December weather forecast
Praia das Conchas, São Tomé and Príncipe

December, the last month of the year, brings some relief in terms of rainfall with a drop to 159mm (6.26") from November's high. The average temperatures in Praia das Conchas remain consistently warm and humid throughout the month. As the wind speed returns to more placid numbers, averaging 10.8km/h (6.7mph), it contribute to the sunny and mild climate. Just as in the past months, the UV index stays high; hence it's always advisable to use sun protection. It's an ideal month for visitors who want to escape cold northern climates and immerse themselves in a tropical paradise.

Temperature

The initiation of December records an average high-temperature of a still moderately hot 27.5°C (81.5°F), displaying a near consistency with the previous month. Praia das Conchas's nighttime temperatures in December display a slight drop from daytime highs, averaging to a still moderately hot 26.6°C (79.9°F).

Heat index

The average heat index in December is calculated to be a tropical 31°C (87.8°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The average relative humidity in December in Praia das Conchas is 79%.

Rainfall

In Praia das Conchas, during December, the rain falls for 28.6 days and regularly aggregates up to 159mm (6.26") of precipitation. In Praia das Conchas, São Tomé and Príncipe, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

The month with the shortest days in Praia das Conchas is December, with an average of 12h and 6min of daylight.
On the first day of the month, sunrise is at 05:19 and sunset at 17:25. On the last day of December, in Praia das Conchas, sunrise is at 05:33 and sunset at 17:39 GMT.

Sunshine

In December, the average sunshine is 8.2h.

UV index

The months with the highest UV index in Praia das Conchas, São Tomé and Príncipe, are January through May, October through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 7 in December translates into these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.