Northern Mariana Islands weather in January 2025

Expect 29°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Northern Mariana Islands in January. Check more long-term weather averages for Northern Mariana Islands in January before you book your next holiday to Northern Mariana Islands in 2025/2026.

  • 29°C maximum daytime temperature in January in Northern Mariana Islands (Saipan)29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 23 days with some rainfall in January in Northern Mariana Islands (Saipan)23
    23 days with some rainfall
  • 24°C minimum night-time temperature in January in Northern Mariana Islands (Saipan)24
    24°C min night temperature
  • 11 hours of daylight per day in January in Northern Mariana Islands (Saipan)11
    11 hours of daylight per day
  • Moderate heat & humidity in January in Northern Mariana Islands (Saipan)M
    Moderate heat & humidity
  • 108 mm monthly rainfall in January in Northern Mariana Islands (Saipan)108
    108 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in January in Northern Mariana Islands (Saipan)10
    10 (Very High) UV index
  • 27°C sea temperature in January in Northern Mariana Islands (Saipan)27
    27°C sea temperature

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The January weather guide for Northern Mariana Islands (Saipan) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Northern Mariana Islands destinations

Below are average maximum temperatures at popular countries, regions and places in the Northern Mariana Islands in January. Select a holiday destination to see more weather parameters.

All Northern Mariana Islands destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in the Northern Mariana Islands in January?

Daytime temperatures usually reach 29°C in Saipan, Northern Mariana Islands in January with moderate heat and humidity, falling to 24°C at night.

How sunny is it in the Northern Mariana Islands in January?

There are normally 6 hours of bright sunshine each day in Saipan, Northern Mariana Islands in January - that's 49% of daylight hours.

How warm is the sea around the Northern Mariana Islands in January?

The average sea temperature around Saipan, Northern Mariana Islands in January is 27°C.

Does it rain in the Northern Mariana Islands in January?

There are usually 23 days with some rain in Saipan, Northern Mariana Islands in January and the average monthly rainfall is 108mm.

What is the chance of a typhoon in the Northern Mariana Islands in January?

On average less than 1 day in January in Saipan, Northern Mariana Islands is likely to be affected by the passage of one or more tropical storms.

Northern Mariana Islands January sunrise & sunset times

Browse the sunrise and sunset times for Northern Mariana Islands in January 2025. Select a month to view Northern Mariana Islands sunrise and sunset times for the next 12 months. The Northern Mariana Islands sunrise and sunset times shown below are for Saipan.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 06:43 17:58
Thursday, 16th January 2025 06:47 18:07
Friday, 31st January 2025 06:46 18:15

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