Northern Mariana Islands weather

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Below are the temperatures expected today at popular destinations in the Northern Mariana Islands. Select a destination to compare today's forecast with average weather conditions.

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The weather guide for Northern Mariana Islands shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in the Northern Mariana Islands?

The hottest time of year in Saipan, Northern Mariana Islands is normally July. Expect maximum daytime temperatures to reach 31°C with very high heat and humidity.

Which month has the most rain in the Northern Mariana Islands?

In terms of rainfall, September is usually the wettest month in Saipan, Northern Mariana Islands with 325mm on average. There are normally 19 days in September with some rain.

When is it sunniest in the Northern Mariana Islands?

The sunniest time of year in Saipan, Northern Mariana Islands is normally March with bright sunshine on average for 57% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in the Northern Mariana Islands?

The sea is usually at its warmest in Saipan, Northern Mariana Islands in September when the water temperature reaches 29°C.

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

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Compare Northern Mariana Islands weather with the USA

Below the Northern Mariana Islands weather chart shows average maximum daytime temperature for Northern Mariana Islands (Saipan) and the USA (Washington).

Maximum daytime temperature (°C)

Northern Mariana Islands (Saipan)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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Tropical storm risk: Northern Mariana Islands typhoon season

% of month affected by tropical storms
1.1%
0
0
<1%
1%
1.2%
3.3%
6.5%
8.2%
7.7%
3.2%
1.7%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Northern Mariana Islands tropical storm risk chart above shows the typhoon season for Saipan, Northern Mariana Islands. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

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