Saipan weather in January
January in Saipan: warm, rainy, with clean air — a great time to visit.
#7 of 12 months in Saipan · #205 of 604 destinations to visit in January · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Saipan climate normals — January
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 24°C / 76°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 91 mm / 3.6 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 10 h/day | |
| Daylight | 11.3 h | |
| Wind | 35 km/h / 22 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Saipan?
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Saipan in January — FAQ
- Is January a good time to visit Saipan?
- January in Saipan: warm, rainy, with clean air — a great time to visit. It ranks #7 of 12 months for Saipan on SeasonMap's comfort score (78/100).
- What is the weather like in Saipan in January?
- In January, Saipan averages a daily high of 26.5°C and a low of 24.4°C, with about 91.1 mm of rain over roughly 14.4 rainy days.
- What is the air quality in Saipan in January?
- Saipan has a mean US Air Quality Index of about 41 in January.