December weather forecast
Ongojou, Mayotte

December sees a significant change in weather in Ongojou with rainfall amounts reaching 125mm (4.92"), its second highest in the year. Despite the escalated rain, daylight hours increase upto 12.9 hours, brightening the city a tad more. Concurrently, the noteworthy rise in wind speed brings a cooler breeze that blankets the city. The significant drop in the number of sunshine days makes December a predominantly overcast month. Overall, December showcases Ongojou's typical tropical climate, ending the year on a wet and breezy note.

Temperature

Ongojou sees the arrival of December with an average high-temperature of a still warm 28.4°C (83.1°F), indicating a subtle variation from November. December introduces a small decrease to a nighttime average of 27.7°C (81.9°F) in Ongojou.

Heat index

The heat index for December is evaluated at a hot 32°C (89.6°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for 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

In Ongojou, Mayotte, the average relative humidity in December is 73%.

Rainfall

In Ongojou, in December, during 23.4 rainfall days, 125mm (4.92") of precipitation is typically accumulated. Throughout the year, in Ongojou, there are 182.4 rainfall days, and 862mm (33.94") of precipitation is accumulated.

Daylight

The month with the longest days in Ongojou is December, with an average of 12h and 54min of daylight.
On the first day of the month, sunrise is at 05:23 and sunset at 18:13. On the last day of December, in Ongojou, sunrise is at 05:36 and sunset at 18:28 EAT.

Sunshine

The month with the most sunshine in Ongojou is December, with an average of 10.7h of sunshine.

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 value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 7 during December translates into the following guidance:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.