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
December
Weather in December
Temperature
Grande Ravine, Haiti, marks the start of December with an average high-temperature of a still warm 27.8°C (82°F), hinting at a slight fluctuation from November's 28.2°C (82.8°F). Grande Ravine's nighttime temperature during December is consistently averaged at a refreshing 18.6°C (65.5°F).Heat index
The heat index value for December is evaluated at a hot 31°C (87.8°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.Understand that the heat index values take into account shaded locations and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In Grande Ravine, the average relative humidity in December is 76%.Rainfall
In Grande Ravine, during December, the rain falls for 10.5 days and regularly aggregates up to 19mm (0.75") of precipitation. Throughout the year, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year in Grande Ravine.On the first day of the month, sunrise is at 06:04 and sunset at 17:11. On the last day of December, in Grande Ravine, sunrise is at 06:20 and sunset at 17:23 EST.
Sunshine
The average sunshine in December is 7.3h.UV index
The months with the lowest UV index in Grande Ravine are January through May, July through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 6 during December morphs into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Grande Ravine in December?
What is the average humidity in December in Grande Ravine?
How many days does it rain in December in Grande Ravine?
What is the month with the shortest days in Grande Ravine?
How many hours of daylight does Grande Ravine have in December?
When are sunrise and sunset in December in Grande Ravine?
How long on average sun shines in December in Grande Ravine?
What is the month with the lowest UV index in Grande Ravine?
What is the UV index intensity in December in Grande Ravine?
Average temperature in December
Grande Ravine, 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
Grande Ravine, 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
Grande Ravine, 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
Grande Ravine, 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
Grande Ravine, 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
Grande Ravine, 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
Grande Ravine, 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 2min
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
Grande Ravine, 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
Grande Ravine, 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
Grande Ravine, 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
Grande Ravine, 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).
