Northern Mariana Islands weather in May 2025

Expect 86°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Northern Mariana Islands in May. Check more long-term weather averages for Northern Mariana Islands in May before you book your next holiday to Northern Mariana Islands in 2025/2026.

  • 86°F maximum daytime temperature in May in Northern Mariana Islands (Saipan)86
    86°F max day temperature
  • 7 hours of sunshine per day
  • 20 days with some rainfall in May in Northern Mariana Islands (Saipan)20
    20 days with some rainfall
  • 77°F minimum night-time temperature in May in Northern Mariana Islands (Saipan)77
    77°F min night temperature
  • 13 hours of daylight per day in May in Northern Mariana Islands (Saipan)13
    13 hours of daylight per day
  • High heat & humidity in May in Northern Mariana Islands (Saipan)H
    High heat & humidity
  • 3.7 inches monthly rainfall in May in Northern Mariana Islands (Saipan)3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Northern Mariana Islands (Saipan)11
    11+ (Extreme) UV index
  • 82°F sea temperature in May in Northern Mariana Islands (Saipan)82
    82°F sea temperature

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The May 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 May. Select a holiday destination to see more weather parameters.

All Northern Mariana Islands destinations

Metric (°C)  |  Imperial (°F)

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

Daytime temperatures usually reach 86°F in Saipan, Northern Mariana Islands in May with high heat and humidity, falling to 77°F at night.

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

There are normally 7 hours of bright sunshine each day in Saipan, Northern Mariana Islands in May - that's 55% of daylight hours.

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

The average sea temperature around Saipan, Northern Mariana Islands in May is 82°F.

Does it rain in the Northern Mariana Islands in May?

There are usually 20 days with some rain in Saipan, Northern Mariana Islands in May and the average monthly rainfall is 3.7 inches.

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

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

Northern Mariana Islands May sunrise & sunset times

Browse the sunrise and sunset times for Northern Mariana Islands in May 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
Thursday, 1st May 2025 05:54 18:35
Friday, 16th May 2025 05:48 18:39
Saturday, 31st May 2025 05:46 18:44

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