December weather forecastCalivigny, Grenada
December
Weather in December
December signals the end of the year and the rainy season in Calivigny, Grenada, with a significant drop in rainfall to 55mm (2.17"). The temperature starts to drop slightly with highs of 27.7°C (81.9°F) and lows of 26.7°C (80.1°F). Despite these changes, the relative humidity remains steady at 77%, maintaining the same level as in January. While cloud cover diminishes slightly from November, the amount of sunshine in December is slightly increased. Wind speeds in December meet the year's highest average of 28.2km/h (17.5mph), providing a refreshing atmosphere even during the warmer parts of the day.Temperature
Entering December, the average high-temperature is recorded at a still moderately hot 27.7°C (81.9°F), exhibiting a minimal shift from November's 28.4°C (83.1°F). Calivigny, in December, registers an average low temperature of 26.7°C (80.1°F), showing a minute reduction from daily highs.Heat index
The heat index for December is evaluated at a tropical 31°C (87.8°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In December, the average relative humidity is 77%.Rainfall
In Calivigny, in December, during 21.7 rainfall days, 55mm (2.17") of precipitation is typically accumulated. In Calivigny, during the entire year, the rain falls for 232 days and collects up to 739mm (29.09") of precipitation.Daylight
December has the shortest days of the year, with an average of 11h and 24min of daylight.On the first day of December, sunrise is at 06:12 and sunset at 17:40. On the last day of the month, sunrise is at 06:27 and sunset at 17:53 AST.
Sunshine
The month with the least sunshine 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 are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 during December translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calivigny, Grenada
- Average high temperature in December: 27.7°C
The warmest months (with the highest average high temperature) are September and October (28.8°C).
The month with the lowest average high temperature is February (26.7°C).
- Average low temperature in December: 26.7°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
Calivigny, 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 (1010.7mbar).
Average wind speed in December
Calivigny, Grenada
- Average wind speed in December: 28.2km/h
The windiest month (with the highest average wind speed) is February (29.4km/h).
The calmest month (with the lowest average wind speed) is September (21.5km/h).
Average humidity in December
Calivigny, 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 February and September (76%).
Average rainfall in December
Calivigny, Grenada
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is October (110mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Calivigny, Grenada
- Average rainfall days in December: 21.7 days
The months with the highest number of rainy days are July and August (22.3 days).
The month with the least rainy days is April (14.8 days).
Average daylight in December /
Average sunshine in December
Calivigny, Grenada
- Average daylight in December: 11h and 24min
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 18min
The months with the most sunshine are August and September (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Calivigny, Grenada
- Average sunshine days in December: 5.6 days
The months with the most sunshine days are April and October (9.2 days).
The month with the least sunshine days is July (4.6 days).
Average UV index in December
Calivigny, 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
Calivigny, Grenada
- Average cloud cover in December: 42
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in December
Calivigny, 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).
