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.

Best time to visit the Northern Mariana Islands

Q: When is the best time to visit the Northern Mariana Islands?

The best time to visit the Northern Mariana Islands (Saipan) is March based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Q: 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.

Q: 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.

Q: 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.

Find the best time to visit the Northern Mariana Islands and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Northern Mariana Islands by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Top Northern Mariana Islands destinations

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

All Northern Mariana Islands destinations

When is the best time to visit Northern Mariana Islands?

The best time to visit Northern Mariana Islands (Saipan) is March based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

3.5
Jan
3.5
Feb
4
Mar
3.5
Apr
3.5
May
3
Jun
2.5
Jul
2
Aug
2
Sep
2
Oct
2.5
Nov
2.5
Dec

Change criteria

Max Day Temperature (°C)

29
Jan
29
Feb
29
Mar
30
Apr
30
May
31
Jun
31
Jul
31
Aug
31
Sep
31
Oct
30
Nov
30
Dec

Hours of Sunshine (daily)

6
Jan
6
Feb
7
Mar
7
Apr
7
May
7
Jun
6
Jul
5
Aug
5
Sep
5
Oct
5
Nov
5
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Northern Mariana Islands (Saipan) 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.

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

More about the Northern Mariana Islands

Explore our complete guide to the Northern Mariana Islands with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for the Northern Mariana Islands.

Essential travel guide
Travel guidance
Travel health
Travel features
Top travel deals
FAQs

Northern Mariana Islands travel guide - essential info

Below is a beginner's guide to the Northern Mariana Islands with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.

Northern Mariana Islands - quick facts
Time difference	UK +10 hours
Language(s)	English, Chamorro
Currency	United States Dollar
Electricity	A + B plug (120V)
Driving side	Right

Why visit the Northern Mariana Islands?

Considering a holiday to the the Northern Mariana Islands? Here are some of the very good reasons it makes such a wonderful holiday destination such as for its beaches to ensure you get the most out of your 2025/2026 escape.

Beaches

Northern Mariana Islands tourist information

Marianas Visitors Authority

Travelling to the Northern Mariana Islands?
Hotels Car hire eSIMs

Northern Mariana Islands travel guidance

Check the latest travel guidance and advice on visiting the Northern Mariana Islands from official government sources (in english) from around the world including entry requirements and travel restrictions.

Canadian travel advice for the Northern Mariana Islands - Government of Canada
Safe travel advisories for the Northern Mariana Islands - Ministry of Foreign Affairs, New Zealand

Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around the Northern Mariana Islands.

Note: UK FCDO - UK Foreign, Commonwealth & Development Office

Northern Mariana Islands travel health

Find out more about staying safe when travelling to the Northern Mariana Islands with the latest guidance on required vaccinations and recommended medication to take with you.

Vaccines & medicines for the Northern Mariana Islands - CDC
Health & vaccinations for the Northern Mariana Islands - TravelHealthPro, NaTHNac
How to stay safe & healthy in the Northern Mariana Islands - Fit for Travel, Public Health Scotland

Check out the general travel tips for staying safe and healthy in the Northern Mariana Islands, risks of preventable diseases and what to pack.

Note: CDC - Centers for Disease Control and Prevention

Northern Mariana Islands travel features

Do you want to learn more about the Northern Mariana Islands? Read our latest features covering travel tips and insider destination guides on where to go and what to do in the Northern Mariana Islands.

We don't currently have any travel features on the Northern Mariana Islands. Discover more about holiday destinations around the world with this selection of general travel articles.

Northern Mariana Islands FAQs

Read our frequently asked questions about travelling to the Northern Mariana Islands including the current entry restrictions, driving side, electrical plugs used and much more.

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

In terms of rainfall, January is usually the wettest month in Saipan, Northern Mariana Islands with 0mm on average. There are normally no days in January with some rain.

When is it sunniest in the Northern Mariana Islands?

The sunniest time of year in Saipan, Northern Mariana Islands is normally January with bright sunshine on average for 0% of daylight hours; that's 0 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 January when the water temperature reaches 0°C.

What is the time difference between the Northern Mariana Islands and the UK?

The time difference between the Northern Mariana Islands and the UK is UK time+10 hours.

What is the main language spoken in the Northern Mariana Islands?

The main languages spoken in the Northern Mariana Islands are English and Chamorro.

Learn a language for the Northern Mariana Islands with Rosetta Stone^*, Busuu^* and Rocket Languages^*.

What is the currency in the Northern Mariana Islands?

The currency in the Northern Mariana Islands is the United States Dollar (USD).

Which plugs are used in the Northern Mariana Islands?

Northern Mariana Islands uses electrical plug type A + B (120 Volts).

Which side of the road do they drive on in the Northern Mariana Islands?

They drive on the right side of the road in the Northern Mariana Islands.

Northern Mariana Islands travel deals

Holidays to the Northern Mariana Islands

Expedia^*

Check out the latest deals, discount codes and special offers on holidays to the Northern Mariana Islands in 2025/2026. Pay low deposits and save with last minute holiday availability and free kids places.