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 snowfall in December
- Average snowfall 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
December
Weather in December
Temperature
December brings an average high-temperature of a still moderately hot 27.1°C (80.8°F), showing a slight difference from November's 27.9°C (82.2°F). Williamsfield marks an average drop to a still warm 24.2°C (75.6°F) during nighttime in December, following the high of the day.Heat index
In December, the average heat index is evaluated at a hot 30°C (86°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
May, June, November and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In December, the rain falls for 18.6 days. Throughout December, 48mm (1.89") of precipitation is accumulated. In Williamsfield, during the entire year, the rain falls for 220.4 days and collects up to 674mm (26.54") of precipitation.Snowfall
In Williamsfield, snow does not fall in January through August, October through December.Daylight
The month with the shortest days is December, with an average of 11h and 6min of daylight.On the first day of December, sunrise is at 06:25 and sunset at 17:32. On the last day of the month, sunrise is at 06:41 and sunset at 17:45 EST.
Sunshine
With an average of 6.4h of sunshine, December has the least sunshine of the year.UV index
April through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 7 during December leads to these instructions:
Ward off overexposure. Defence against solar harm is crucial. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Williamsfield in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December in Williamsfield?
When it does not snow?
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?
How many hours of sunshine does Williamsfield have in December?
What is the month with the highest UV index?
How high is the UV index in December?
Average temperature in December
Williamsfield, Jamaica
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The months with the lowest average high temperature are February and March (26.6°C).
- Average low temperature in December: 24.2°C
The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is March (23.1°C).
Average pressure in December
Williamsfield, Jamaica
- Average pressure in December: 1014.6mbar
The month with the highest atmospheric pressure is January (1015.7mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).
Average wind speed in December
Williamsfield, Jamaica
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is June (17.9km/h).
The calmest month (with the lowest average wind speed) is September (13.1km/h).
Average humidity in December
Williamsfield, Jamaica
- Average humidity in December: 79%
The months with the highest relative humidity are May, June, November and December (79%).
The month with the lowest relative humidity is March (77%).
Average rainfall in December
Williamsfield, Jamaica
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is September (99mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in December
Williamsfield, Jamaica
- Average rainfall days in December: 18.6 days
The month with the highest number of rainy days is October (23.9 days).
The month with the least rainy days is February (15 days).
Average snowfall in December
Williamsfield, Jamaica
- Average snowfall in December: 0mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in December
Williamsfield, Jamaica
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Williamsfield, 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 month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Williamsfield, Jamaica
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is January (9.6 days).
The month with the least sunshine days is September (3.3 days).
Average UV index in December
Williamsfield, Jamaica
- Average UV index in December: 7
The months with the highest UV index are April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February and March (UV index 6).
Average cloud cover in December
Williamsfield, Jamaica
- Average cloud cover in December: 33
The months with the most cloud cover are November and December (Cloud cover 33).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in December
Williamsfield, Jamaica
- 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).
