December weather forecastMoroni, Comoros
December
Weather in December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Moroni, Comoros
- Average high temperature in December: 28.3°C
The warmest month (with the highest average high temperature) is March (28.8°C).
The months with the lowest average high temperature are July, August and September (25.3°C).
- Average low temperature in December: 26.6°C
The month with the highest average low temperature is March (27.1°C).
The coldest month (with the lowest average low temperature) is August (23.8°C).
Average pressure in December
Moroni, Comoros
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is February (1010mbar).
Average wind speed in December
Moroni, Comoros
- Average wind speed in December: 11.5km/h
The windiest month (with the highest average wind speed) is July (23.7km/h).
The calmest month (with the lowest average wind speed) is November (11.2km/h).
Average humidity in December
Moroni, Comoros
- Average humidity in December: 75%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Moroni, Comoros
- Average rainfall in December: 147mm
The wettest month (with the highest rainfall) is January (233mm).
The driest month (with the least rainfall) is September (11mm).
Average rainfall days in December
Moroni, Comoros
- Average rainfall days in December: 19.5 days
The months with the highest number of rainy days are March and April (23 days).
The month with the least rainy days is September (8.4 days).
Average sea temperature in December
Moroni, Comoros
- Average sea temperature in December: 28°C
The best months for swimming (with the highest average sea temperature) are January, February, March and April (29°C).
The coldest month (with the lowest average sea temperature) is August (25°C).
Average daylight in December /
Average sunshine in December
Moroni, Comoros
- Average daylight in December: 12h and 48min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in December: 10h and 48min
The month with the most sunshine is November (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 6h and 54min).
Average sunshine days in December
Moroni, Comoros
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (5.8 days).
Average UV index in December
Moroni, Comoros
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in December
Moroni, Comoros
- Average cloud cover in December: 32
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are August and September (Cloud cover 20).
Average visibility in December
Moroni, Comoros
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
