December weather forecastLong Ground, Montserrat
December
Weather in December
December marks the end of the year with slightly cooler and drier conditions. Long Ground experiences the lowest temperatures of the year, plummeting to 25.9°C (78.6°F). 56mm (2.2") of rainfall is expected over the course of 24.4 days. The shorter daylight hours of 11.1 bring a pleasant chill in the air. Despite this, the constant wind speed maintains a comfortable warmth throughout Montserrat, making December one of the best times to visit.Temperature
As Long Ground welcomes December, the average high-temperature records at a still warm 27.1°C (80.8°F), marking an insignificant deviation from the prior month. Long Ground, in the month of December, notes an average low temperature of 25.9°C (78.6°F), indicating a small decrease from the daytime highs.Heat index
The average heat index in December is evaluated at a tropical 30°C (86°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
The average relative humidity in December in Long Ground is 76%.Rainfall
In Long Ground, during December, the rain falls for 24.4 days and regularly aggregates up to 56mm (2.2") of precipitation. Throughout the year, in Long Ground, there are 266.4 rainfall days, and 724mm (28.5") of precipitation is accumulated.Daylight
With an average of 11h and 12min of daylight, December has the shortest days of the year in Long Ground.On the first day of the month, sunrise is at 06:21 and sunset at 17:34. On the last day of December, sunrise is at 06:37 and sunset at 17:46 AST.
Sunshine
November and December, with an average of 6.7h of sunshine, are months with the least sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Long Ground are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 7 during December leads to these instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Long Ground, Montserrat
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is September (28.9°C).
The month with the lowest average high temperature is March (26.1°C).
- Average low temperature in December: 25.9°C
The month with the highest average low temperature is September (27.8°C).
The coldest month (with the lowest average low temperature) is February (24.9°C).
Average pressure in December
Long Ground, Montserrat
- Average pressure in December: 1014.7mbar
The months with the highest atmospheric pressure are January and June (1016mbar).
The months with the lowest atmospheric pressure are October and November (1012.4mbar).
Average wind speed in December
Long Ground, Montserrat
- Average wind speed in December: 24.9km/h
The windiest month (with the highest average wind speed) is July (27km/h).
The calmest month (with the lowest average wind speed) is October (19.8km/h).
Average humidity in December
Long Ground, Montserrat
- Average humidity in December: 76%
The months with the highest relative humidity are May, July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).
Average rainfall in December
Long Ground, Montserrat
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is October (101mm).
The driest months (with the least rainfall) are February and March (27mm).
Average rainfall days in December
Long Ground, Montserrat
- Average rainfall days in December: 24.4 days
The month with the highest number of rainy days is December (24.4 days).
The month with the least rainy days is March (18.7 days).
Average daylight in December /
Average sunshine in December
Long Ground, Montserrat
- Average daylight in December: 11h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in December: 6h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 42min).
Average sunshine days in December
Long Ground, Montserrat
- Average sunshine days in December: 2.8 days
The month with the most sunshine days is March (5.9 days).
The month with the least sunshine days is July (1.8 days).
Average UV index in December
Long Ground, Montserrat
- 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
Long Ground, Montserrat
- Average cloud cover in December: 37
The months with the most cloud cover are June and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 31).
Average visibility in December
Long Ground, Montserrat
- 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).





