December weather forecastTivoli, Grenada
December
Weather in December
December wraps up the year with a further decline in rainfall. As the wind speed increases, it counters the continuous high humidity, providing some comfort. Despite the declining daylight hours, the amount of sunshine received remains steady. While the temperature remains consistent with the previous month, the overall atmospheric pressure sees a significant increase. The wind gusts return to the higher end of the yearly range at 39.7km/h (24.7mph), marking a breezy end to the year.Temperature
The transition into December reveals an average high-temperature of a still warm 27.7°C (81.9°F), mirroring a close resemblance to November. December nights in Tivoli experience a minor temperature downturn to a still moderately hot 26.8°C (80.2°F).Heat index
December's average heat index is appraised at a hot 31°C (87.8°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The average relative humidity in December is 77%.Rainfall
In Tivoli, in December, it is raining for 22.5 days, with typically 53mm (2.09") of accumulated precipitation. Throughout the year, in Tivoli, there are 249.7 rainfall days, and 774mm (30.47") of precipitation is accumulated.Snowfall
January through August, October through December are months without snowfall.Daylight
With an average of 11h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:11 and sunset at 17:39. On the last day of December, sunrise is at 06:26 and sunset at 17:52 AST.
Sunshine
December has the least sunshine of the year in Tivoli, Grenada, with an average of 6.3h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Tivoli are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 7 in December translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tivoli, 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
Tivoli, 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
Tivoli, 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
Tivoli, 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
Tivoli, 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
Tivoli, 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
Tivoli, 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
Tivoli, 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 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
Tivoli, 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
Tivoli, 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
Tivoli, 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
Tivoli, 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).
