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
The shift to December signals an average high-temperature of a still moderately hot 27.1°C (80.8°F), subtly varied from November's 27.9°C (82.2°F). Troy records an average nighttime low of 19.6°C (67.3°F) in December.Heat index
In December, the average heat index is estimated at a tropical 30°C (86°F). If one remains active during constant exposure, it might cause exhaustion and heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In December, the average relative humidity is 85%.Rainfall
In Troy, Jamaica, during December, the rain falls for 23.9 days and regularly aggregates up to 65mm (2.56") of precipitation. In Troy, during the entire year, the rain falls for 297.9 days and collects up to 1472mm (57.95") of precipitation.Daylight
December has the shortest days of the year in Troy, with an average of 11h and 6min of daylight.On the first day of December in Troy, sunrise is at 06:26 and sunset at 17:33. On the last day of the month, sunrise is at 06:42 and sunset at 17:45 EST.
Sunshine
In Troy, Jamaica, the average sunshine in December is 6.3h.UV index
In Troy, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Deter overexposure. Protecting against the sun's effects is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the temperature in December in Troy?
What is the average humidity in December in Troy?
How many days does it rain in December in Troy?
What is the month with the shortest days in Troy?
What is the average length of the day in December in Troy?
When is the sunrise / sunset in December in Troy?
How many hours of sunshine does Troy have in December?
What is the UV index intensity in December in Troy?
Average temperature in December
Troy, Jamaica
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (27°C).
- Average low temperature in December: 19.6°C
The month with the highest average low temperature is August (21.9°C).
The coldest month (with the lowest average low temperature) is February (18.6°C).
Average pressure in December
Troy, Jamaica
- Average pressure in December: 1014.4mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is October (1011.5mbar).
Average wind speed in December
Troy, Jamaica
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is June (9.4km/h).
The calmest month (with the lowest average wind speed) is November (6.2km/h).
Average humidity in December
Troy, Jamaica
- Average humidity in December: 85%
The month with the highest relative humidity is October (87%).
The months with the lowest relative humidity are March and July (81%).
Average rainfall in December
Troy, Jamaica
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is October (228mm).
The driest month (with the least rainfall) is January (56mm).
Average rainfall days in December
Troy, Jamaica
- Average rainfall days in December: 23.9 days
The month with the highest number of rainy days is October (28.7 days).
The month with the least rainy days is June (21.1 days).
Average daylight in December /
Average sunshine in December
Troy, Jamaica
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in December
Troy, Jamaica
- Average sunshine days in December: 3.7 days
The month with the most sunshine days is June (7.6 days).
The months with the least sunshine days are September and November (1.9 days).
Average UV index in December
Troy, Jamaica
- Average UV index in December: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is October (UV index 5).
Average cloud cover in December
Troy, Jamaica
- Average cloud cover in December: 45
The months with the most cloud cover are May and November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Troy, Jamaica
- Average visibility in December: 6km
The months with the highest visibility are March, June, July and August (8km).
The months with the lowest visibility are November and December (6km).
Troy, Jamaica
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