |
| June | 83 | 29° / 84°F | 28° / 82°F | 74 mm | 12 | 30° / 86°F |
| July | 69 | 29° / 84°F | 28° / 82°F | 154 mm | 11 | 30° / 86°F |
| August | 69 | 28° / 82°F | 28° / 82°F | 302 mm | 11 | 31° / 88°F |
| September | 69 | 28° / 82°F | 28° / 82°F | 262 mm | 11 | 30° / 86°F |
| October | 69 | 28° / 82°F | 28° / 82°F | 226 mm | 10 | 30° / 86°F |
| November | 78 | 28° / 82°F | 28° / 82°F | 103 mm | 9 | 29° / 84°F |
| December | 86 | 28° / 82°F | 27° / 81°F | 59 mm | 8 | 29° / 84°F |
Sea temperature in Tinian by month
The sea off Tinian is warmest in August at around 31°C / 88°F, and coolest in February at 27°C / 81°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
Tinian: questions and answers
What kind of destination is Tinian?
Tinian is a beach resort in Northern Mariana Islands with a tropical — wet & dry seasons climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Tinian get a year?
Tinian gets about 2,958 hours of sunshine a year, at its best around March.
When is the best time to visit Tinian?
The sunniest time to visit Tinian is March, when the Sunshine Score peaks at 91/100 (with February and April close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Tinian?
July is the least sunny month in Tinian, scoring 69/100 with about 154 mm of rain.
What is the sea temperature in Tinian?
The sea in Tinian ranges from about 27°C (February) to 31°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Tinian?
The typical midday UV index in Tinian peaks around 12 (extreme) in March, easing to about 8 (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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