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 sea temperature 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
Garrison's shift into December sets the average high-temperature at a still warm 27.6°C (81.7°F), a figure that deviates only slightly from November's 28.2°C (82.8°F). Garrison's nights throughout December are marked by an average low temperature of 26.5°C (79.7°F), a minor drop from the day's high.Heat index
December's average heat index is computed to be a tropical 31°C (87.8°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In Garrison, the average relative humidity in December is 76%.Rainfall
In December, in Garrison, the rain falls for 16.2 days. Throughout December, 30mm (1.18") of precipitation is accumulated. In Garrison, during the entire year, the rain falls for 233.8 days and collects up to 706mm (27.8") of precipitation.Sea temperature
In Garrison, in December, the average water temperature is 27°C (80.6°F).Note: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods.
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 06:05 and sunset at 17:30. On the last day of December, sunrise is at 06:20 and sunset at 17:42 AST.
Sunshine
December has the least sunshine of the year in Garrison, with an average of 6.5h of sunshine.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 in Garrison. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 7 during December leads to these advisories:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Frequently asked questions
What are the temperatures in Garrison in December?
What is the average humidity in December in Garrison?
How many days does it rain in December in Garrison?
How warm is the water in December in Garrison?
What is the month with the shortest days in Garrison?
What is the average length of the day in December in Garrison?
When are sunrise and sunset in December in Garrison?
What is the month with the least sunshine in Garrison?
How long on average sun shines in December in Garrison?
When is the highest UV index in Garrison?
What are the months with the lowest UV index in Garrison?
What is the UV index reading in December in Garrison?
Average temperature in December
Garrison, Barbados
- Average high temperature in December: 27.6°C
The warmest months (with the highest average high temperature) are September and October (28.9°C).
The month with the lowest average high temperature is February (26.8°C).
- Average low temperature in December: 26.5°C
The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).
Average pressure in December
Garrison, Barbados
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is June (1014.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in December
Garrison, Barbados
- Average wind speed in December: 26.9km/h
The windiest months (with the highest average wind speed) are January and February (28.3km/h).
The calmest month (with the lowest average wind speed) is September (19.4km/h).
Average humidity in December
Garrison, Barbados
- Average humidity in December: 76%
The months with the highest relative humidity are June, July, August and November (77%).
The month with the lowest relative humidity is February (74%).
Average rainfall in December
Garrison, Barbados
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is February (13mm).
Average rainfall days in December
Garrison, Barbados
- Average rainfall days in December: 16.2 days
The month with the highest number of rainy days is July (26.3 days).
The month with the least rainy days is February (11.3 days).
Average sea temperature in December
Garrison, Barbados
- Average sea temperature in December: 27°C
The best month for swimming (with the highest average sea temperature) is September (29°C).
The coldest months (with the lowest average sea temperature) are February and March (26°C).
Average daylight in December /
Average sunshine in December
Garrison, Barbados
- 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Garrison, Barbados
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is February (14.3 days).
The month with the least sunshine days is July (1.3 days).
Average UV index in December
Garrison, Barbados
- 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
Garrison, Barbados
- Average cloud cover in December: 41
The month with the most cloud cover is June (Cloud cover 49).
The months with the least cloud cover are January and February (Cloud cover 37).
Average visibility in December
Garrison, Barbados
- 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).
Garrison, Barbados
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