Weather & climate · Saipan
Best Time to Visit Northern Mariana Islands
December to May
The best time to visit the Northern Mariana Islands is December to May, when daytime highs in Saipan are around 27–29°C. June and November are also a good time to go. June is the warmest month (29°C by day), February the coldest (27°C at night), and August the wettest with about 302 mm of rain.
29°C
Warmest: June
27°C
Coldest nights: February
1407 mm
Rain per year
302 mm
Wettest: August
Northern Mariana Islands weather by month
- Jan28°C27°C65 mm
- Feb27°C27°C38 mm
- Mar28°C27°C32 mm
- Apr28°C27°C45 mm
- May29°C28°C47 mm
- Jun29°C28°C74 mm
- Jul29°C28°C154 mm
- Aug29°C28°C302 mm
- Sep29°C28°C262 mm
- Oct29°C28°C226 mm
- Nov29°C28°C103 mm
- Dec28°C28°C59 mm
Best time Good Less ideal
| Month | High | Low | Rain | Humidity | Cloud cover | Verdict |
|---|---|---|---|---|---|---|
| January | 28°C | 27°C | 65 mm | 77% | 61% | Best time |
| February | 27°C | 27°C | 38 mm | 77% | 59% | Best time |
| March | 28°C | 27°C | 32 mm | 77% | 51% | Best time |
| April | 28°C | 27°C | 45 mm | 79% | 44% | Best time |
| May | 29°C | 28°C | 47 mm | 79% | 44% | Best time |
| June | 29°C | 28°C | 74 mm | 80% | 49% | Good |
| July | 29°C | 28°C | 154 mm | 82% | 71% | Rainy |
| August | 29°C | 28°C | 302 mm | 82% | 84% | Rainy |
| September | 29°C | 28°C | 262 mm | 82% | 81% | Rainy |
| October | 29°C | 28°C | 226 mm | 82% | 67% | Rainy |
| November | 29°C | 28°C | 103 mm | 80% | 47% | Good |
| December | 28°C | 28°C | 59 mm | 78% | 48% | Best time |
Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Saipan (15.2, 145.75). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in the Northern Mariana Islands have their own climate.
Frequently asked questions
When is the best time to visit the Northern Mariana Islands?
December to May. The best time to visit the Northern Mariana Islands is December to May, when daytime highs in Saipan are around 27–29°C. June and November are also a good time to go. June is the warmest month (29°C by day), February the coldest (27°C at night), and August the wettest with about 302 mm of rain.
What is the hottest month in the Northern Mariana Islands?
June, with average highs of 29°C in Saipan.
What is the coldest month in the Northern Mariana Islands?
February, when nights drop to about 27°C and days reach 27°C.
What is the rainiest month in the Northern Mariana Islands?
August with about 302 mm; March is the driest (32 mm).
When should I avoid visiting the Northern Mariana Islands?
August is the least comfortable month on average: 29°C by day and 302 mm of rain.