December weather forecastLongoni, Mayotte
December
Weather in December
December in Longoni rings in the year-end with the highest rainfall since March, registering 125mm (4.92"). Along with this spike in rainfall comes an increased cloud cover. Nevertheless, the high temperature holds steady, representing a typical tropical climate. Despite the gusty winds, December offers the longest daylight hours. The year wraps up with consistent weather conditions, gathering momentum for the approaching January.Temperature
December in Longoni notes an average high-temperature of a still warm 28.4°C (83.1°F), subtly differing from November's 27.3°C (81.1°F). Longoni's temperature during December nights registers a minor decrease to an average low of 27.7°C (81.9°F).Heat index
During December, the heat index is appraised at a hot 32°C (89.6°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The average relative humidity in December in Longoni, Mayotte, is 73%.Rainfall
In Longoni, in December, it is raining for 23.4 days, with typically 125mm (4.92") of accumulated precipitation. Throughout the year, in Longoni, there are 182.4 rainfall days, and 862mm (33.94") of precipitation is accumulated.Daylight
With an average of 12h and 54min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 05:23 and sunset at 18:13. On the last day of the month, sunrise is at 05:36 and sunset at 18:28 EAT.
Sunshine
December has the most sunshine of the year, with an average of 10.7h of sunshine.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 Longoni, Mayotte, are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 7 during December translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Longoni, 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
Longoni, 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
Longoni, 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
Longoni, 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
Longoni, 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
Longoni, 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
Longoni, 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
Longoni, 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
Longoni, 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
Longoni, 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
Longoni, 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).
