May weather forecast
Saipan, Northern Mariana Islands, USA

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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

Weather in May

May sees Saipan’s weather conditions continue to provide comfortable temperatures. The gap between the coldest recorded value, 75.5°F (24.2°C), and the highest, 84.4°F (29.1°C), creates a pleasantly warm environment. Despite the rainfall increase, residents still enjoy long sunny hours, which maximizes daylight efficiency. Heading into June, no drastic changes are foreseen, maintaining the appeal of this tropical paradise.

Temperature

Entering May, Saipan's average high-temperature reads a still warm 84.4°F (29.1°C), indicating a close resemblance to the previous month's climate. Nighttime temperature reflects an average dip to a still warm 75.6°F (24.2°C) in May, subtly cooler than its daytime highs.

Rainfall

In Saipan, in May, it is raining for 20 days, with typically 3.82" (97mm) of accumulated precipitation. Throughout the year, there are 244 rainfall days, and 83.39" (2118mm) of precipitation is accumulated.

Ocean temperature

In Saipan, the average seawater temperature in May is 82.4°F (28°C).
Note: For activities such as swimming and diving, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

The average length of the day in May in Saipan is 12h and 50min.
On the first day of the month, sunrise is at 5:53 am and sunset at 6:34 pm. On the last day of May, in Saipan, sunrise is at 5:45 am and sunset at 6:43 pm ChST.

Sunshine

March through June, with an average of 7h of sunshine, are months with the most sunshine.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 12 in May converts into the following recommendations:
Ensure every crucial precaution is taken. Individuals with light skin could experience burns in under 5 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Experience reduced UV exposure by about half when donning a wide-brim hat. Despite the cloud cover, sunscreen with an SPF of at least 30 should be generously applied and reapplied, particularly after a swim or an outdoor workout. Heed this! UV intensity is much stronger when reflected off sand and water.
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Frequently asked questions

How hot is it in Saipan in May?

The high-temperature, in May, in Saipan, records 84.4°F (29.1°C), while the low-temperature is 75.6°F (24.2°C).

How many days does it rain in May in Saipan?

In May, in Saipan, Northern Mariana Islands, the rain falls for 20 days. Throughout May, 3.82" (97mm) of precipitation is accumulated.

How warm is the water in May in Saipan?

In Saipan, in May, the average water temperature is 82.4°F (28°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 average length of the day in May in Saipan?

In Saipan, Northern Mariana Islands, the average day length in May is 12h and 50min.

When are sunrise and sunset in May in Saipan?

On the first day of May, sunrise is at 5:53 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 6:43 pm ChST.

What are the months with the most sunshine in Saipan?

The months with the most sunshine in Saipan are March through June, with an average of 7h of sunshine.

How long on average sun shines in May in Saipan?

In Saipan, the average sunshine duration in May is 7h.

What is the month with the highest UV index in Saipan?

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

How high is the UV index in May in Saipan?

In May, the average daily maximum UV index in Saipan is 12. A UV Index reading of 11, and higher, represents an ultimate hazard to health from exposure to the Sun's UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Saipan, Northern Mariana Islands, USA

Average temperature in May - Saipan, Northern Mariana Islands, USA
  • Average high temperature in May: 84.4°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 May: 75.5°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).

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Average rainfall in May
Saipan, Northern Mariana Islands, USA

Average rainfall in May - Saipan, Northern Mariana Islands, USA
  • Average rainfall in May: 3.8"

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

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Average rainfall days in May
Saipan, Northern Mariana Islands, USA

Average rainfall days in May - Saipan, Northern Mariana Islands, USA
  • Average rainfall days in May: 20 days

The 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).

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Average sea temperature in May
Saipan, Northern Mariana Islands, USA

Average sea temperature in May - Saipan, Northern Mariana Islands, USA
  • Average sea temperature in May: 82°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).

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Average daylight in May /
Average sunshine in May
Saipan, Northern Mariana Islands, USA

Average daylight in May / Average sunshine in May - Saipan, Northern Mariana Islands, USA
  • Average daylight in May: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in May: 7h

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

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Average UV index in May
Saipan, Northern Mariana Islands, USA

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

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

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Saipan, Northern Mariana Islands, USA

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