December weather forecast
Iloni, Mayotte

December in Iloni, compared to the preceding month, signifies amplified temperature variations, averaging from 27.7°C (81.9°F) to 28.4°C (83.1°F). Rainfall further increases to 125mm (4.92") along with a higher percentage of cloud coverage, delivering a decidedly damp end to the year. Despite these fluctuations, usual daylight hours, atmospheric pressure, wind speed, and visibility conditions are sustained with minimal alterations.

Temperature

Iloni commences December with an average high-temperature of a still moderately hot 28.4°C (83.1°F), maintaining a close resemblance to the previous month. Iloni's nocturnal average in December closely mirrors its daytime temperatures, settling at a still warm 27.7°C (81.9°F).

Heat index

For December, the heat index is appraised at a hot 32°C (89.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In December, the average relative humidity is 73%.

Rainfall

In December, the rain falls for 23.4 days. Throughout December, 125mm (4.92") of precipitation is accumulated. In Iloni, during the entire year, the rain falls for 182.4 days and collects up to 862mm (33.94") of precipitation.

Daylight

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

Sunshine

With an average of 10.7h of sunshine, December has the most sunshine of the year in Iloni.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Iloni, Mayotte, are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.