Saipan weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Good
Best time to visit: December – May
What is the weather like in Saipan in January?
In January, Saipan is hot: daytime highs average 28 °C, and even at night it stays warm at around 26 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 14 days, totalling 69 mm. The air is often humid and muggy. It is often windy, with gusts of around 34 km/h. All in all, January is a good month for a holiday in Saipan.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 61 | 69 | 73 |
| Day | 28° | 28° | 28° |
| Night | 26° | 26° | 25° |
| Sea | 29° | 28° | 28° |
| Sun | 8 h | 7 h | 7 h |
| Rain days | 16 | 14 | 13 |
More details for January
- Daylight
- 11 h 19 min06:46 – 18:05
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 34 km/haverage daily peakAll months
- Cloud cover
- 49 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+10Pacific/Saipan
How the score comes together
- Temperatureweight 50 %91 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 30 %29 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Saipan in January: quick answers
Is Saipan hot in January?
Yes. In January, Saipan is hot: daytime highs average 28 °C and nights stay around 26 °C.
Can you swim in Saipan in January?
Yes. In January the sea averages 28.0 °C – lovely and warm for swimming.
Does it rain much in Saipan in January?
It rains often – on about 14 days, adding up to 69 mm.
Saipan month by month
The whole year in SaipanAll destinations: Northern Mariana IslandsWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences