Monthly weather forecast and climate
Saipan, Northern Mariana Islands, USA

Beautiful clear waters and white sandy beaches around the stunning Bird Island in Saipan, Northern Mariana Islands
Beautiful clear waters and white sandy beaches around the stunning Bird Island in Saipan, Northern Mariana Islands

How much does it rain in Saipan?

Throughout the year, in Saipan, Northern Mariana Islands, there are 244 rainfall days, and 83.4" (2118.2mm) of precipitation is accumulated.

What is the coldest month in Saipan?

February is the coldest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 72.9°F (22.7°C).

When is the sea coldest in Saipan?

Months with the coldest seawater are February and March, with an average sea temperature of 80.6°F (27°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the driest month in Saipan?

The month with the least rainfall is March when the rain falls for 20 days and typically collects 2.4" (61mm) of precipitation.

What is the warmest month in Saipan?

The warmest month in Saipan is June, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 75.4°F (24.1°C).

What months are the sea warmest in Saipan?

June through November, with an average sea temperature of 84.2°F (29°C), are months with the warmest seawater in Saipan, Northern Mariana Islands. For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the rainiest month in Saipan?

The month with the most rainfall in Saipan, Northern Mariana Islands, is August when the rain falls for 21 days and typically aggregates up to 12.4" (315.5mm) of precipitation.
Average temperature - Saipan, Northern Mariana Islands, USA
Average rainfall - Saipan, Northern Mariana Islands, USA

The wettest month (with the highest rainfall) is August (315.5mm).
The driest month (with the lowest rainfall) is March (61mm).

Average rainfall days - Saipan, Northern Mariana Islands, USA

Months with the highest number of rainy days are January and December (23 days).
The month with the lowest number of rainy days is June (17 days).

Average sea temperature - Saipan, Northern Mariana Islands, USA

Best months for swimming (with the highest average sea temperature) are June, July, August, September, October and November (29°C).
Coldest months (with the lowest average sea temperature) are February and March (27°C).

Average daylight / Average sunshine - Saipan, Northern Mariana Islands, USA

The month with the longest days is June (Average daylight: 13h).
The month with shortest days is December (Average daylight: 11.2h).

Months with most sunshine are March, April, May and June (Average sunshine: 7h).
Months with least sunshine are August, September, October, November and December (Average sunshine: 5).

Average UV index - Saipan, Northern Mariana Islands, USA

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are November and December (UV index 9).

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