January weather forecast
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

Weather in January

January, the same as December, is a moderately hot winter month in Saipan, Northern Mariana Islands, with an average temperature varying between 73.4°F (23°C) and 81.1°F (27.3°C).

Temperature

In January, the average high-temperature is practically the same as in December - a still moderately hot 81.1°F (27.3°C). The average low-temperature, in January, is 73.4°F (23°C).

Rainfall

In Saipan, during January, the rain falls for 23 days and regularly aggregates up to 3.86" (98mm) of precipitation. In Saipan, Northern Mariana Islands, during the entire year, the rain falls for 244 days and collects up to 83.39" (2118mm) of precipitation.

Ocean temperature

In Saipan, the average water temperature is 82.4°F (28°C).
Note: 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.

Daylight

The average length of the day in January is 11h and 20min.
On the first day of January, sunrise is at 6:42 am and sunset at 5:57 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:14 pm ChST.

Sunshine

In January, the average sunshine in Saipan is 6h.

UV index

In January, the average daily maximum UV index in Saipan is 10. A UV Index estimate of 8 to 10 represents a very high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 10 in January transform into the following instructions:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in January in Saipan?

The average high-temperature, in January, is 81.1°F (27.3°C), while the average low-temperature is 73.4°F (23°C).

How many days does it rain in January in Saipan?

In Saipan, in January, it is raining for 23 days, with typically 3.86" (98mm) of accumulated precipitation.

How warm is the water in January in Saipan?

In Saipan, the average seawater temperature in January is 82.4°F (28°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 January in Saipan?

In Saipan, Northern Mariana Islands, the average day length in January is 11h and 20min.

When is the sunrise / sunset in January in Saipan?

On the first day of January in Saipan, sunrise is at 6:42 am and sunset at 5:57 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:14 pm ChST.

How many hours of sunshine does Saipan have in January?

In Saipan, Northern Mariana Islands, the average sunshine duration in January is 6h.

What is the UV index intensity in January in Saipan?

In Saipan, the average daily maximum UV index in January is 10. A UV Index of 8 to 10 symbolizes a very high health risk from unsafe exposure to Sun's UV rays.
Average rainfall days
Average sunshine
Average UV index

Average temperature in January
Saipan, Northern Mariana Islands, USA

Average temperature in January - Saipan, Northern Mariana Islands, USA
  • Average high temperature in January: 81.2°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 January: 73.4°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 January
Saipan, Northern Mariana Islands, USA

Average rainfall in January - Saipan, Northern Mariana Islands, USA
  • Average rainfall in January: 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 January
Saipan, Northern Mariana Islands, USA

Average rainfall days in January - Saipan, Northern Mariana Islands, USA
  • Average rainfall days in January: 23 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 January
Saipan, Northern Mariana Islands, USA

Average sea temperature in January - Saipan, Northern Mariana Islands, USA
  • Average sea temperature in January: 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 January /
Average sunshine in January
Saipan, Northern Mariana Islands, USA

Average daylight in January / Average sunshine in January - Saipan, Northern Mariana Islands, USA
  • Average daylight in January: 11h and 20min

The month with the longest days is June (Average daylight: 13h and 1min).
The month with the shortest days is December (Average daylight: 11h and 15min).

  • Average sunshine in January: 6h

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 January
Saipan, Northern Mariana Islands, USA

Average UV index in January - Saipan, Northern Mariana Islands, USA
  • Average UV index in January: 10

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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