Rota
Northern Mariana Islands, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Rota, Northern Mariana Islands, USA

January, like December, in Rota, Northern Mariana Islands, is another warm winter month, with average temperature varying between 84.2°F (29°C) and 75.2°F (24°C).

Temperature

With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 75.2°F (24°C), January is the coldest month.

Rainfall

In January, the rain falls for 22 days. Throughout January, 5" (128mm) of precipitation is accumulated. Throughout the year, in Rota, Northern Mariana Islands, there are 247 rainfall days, and 94.3" (2395mm) of precipitation is accumulated.

Ocean temperature

In Rota, the average seawater temperature is 82.4°F (28°C). 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 Rota, the average length of the day in January is 11.4h.

Sunshine

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

UV index

In January, the average daily maximum UV index is 10. A UV Index estimate of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV rays for ordinary individuals.
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the coldest month in Rota?

With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 75.2°F (24°C), January is the coldest month in Rota, Northern Mariana Islands.

What is the temperature in January in Rota?

The average high-temperature, in January, in Rota, Northern Mariana Islands, is 84.2°F (29°C), while the average low-temperature is 75.2°F (24°C).

How many days does it rain in January in Rota?

In Rota, during January, the rain falls for 22 days and regularly aggregates up to 5" (128mm) of precipitation.

What is the ocean temperature in January in Rota?

In Rota, Northern Mariana Islands, the average seawater temperature in January is 82.4°F (28°C). 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 average length of the day in January in Rota?

In Rota, Northern Mariana Islands, the average length of the day in January is 11.4h.

How long on average sun shines in January in Rota?

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

What is the UV index intensity in January in Rota?

The average daily maximum UV index in January is 10. A UV Index of 8 to 10 symbolizes a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in January - Rota, Northern Mariana Islands, USA
  • Average high temperature in January: 84°F

Warmest months (with the highest average high temperature) are April, May, June, July, August, September, October and November (88°F).
The month with the lowest average high temperature is January (84°F).

  • Average low temperature in January: 75°F

Months with the highest average low temperature are May, June, July, August, September, October and November (77°F).
Coldest months (with the lowest average low temperature) are January, February, March, April and December (75°F).

Average rainfall in January - Rota, Northern Mariana Islands, USA
  • Average rainfall in January: 5"

The wettest month (with the highest rainfall) is August (14.4").
The driest month (with the lowest rainfall) is March (3.5").

Average rainfall days in January - Rota, Northern Mariana Islands, USA
  • Average rainfall days in January: 22 days

The month with the highest number of rainy days is August (23 days).
The month with the lowest number of rainy days is April (18 days).

Average sea temperature in January - Rota, Northern Mariana Islands, USA
  • Average sea temperature in January: 82°F

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

Average daylight in January / Average sunshine in January - Rota, Northern Mariana Islands, USA
  • Average daylight in January: 11.4h

The month with the longest days is June (Average daylight: 13h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in January: 6h

Months with most sunshine are March, April, May and June (Average sunshine: 7h).
The month with least sunshine is October (Average sunshine: 4h).

Average UV index in January - Rota, 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).
The month with the lowest UV index is December (UV index 9).