Saipan weather in December 2025

Expect daytime maximum temperatures of 30°C in Saipan, Northern Mariana Islands in December and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 23 days with some rainfall and typically 121 mm of rainfall in the month.

  • 30°C maximum daytime temperature in December in Saipan30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 23 days with some rainfall in December in Saipan23
    23 days with some rainfall
  • 24°C minimum night-time temperature in December in Saipan24
    24°C min night temperature
  • 11 hours of daylight per day in December in Saipan11
    11 hours of daylight per day
  • High heat & humidity in December in SaipanH
    High heat & humidity
  • 121 mm monthly rainfall in December in Saipan121
    121 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in December in Saipan9
    9 (Very High) UV index
  • 28°C sea temperature in December in Saipan28
    28°C sea temperature

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The December 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.

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

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How hot is it in Saipan in December?

Daytime temperatures usually reach 30°C in Saipan in December with high heat and humidity, falling to 24°C at night.

How sunny is it in Saipan in December?

There are normally 5 hours of bright sunshine each day in Saipan in December - that's 42% of daylight hours.

How warm is the sea around Saipan in December?

The average sea temperature around Saipan in December is 28°C.

Does it rain in Saipan in December?

There are usually 23 days with some rain in Saipan in December and the average monthly rainfall is 121mm.

What is the chance of a typhoon in Saipan in December?

On average less than 1 day in December in Saipan is likely to be affected by the passage of one or more tropical storms.

Saipan December sunrise & sunset times

Browse the sunrise and sunset times for Saipan in December 2025. Select a month to view Saipan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:27 17:45
Tuesday, 16th December 2025 06:35 17:50
Wednesday, 31st December 2025 06:43 17:57

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