January weather forecast
Apia, Samoa

As in most tropical regions, January in Apia, Samoa brings about consistently warm temperatures. January stands out with the highest recorded monthly rainfall in the year at 175mm (6.89"), potentially affecting travel plans and outdoor events. Comparatively, this month experiences more rainfall than its succeeding month, February. Sunlight hours stand at a generous 12.8 hours a day, while the sea temperature is delightful, making it an ideal time for water activities. Despite the rain, life goes on as usual with splendid displays of sunshine becoming a part of everyday life.

Temperature

In January, the average high-temperature registers at a still moderately hot 28.5°C (83.3°F), nearly identical to December's 28.3°C (82.9°F). Apia registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 27.6°C (81.7°F) during January.

Heat index

During January, the heat index is computed to be a tropical 33°C (91.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

In January, the average relative humidity is 76%.

Rainfall

The month with the most rainfall is January, when the rain falls for 19.9 days and typically aggregates up to 175mm (6.89") of precipitation.

Sea temperature

In January, the average sea temperature is 29.3°C (84.7°F).
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

The average length of the day in January is 12h and 50min.
On the first day of the month, sunrise is at 06:02 and sunset at 18:58. On the last day of January, sunrise is at 06:19 and sunset at 19:01 +13.

Sunshine

In January, the average sunshine is 7.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 7 during January, leads to the following recommendations:
Deflect overexposure. Sun protection is a necessity. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Heads up! UV intensity is amplified by reflections from water and sand.