December weather forecast
Sataua, Samoa

Rounding off the year, December in Sataua experiences a blend of increased rainfall and slight decrease in wind speed, which now hits around 19km/h (11.8mph). The weather continues to favor bright, sunny days where daylight extends for approximately 12.9 hours - the longest throughout the year. With an increased cloud cover of 50%, the city witnesses more cloudy days than clear ones. Though the UV index continues to hold its position at 7, making sun protection a necessity throughout the year. Despite the shifts in climatological factors over the course of the year, Sataua's tropical charm remains consistent, making it a year-round destination.

Temperature

Sataua registers an average high-temperature of a still moderately hot 27.1°C (80.8°F) with the arrival of December, showing minor deviation from the preceding month. In Sataua, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 26.1°C (79°F).

Heat index

December's heat index is calculated to be a tropical 30°C (86°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Sataua, during December, the rain falls for 28.6 days and regularly aggregates up to 421mm (16.57") of precipitation. Throughout the year, there are 311 rainfall days, and 3423mm (134.76") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 54min of daylight.
On the first day of December, sunrise is at 05:54 and sunset at 18:46. On the last day of the month, sunrise is at 06:06 and sunset at 19:01 +13.

Sunshine

In December, the average sunshine is 7.2h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.