December weather forecast
Moroni, Comoros

December in Moroni is noted for its ample daylight of 12.8 hours per day, the highest for the year. The city prepares for the holiday season with slightly increased rainfall levels and humidity. Despite the light showers, the city's festive mood is not dampened. The increased daylight hours add an extra charm to the city's holiday preparations. December gives residents and tourists an opportunity for extended outdoor activities due to more daylight hours.

Temperature

As December unfolds, the average high-temperature reaches a still moderately hot 28.3°C (82.9°F), hinting at a slight fluctuation from the previous month. A mean low-temperature of 26.6°C (79.9°F) is a distinguishing feature of December, indicating a slight dip from daytime highs.

Heat index

In December, the average heat index is calculated to be a tropical 32°C (89.6°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In December, the rain falls for 19.5 days. Throughout December, 147mm (5.79") of precipitation is accumulated. Throughout the year, in Moroni, there are 187.6 rainfall days, and 1082mm (42.6") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Moroni is 28°C (82.4°F).
Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

With an average of 12h and 48min of daylight, December has the longest days of the year in Moroni.
On the first day of the month, sunrise is at 05:33 and sunset at 18:19. On the last day of December, sunrise is at 05:46 and sunset at 18:34 EAT.

Sunshine

In Moroni, Comoros, the average sunshine in December is 10.8h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 7 in December transforms into this advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert! The reflection of water and sand augments UV radiation intensity.