December weather forecastOngojou, Mayotte
December
Weather in December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ongojou, Mayotte
- Average high temperature in December: 28.4°C
The warmest months (with the highest average high temperature) are March and April (28.9°C).
The months with the lowest average high temperature are August and September (25.4°C).
- Average low temperature in December: 27.7°C
The months with the highest average low temperature are February and March (28°C).
The coldest month (with the lowest average low temperature) is August (24.6°C).
Average pressure in December
Ongojou, Mayotte
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is August (1016.8mbar).
The month with the lowest atmospheric pressure is February (1010mbar).
Average wind speed in December
Ongojou, Mayotte
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is July (21km/h).
The calmest month (with the lowest average wind speed) is September (10.7km/h).
Average humidity in December
Ongojou, Mayotte
- Average humidity in December: 73%
The months with the highest relative humidity are January, October and November (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Ongojou, Mayotte
- Average rainfall in December: 125mm
The wettest month (with the highest rainfall) is January (230mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in December
Ongojou, Mayotte
- Average rainfall days in December: 23.4 days
The month with the highest number of rainy days is January (25.5 days).
The month with the least rainy days is August (5.3 days).
Average daylight in December /
Average sunshine in December
Ongojou, Mayotte
- Average daylight in December: 12h and 54min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in December: 10h and 42min
The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is April (Average sunshine: 6h and 54min).
Average sunshine days in December
Ongojou, Mayotte
- Average sunshine days in December: 5.7 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is January (3.7 days).
Average UV index in December
Ongojou, Mayotte
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Ongojou, Mayotte
- Average cloud cover in December: 34
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in December
Ongojou, Mayotte
- 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).
