December weather forecastMonchy, Saint Lucia
December
Weather in December
In December, there is a noticeable shift in Monchy’s weather. The heat subsides slightly, with the average high temperature dipping to 28.2°C (82.8°F). The consistent winds blowing over the city maintain a balancing act with the tropical heat. December sees a respectable amount of sunshine, despite its being the shortest day of the year. As the year comes to an end, this Caribbean charm called Monchy maintains its climate, promising that the new year will usher in the familiarity of warmth.Temperature
December is marked by an average high-temperature of a still warm 28.2°C (82.8°F), almost identical to the preceding month. Nighttime, during December, brings an average low of 25.7°C (78.3°F), a modest reduction from the day's peak.Heat index
The heat index value for December is estimated at a tropical 32°C (89.6°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In Monchy, the average relative humidity in December is 74%.Rainfall
In Monchy, in December, it is raining for 19.1 days, with typically 35mm (1.38") of accumulated precipitation. In Monchy, during the entire year, the rain falls for 255.2 days and collects up to 560mm (22.05") of precipitation.Daylight
December has the shortest days of the year, with an average of 11h and 18min of daylight.On the first day of December in Monchy, sunrise is at 06:12 and sunset at 17:33. On the last day of the month, sunrise is at 06:27 and sunset at 17:46 AST.
Sunshine
With an average of 6.4h of sunshine, December has the least sunshine of the year in Monchy.UV index
January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 7 in December leads to these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Monchy, Saint Lucia
- Average high temperature in December: 28.2°C
The warmest month (with the highest average high temperature) is September (30.3°C).
The months with the lowest average high temperature are January and February (27.5°C).
- Average low temperature in December: 25.7°C
The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).
Average pressure in December
Monchy, Saint Lucia
- Average pressure in December: 1013.4mbar
The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in December
Monchy, Saint Lucia
- Average wind speed in December: 22.5km/h
The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).
Average humidity in December
Monchy, Saint Lucia
- Average humidity in December: 74%
The months with the highest relative humidity are May, June, July, August and November (75%).
The months with the lowest relative humidity are January, February, March and September (73%).
Average rainfall in December
Monchy, Saint Lucia
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days in December
Monchy, Saint Lucia
- Average rainfall days in December: 19.1 days
The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).
Average daylight in December /
Average sunshine in December
Monchy, Saint Lucia
- Average daylight in December: 11h and 18min
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 18min).
- Average sunshine in December: 6h and 24min
The month with the most sunshine is April (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Monchy, Saint Lucia
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).
Average UV index in December
Monchy, Saint Lucia
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).
Average cloud cover in December
Monchy, Saint Lucia
- Average cloud cover in December: 43
The months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 38).
Average visibility in December
Monchy, Saint Lucia
- 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).





