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

Temperature

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

Rainfall

In Saipan, it is raining for 23 days, with typically 3.84" (97.5mm) of accumulated precipitation. In Saipan, during the entire year, the rain falls for 244 days and collects up to 83.39" (2118.2mm) of precipitation.

Ocean temperature

In January, the average ocean temperature in Saipan 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

In Saipan, Northern Mariana Islands, the average length of the day in January is 11.3h.

Sunshine

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

UV index

In Saipan, the average daily maximum UV index is 10. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 10 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in January in Saipan?

The average high-temperature, in January, in Saipan, Northern Mariana Islands, 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 January, in Saipan, Northern Mariana Islands, the rain falls for 23 days. Throughout January, 3.84" (97.5mm) of precipitation is accumulated.

How warm is the water in January in Saipan?

In Saipan, Northern Mariana Islands, in January, 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.

How many hours of daylight does Saipan have in January?

In Saipan, the average length of the day in January is 11.3h.

How long on average sun shines in January in Saipan?

In January, the average sunshine is 6h.

What is the UV index reading in January in Saipan?

In Saipan, the average daily maximum UV index in January is 10. A UV Index reading of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.
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).

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").

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

Average daylight in January / Average sunshine in January - Saipan, Northern Mariana Islands, USA
  • Average daylight in January: 11.3h

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 January: 6h

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

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).