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 the transition from November to December, Constant Spring reports an average high-temperature of a still warm 27.8°C (82°F), indicating a close resemblance to the prior month. In Constant Spring, December's nights observe an average temperature dip to an agreeable 22.4°C (72.3°F).Heat index
December's average heat index is estimated at a hot 32°C (89.6°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In December, the average relative humidity is 81%.Rainfall
In Constant Spring, during December, the rain falls for 25.7 days and regularly aggregates up to 76mm (2.99") of precipitation. Throughout the year, there are 310.9 rainfall days, and 1286mm (50.63") of precipitation is accumulated.Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year in Constant Spring.On the first day of the month, sunrise is at 06:22 and sunset at 17:30. On the last day of December, in Constant Spring, sunrise is at 06:38 and sunset at 17:42 EST.
Sunshine
December has the least sunshine of the year in Constant Spring, with an average of 6.5h of sunshine.UV index
The months with the lowest UV index are January through May, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in December translates into these instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Constant Spring?
What is the average humidity in December in Constant Spring?
How many days does it rain in December in Constant Spring?
What is the month with the shortest days in Constant Spring?
How many hours of daylight does Constant Spring have in December?
When are sunrise and sunset in December in Constant Spring?
What is the month with the least sunshine in Constant Spring?
How many hours of sunshine does Constant Spring have in December?
What is the month with the lowest UV index in Constant Spring?
What is the UV index reading in December in Constant Spring?
Average temperature in December
Constant Spring, Jamaica
- Average high temperature in December: 27.8°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The months with the lowest average high temperature are January and February (27.3°C).
- Average low temperature in December: 22.4°C
The month with the highest average low temperature is July (24.3°C).
The coldest month (with the lowest average low temperature) is February (21.6°C).
Average pressure in December
Constant Spring, 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
Constant Spring, Jamaica
- Average wind speed in December: 10km/h
The windiest month (with the highest average wind speed) is June (12.8km/h).
The calmest month (with the lowest average wind speed) is November (8.6km/h).
Average humidity in December
Constant Spring, Jamaica
- Average humidity in December: 81%
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is March (78%).
Average rainfall in December
Constant Spring, Jamaica
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is October (184mm).
The driest month (with the least rainfall) is February (44mm).
Average rainfall days in December
Constant Spring, Jamaica
- Average rainfall days in December: 25.7 days
The month with the highest number of rainy days is October (28.7 days).
The month with the least rainy days is February (22.1 days).
Average daylight in December /
Average sunshine in December
Constant Spring, 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 3min
The months with the most sunshine are August and September (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Constant Spring, Jamaica
- Average sunshine days in December: 1.8 days
The month with the most sunshine days is January (3.4 days).
The month with the least sunshine days is August (0.3 days).
Average UV index in December
Constant Spring, Jamaica
- Average UV index in December: 6
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in December
Constant Spring, Jamaica
- Average cloud cover in December: 34
The month with the most cloud cover is June (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Constant Spring, Jamaica
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, July, November and December (10km).
The months with the lowest visibility are May, August, September and October (9km).
Constant Spring, Jamaica
Weather forecast for your location
2. Allow the app to use your location