December weather forecastMayotte, Haiti

December

Weather in December

The first month of the winter, December, is also a moderately hot month in Mayotte, Haiti, with an average temperature fluctuating between 23.1°C (73.6°F) and 27.7°C (81.9°F).

Temperature

Mayotte, Haiti, marks the onset of December with an average high-temperature of a still moderately hot 27.7°C (81.9°F), a subtle shift from November's 28.2°C (82.8°F). Mayotte, in December, registers an average low temperature of 23.1°C (73.6°F), showing a minute reduction from daily highs.

Heat index

The heat index in December is evaluated at a tropical 31°C (87.8°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

The average relative humidity in December is 74%.

Rainfall

In Mayotte, in December, during 10.2 rainfall days, 13mm (0.51") of precipitation is typically accumulated. Throughout the year, there are 196.7 rainfall days, and 531mm (20.91") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Mayotte, Haiti, with an average of 11h and 0min of daylight.
On the first day of December, sunrise is at 06:07 and sunset at 17:13. On the last day of the month, sunrise is at 06:22 and sunset at 17:25 EST.

Sunshine

The average sunshine in December in Mayotte, Haiti, is 7.5h.

UV index

February, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 6 during December translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

An average high-temperature, in December, in Mayotte, is 27.7°C (81.9°F) and the average low-temperature is 23.1°C (73.6°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in December is evaluated at 31°C (87.8°F).

In December, the average relative humidity is 74%.

In December, in Mayotte, Haiti, the rain falls for 10.2 days. Throughout December, 13mm (0.51") of precipitation is accumulated.

December has the shortest days of the year in Mayotte, with an average of 11h and 0min of daylight.

In Mayotte, Haiti, the average day length in December is 11h and 3min.

On the first day of December in Mayotte, Haiti, sunrise is at 06:07 and sunset at 17:13. On the last day of the month, sunrise is at 06:22 and sunset at 17:25 EST.

In December, the average sunshine duration in Mayotte is 7.5h.

February, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Mayotte, Haiti.

The average daily maximum UV index in December in Mayotte, Haiti, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Mayotte, Haiti

  • Average high temperature in December: 27.7°C

The warmest month (with the highest average high temperature) is August (29.7°C).
The months with the lowest average high temperature are January, February and March (27.2°C).

  • Average low temperature in December: 23.1°C

The month with the highest average low temperature is September (25.3°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).

Average pressure in December
Mayotte, Haiti

  • Average pressure in December: 1014.9mbar

The month with the highest atmospheric pressure is January (1016mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).

Average wind speed in December
Mayotte, Haiti

  • Average wind speed in December: 10.5km/h

The windiest month (with the highest average wind speed) is June (15.3km/h).
The calmest month (with the lowest average wind speed) is November (8.8km/h).

Average humidity in December
Mayotte, Haiti

  • Average humidity in December: 74%

The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is February (72%).

Average rainfall in December
Mayotte, Haiti

  • Average rainfall in December: 13mm

The wettest month (with the highest rainfall) is October (75mm).
The driest month (with the least rainfall) is January (10mm).

Average rainfall days in December
Mayotte, Haiti

  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is October (20.7 days).
The month with the least rainy days is January (9.3 days).

Average daylight in December /
Average sunshine in December
Mayotte, Haiti

  • Average daylight in December: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in December: 7h and 30min

The months with the most sunshine are May, June, July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 7h and 24min).

Average sunshine days in December
Mayotte, Haiti

  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is April (6.7 days).

Average UV index in December
Mayotte, Haiti

  • Average UV index in December: 6

The months with the highest UV index are January, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are February, November and December (UV index 6).

Average cloud cover in December
Mayotte, Haiti

  • Average cloud cover in December: 16

The month with the most cloud cover is April (Cloud cover 30).
The month with the least cloud cover is December (Cloud cover 16).

Average visibility in December
Mayotte, Haiti

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).