Northern Mariana Islands weather in July 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Northern Mariana Islands in July based on long-term weather averages. There is usually 19 days with some rainfall and 229 mm of average monthly rainfall in July.

  • 31°C maximum daytime temperature in July in Northern Mariana Islands (Saipan)31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in July in Northern Mariana Islands (Saipan)19
    19 days with some rainfall
  • 25°C minimum night-time temperature in July in Northern Mariana Islands (Saipan)25
    25°C min night temperature
  • 13 hours of daylight per day in July in Northern Mariana Islands (Saipan)13
    13 hours of daylight per day
  • Very high heat & humidity in July in Northern Mariana Islands (Saipan)VH
    Very High heat & humidity
  • 229 mm monthly rainfall in July in Northern Mariana Islands (Saipan)229
    229 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Northern Mariana Islands (Saipan)11
    11+ (Extreme) UV index
  • 29°C sea temperature in July in Northern Mariana Islands (Saipan)29
    29°C sea temperature

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The July 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 July. 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 July?

Daytime temperatures usually reach 31°C in Saipan, Northern Mariana Islands in July with very high heat and humidity, falling to 25°C at night.

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

There are normally 6 hours of bright sunshine each day in Saipan, Northern Mariana Islands in July - that's 44% of daylight hours.

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

The average sea temperature around Saipan, Northern Mariana Islands in July is 29°C.

Does it rain in the Northern Mariana Islands in July?

There are usually 19 days with some rain in Saipan, Northern Mariana Islands in July and the average monthly rainfall is 229mm.

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

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

Northern Mariana Islands July sunrise & sunset times

Browse the sunrise and sunset times for Northern Mariana Islands in July 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
Tuesday, 1st July 2025 05:50 18:51
Wednesday, 16th July 2025 05:55 18:51
Thursday, 31st July 2025 05:59 18:47

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