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
December experiences an average high-temperature of a still warm 27.6°C (81.7°F), barely different from November's 28.2°C (82.8°F). In Greenwich, the month of December brings a consistent average low-temperature of 26.5°C (79.7°F), slightly cooler than its daytime highs.Heat index
For December, the heat index is appraised at a hot 31°C (87.8°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Greenwich, the average relative humidity in December is 76%.Rainfall
In Greenwich, in December, during 16.2 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Greenwich, during the entire year, the rain falls for 233.8 days and collects up to 706mm (27.8") of precipitation.Daylight
The month with the shortest days in Greenwich is December, with an average of 11h and 24min of daylight.On the first day of the month, sunrise is at 06:05 and sunset at 17:29. On the last day of December, sunrise is at 06:20 and sunset at 17:42 AST.
Sunshine
With an average of 6.5h of sunshine, December has the least sunshine of the year in Greenwich.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 Greenwich, Barbados. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 7 in December suggests the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the usual temperature for Greenwich in December?
What is the average humidity in December in Greenwich?
How much does it rain in Greenwich in December?
What is the month with the shortest days in Greenwich?
What is the average length of the day in December in Greenwich?
When is the sunrise / sunset in December in Greenwich?
What is the month with the least sunshine in Greenwich?
How long on average sun shines in December in Greenwich?
What is the month with the highest UV index in Greenwich?
What is the month with the lowest UV index in Greenwich?
What is the UV index reading in December in Greenwich?
Average temperature in December
Greenwich, 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
Greenwich, 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
Greenwich, 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
Greenwich, 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
Greenwich, 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
Greenwich, 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 daylight in December /
Average sunshine in December
Greenwich, 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
Greenwich, 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
Greenwich, 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
Greenwich, 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
Greenwich, 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).
Greenwich, Barbados
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