August 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
August, the last month of the summer, in Saipan, is also a moderately hot month, with temperature in the range of an average low of 75.2°F (24°C) and an average high of 84°F (28.9°C).

Temperature

In Saipan, the average high-temperature remains equal as in July - a still warm 84°F (28.9°C). In August, the average low-temperature is 75.2°F (24°C).

Rainfall

August is the month with the most rainfall. Rain falls for 21 days and accumulates 12.42" (315.5mm) of precipitation.

Ocean temperature

June through November, with an average ocean temperature of 84.2°F (29°C), are months with the warmest seawater.
Note: 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.

Daylight

In Saipan, the average length of the day is 12.6h.

Sunshine

Months with the least sunshine are August through December, with an average of 5h of sunshine.

UV index

Months with the highest UV index in Saipan are February through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from unsafe exposure to the UV radiation for the average person.
Note: In August, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in August in Saipan?

In Saipan, Northern Mariana Islands, in August, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 75.2°F (24°C).

How much does it rain in Saipan in August?

In Saipan, Northern Mariana Islands, in August, it is raining for 21 days, with typically 12.42" (315.5mm) of accumulated precipitation.

What is the wettest 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 12.42" (315.5mm) of precipitation.

What months are the ocean warmest in Saipan?

June through November, with an average ocean temperature of 84.2°F (29°C), are months with the warmest seawater in Saipan, Northern Mariana Islands.

How warm is the water in August in Saipan?

In Saipan, Northern Mariana Islands, the average seawater temperature in August is 84.2°F (29°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in August in Saipan?

In Saipan, the average length of the day in August is 12.6h.

What is the month with the least sunshine in Saipan?

Months with the least sunshine are August through December, with an average of 5h of sunshine.

How long on average sun shines in August in Saipan?

In Saipan, the average sunshine in August is 5h.

When is the highest UV index in Saipan?

February through September, with an average maximum UV index of 12, are months with the highest UV index in Saipan, Northern Mariana Islands.

How high is the UV index in August in Saipan?

The average daily maximum UV index in August in Saipan, Northern Mariana Islands, is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in August - Saipan, Northern Mariana Islands, USA
  • Average high temperature in August: 84°F

The warmest month (with the highest average high temperature) is June (85°F).
The month with the lowest average high temperature is February (79.7°F).

  • Average low temperature in August: 75.2°F

The month with the highest average low temperature is May (75.5°F).
The coldest month (with the lowest average low temperature) is February (72.9°F).

Average rainfall in August - Saipan, Northern Mariana Islands, USA
  • Average rainfall in August: 12.4"

The wettest month (with the highest rainfall) is August (12.4").
The driest month (with the least rainfall) is March (2.4").

Average rainfall days in August - Saipan, Northern Mariana Islands, USA
  • Average rainfall days in August: 21 days

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

Average sea temperature in August - Saipan, Northern Mariana Islands, USA
  • Average sea temperature in August: 84°F

The best months for swimming (with the highest average sea temperature) are June, July, August, September, October and November (84°F).
The coldest months (with the lowest average sea temperature) are February and March (81°F).

Average daylight in August / Average sunshine in August - Saipan, Northern Mariana Islands, USA
  • Average daylight in August: 12.6h

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

  • Average sunshine in August: 5h

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

Average UV index in August - Saipan, Northern Mariana Islands, USA
  • Average UV index in August: 12

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).