December weather forecast
Bahani, Comoros

December in Bahani witnesses a significant leap in rainfall, bumping up from 29mm (1.14") to 110mm (4.33") compared to November. Marking the beginning of the rainy season, the city embraces the tropical monsoon in its full glory. Despite the increased rainfall, December is surprisingly warm and maintains a consistent daylight of 12.8 hours, the highest in the year. Wind gusts hover around 16.7km/h (10.4mph), balancing the overall weather conditions. The persistence of a stable atmospheric pressure of 1010.9mb keeps the climate in check.

Temperature

Bahani transitions into December recording an average high-temperature of a still moderately hot 28.4°C (83.1°F), closely aligning with the preceding month's temperature. Night temperatures in December exhibit a subtle decrease, settling at an average of 27°C (80.6°F).

Heat index

In December, the heat index is calculated to be a hot 32°C (89.6°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In Bahani, the average relative humidity in December is 75%.

Rainfall

In Bahani, in December, it is raining for 19.2 days, with typically 110mm (4.33") of accumulated precipitation. Throughout the year, in Bahani, there are 190.9 rainfall days, and 867mm (34.13") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 48min of daylight.
On the first day of the month, sunrise is at 05:33 and sunset at 18:18. On the last day of December, sunrise is at 05:46 and sunset at 18:33 EAT.

Sunshine

The average sunshine in December in Bahani, Comoros, is 10.7h.

UV index

The months with the highest UV index in Bahani are January through June, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily UV index of 7 turns into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.