Saipan weather by month & the best time to visit
Northern Mariana Islands · beach resort · tropical — wet & dry seasons climate
The best time to visit Saipan is March — its sunniest month (Sunshine Score 91/100), with February and April close behind. Saipan 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 Saipan?
For sunshine, the best time to visit Saipan 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 Saipan?
Saipan gets a lot of sun: around 2,958 hours a year. March (91/100) is noticeably better than July (69). Saipan is the sunniest of the 3 destinations tracked in Northern Mariana Islands. 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 | 28° / 82°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 | 29° / 84°F | 28° / 82°F | 302 mm | 11 | 30° / 86°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 Saipan by month
The sea off Saipan is warmest in June at around 30°C / 86°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
Head-to-head
How Saipan compares month by month: Saipan vs Jayapura · Saipan vs Manokwari · Saipan vs Hagåtña · all comparisons
Saipan: questions and answers
What kind of destination is Saipan?
Saipan is a beach resort in Northern Mariana 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 Saipan get a year?
Saipan gets about 2,958 hours of sunshine a year, at its best around March.
When is the best time to visit Saipan?
The sunniest time to visit Saipan 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 Saipan?
July is the least sunny month in Saipan, scoring 69/100 with about 154 mm of rain.
Is Saipan the sunniest place in Northern Mariana Islands?
Yes — with about 2,958 hours of sunshine a year, Saipan has the most annual sunshine of the 3 Northern Mariana Islands destinations tracked by Sunshine Atlas.
What is the sea temperature in Saipan?
The sea in Saipan ranges from about 27°C (February) to 30°C (June). Month-by-month sea temperatures are on this page.
How strong is the sun in Saipan?
The typical midday UV index in Saipan 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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