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
In Greiggs, December's average high-temperature stands at a still warm 27.4°C (81.3°F), closely related to the preceding month. In December, Greiggs's nights cool slightly to a consistent average temperature of 26.4°C (79.5°F).Heat index
For most parts of December, the heat index is calculated to be a tropical 30°C (86°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In Greiggs, the average relative humidity in December is 76%.Rainfall
In Greiggs, in December, it is raining for 14.9 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, there are 164.4 rainfall days, and 289mm (11.38") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 24min of daylight.On the first day of the month, sunrise is at 06:11 and sunset at 17:36. On the last day of December, sunrise is at 06:26 and sunset at 17:48 AST.
Sunshine
With an average of 6.6h of sunshine, December has the least sunshine of the year in Greiggs.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 7 translates into these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Greiggs in December?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine in Greiggs?
How many hours of sunshine does Greiggs have in December?
What is the month with the highest UV index in Greiggs?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Greiggs, Saint Vincent and the Grenadines
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is February (26.3°C).
- Average low temperature in December: 26.4°C
The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is January (25.3°C).
Average pressure in December
Greiggs, Saint Vincent and the Grenadines
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is June (1014.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in December
Greiggs, Saint Vincent and the Grenadines
- Average wind speed in December: 26.6km/h
The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (19.7km/h).
Average humidity in December
Greiggs, Saint Vincent and the Grenadines
- Average humidity in December: 76%
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).
Average rainfall in December
Greiggs, Saint Vincent and the Grenadines
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in December
Greiggs, Saint Vincent and the Grenadines
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (8.7 days).
Average daylight in December /
Average sunshine in December
Greiggs, Saint Vincent and the Grenadines
- Average daylight in December: 11h and 2min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in December
Greiggs, Saint Vincent and the Grenadines
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
Greiggs, Saint Vincent and the Grenadines
- 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
Greiggs, Saint Vincent and the Grenadines
- Average cloud cover in December: 40
The month with the most cloud cover is June (Cloud cover 44).
The months with the least cloud cover are February and September (Cloud cover 35).
Average visibility in December
Greiggs, Saint Vincent and the Grenadines
- 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).
Greiggs, Saint Vincent and the Grenadines
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