Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December registers an average high-temperature of a still warm 27.7°C (81.9°F), slightly varied from November's 28.2°C (82.8°F). With a barely noticeable fluctuation in temperature, La Vallée-de-Jacmel reaches an average low of 23.1°C (73.6°F) during the December nights.Heat index
The heat index in December is evaluated at a tropical 31°C (87.8°F). With extended exposure and activity, one might feel exhausted and experience heat cramps.Bear in mind that the heat index values are determined for shaded areas and light 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 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
In La Vallée-de-Jacmel, the average relative humidity in December is 74%.Rainfall
In December, in La Vallée-de-Jacmel, Haiti, the rain falls for 10.2 days. Throughout December, 13mm (0.51") of precipitation is accumulated. In La Vallée-de-Jacmel, during the entire year, the rain falls for 196.7 days and collects up to 531mm (20.91") of precipitation.Daylight
The month with the shortest days is December, with an average of 11h and 6min of daylight.On the first day of the month, sunrise is at 06:06 and sunset at 17:13. On the last day of December, in La Vallée-de-Jacmel, sunrise is at 06:22 and sunset at 17:25 EST.
Sunshine
The average sunshine in December in La Vallée-de-Jacmel is 7.5h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in December leads to these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. 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 holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are December temperatures in La Vallée-de-Jacmel?
What is the average humidity in December in La Vallée-de-Jacmel?
How many days does it rain in December in La Vallée-de-Jacmel?
What is the month with the shortest days in La Vallée-de-Jacmel?
How many hours of daylight does La Vallée-de-Jacmel have in December?
What time are sunrise and sunset in December in La Vallée-de-Jacmel?
How many hours of sunshine does La Vallée-de-Jacmel have in December?
When is the lowest UV index in La Vallée-de-Jacmel?
What is the UV index intensity in December in La Vallée-de-Jacmel?
Average temperature in December
La Vallée-de-Jacmel, 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
La Vallée-de-Jacmel, 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
La Vallée-de-Jacmel, 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
La Vallée-de-Jacmel, 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
La Vallée-de-Jacmel, 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
La Vallée-de-Jacmel, 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
La Vallée-de-Jacmel, Haiti
- Average daylight in December: 11h and 1min
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 6min).
- Average sunshine in December: 7h and 3min
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
La Vallée-de-Jacmel, 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
La Vallée-de-Jacmel, 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
La Vallée-de-Jacmel, 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
La Vallée-de-Jacmel, 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).
La Vallée-de-Jacmel, Haiti
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