Saipan weather in December
December in Saipan: warm, a little rain, with clean air — a great time to visit.
#6 of 12 months in Saipan · #175 of 604 destinations to visit in December · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Saipan climate normals — December
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 70 mm / 2.7 in | 🌦 some rain |
| Rainy days | 16 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.2 h | |
| Wind | 35 km/h / 22 mph | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Saipan in December — FAQ
- Is December a good time to visit Saipan?
- December in Saipan: warm, a little rain, with clean air — a great time to visit. It ranks #6 of 12 months for Saipan on SeasonMap's comfort score (79/100).
- What is the weather like in Saipan in December?
- In December, Saipan averages a daily high of 27.2°C and a low of 25.1°C, with about 69.6 mm of rain over roughly 16 rainy days.
- What is the air quality in Saipan in December?
- Saipan has a mean US Air Quality Index of about 34 in December.