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 snowfall 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
During December, the average high-temperature is a still warm 27.7°C (81.9°F), maintaining a close resemblance to that of the preceding month. An average low-temperature of 26.8°C (80.2°F), slightly less than the daytime peak, marks the month of December in Morne Longue.Heat index
For December, the heat index is estimated at a tropical 31°C (87.8°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In December, the average relative humidity is 77%.Rainfall
In Morne Longue, in December, it is raining for 22.5 days, with typically 53mm (2.09") of accumulated precipitation. In Morne Longue, Grenada, during the entire year, the rain falls for 249.7 days and collects up to 774mm (30.47") of precipitation.Snowfall
In Morne Longue, snow does not fall in January through August, October through December.Daylight
The month with the shortest days is December, with an average of 11h and 24min of daylight.On the first day of the month, sunrise is at 06:12 and sunset at 17:39. On the last day of December, in Morne Longue, sunrise is at 06:27 and sunset at 17:52 AST.
Sunshine
The month with the least sunshine in Morne Longue is December, with an average of 6.3h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Morne Longue are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 7 during December translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What are December temperatures in Morne Longue?
What is the average humidity in December in Morne Longue?
How much does it rain in Morne Longue in December?
When it does not snow in Morne Longue?
What is the month with the shortest days in Morne Longue?
How many hours of daylight does Morne Longue have in December?
What time are sunrise and sunset in December in Morne Longue?
What is the month with the least sunshine in Morne Longue?
How many hours of sunshine does Morne Longue have in December?
What are the months with the highest UV index in Morne Longue?
What are the months with the lowest UV index in Morne Longue?
How high is the UV index in December in Morne Longue?
Average temperature in December
Morne Longue, Grenada
- Average high temperature in December: 27.7°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.7°C).
- Average low temperature in December: 26.8°C
The month with the highest average low temperature is September (28.1°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure in December
Morne Longue, Grenada
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is June (1014.2mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in December
Morne Longue, Grenada
- Average wind speed in December: 28.7km/h
The windiest month (with the highest average wind speed) is February (29.9km/h).
The calmest month (with the lowest average wind speed) is September (21.6km/h).
Average humidity in December
Morne Longue, Grenada
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (79%).
The months with the lowest relative humidity are January, February and September (76%).
Average rainfall in December
Morne Longue, Grenada
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is October (122mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in December
Morne Longue, Grenada
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is August (25.1 days).
The month with the least rainy days is April (16 days).
Average snowfall days in December
Morne Longue, Grenada
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Morne Longue, Grenada
- Average daylight in December: 11h and 2min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Morne Longue, Grenada
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is March (7.8 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in December
Morne Longue, Grenada
- 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
Morne Longue, Grenada
- Average cloud cover in December: 41
The months with the most cloud cover are June, July and November (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in December
Morne Longue, Grenada
- 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).
Morne Longue, Grenada
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