December weather forecastGanthier, Haiti
December
Weather in December
The first month of the winter, December, is still a warm month in Ganthier, Haiti, with temperature in the range of an average low of 18.6°C (65.5°F) and an average high of 27.8°C (82°F).Temperature
The start of December sees the average high-temperature at a still warm 27.8°C (82°F), showing little difference from November's 28.2°C (82.8°F). The nights of December in Ganthier anticipate an average low-temperature of 18.6°C (65.5°F).Heat index
For most parts of December, the heat index is appraised at a hot 31°C (87.8°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Ganthier, the average relative humidity in December is 76%.Rainfall
In Ganthier, in December, it is raining for 10.5 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, in Ganthier, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 06:04 and sunset at 17:10. On the last day of December, in Ganthier, Haiti, sunrise is at 06:20 and sunset at 17:22 EST.
Sunshine
The average sunshine in December in Ganthier is 7.3h.UV index
The months with the lowest UV index in Ganthier are January through May, July through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 6 in December leads to these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ganthier, Haiti
- Average high temperature in December: 27.8°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (27.6°C).
- Average low temperature in December: 18.6°C
The months with the highest average low temperature are August and September (21.3°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure in December
Ganthier, Haiti
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).
Average wind speed in December
Ganthier, Haiti
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in December
Ganthier, Haiti
- Average humidity in December: 76%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is February (72%).
Average rainfall in December
Ganthier, Haiti
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is May (141mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in December
Ganthier, Haiti
- Average rainfall days in December: 10.5 days
The months with the highest number of rainy days are April and October (24.4 days).
The month with the least rainy days is January (9.9 days).
Average daylight in December /
Average sunshine in December
Ganthier, 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 18min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).
Average sunshine days in December
Ganthier, Haiti
- Average sunshine days in December: 19 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is April (3.3 days).
Average UV index in December
Ganthier, Haiti
- Average UV index in December: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Ganthier, Haiti
- Average cloud cover in December: 21
The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is December (Cloud cover 21).
Average visibility in December
Ganthier, Haiti
- Average visibility in December: 9km
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).





