Saipan Climate by Month
Saipan, Northern Mariana Islands
Hot all year, with rain spread through the year.
Saipan is hot all year, with rain spread through the year. Expect highs of 88°F (31°C) in June and 84°F (29°C) in February, with the coldest nights (February) near 74°F (24°C). It gets 87 in (2213 mm) of rain a year, spread across the months. The air is humid, averaging 81% relative humidity.
- Warmest month
- 88°F(31°C)
- Average high, June
- Coldest nights
- 74°F(24°C)
- Average low, February
- Rain per year
- 87 in(2213 mm)
- No clear rainy season
- Humidity
- 81%
- Sunniest: June
Best and worst months in Saipan
Best for weatherThe most comfortable weather comes in February and March, with highs around 85°F (29°C) and about 3.1 in (78 mm) of rain a month.
Least pleasantAugust and September are the least pleasant; September is the wettest, with 15 in (392 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Saipan weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 84°F(29°C) | 75°F(24°C) | 4.4 in(112 mm) | 78% | 4.3 |
| FebFebruaryBest | 84°F(29°C) | 74°F(24°C) | 2.7 in(68 mm) | 79% | 4.6 |
| MarMarchBest | 85°F(29°C) | 75°F(24°C) | 3.5 in(88 mm) | 77% | 4.9 |
| AprApril | 87°F(30°C) | 77°F(25°C) | 4.3 in(108 mm) | 79% | 5.1 |
| MayMay | 88°F(31°C) | 78°F(25°C) | 3.6 in(92 mm) | 79% | 5.3 |
| JunJune | 88°F(31°C) | 78°F(26°C) | 5.4 in(136 mm) | 79% | 5.4 |
| JulJuly | 88°F(31°C) | 78°F(25°C) | 9.9 in(252 mm) | 84% | 5.3 |
| AugAugust | 87°F(31°C) | 77°F(25°C) | 14 in(349 mm) | 85% | 5.1 |
| SepSeptember | 87°F(31°C) | 77°F(25°C) | 15 in(392 mm) | 83% | 5.0 |
| OctOctober | 87°F(30°C) | 77°F(25°C) | 13 in(341 mm) | 83% | 4.8 |
| NovNovember | 86°F(30°C) | 78°F(25°C) | 6.7 in(170 mm) | 83% | 4.5 |
| DecDecember | 85°F(30°C) | 76°F(25°C) | 4.1 in(105 mm) | 81% | 4.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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